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Fix Android map element options retention - #35634

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kubaflo merged 5 commits into
dotnet:inflight/currentfrom
AdamEssenmacher:issue-20502
May 28, 2026
Merged

Fix Android map element options retention#35634
kubaflo merged 5 commits into
dotnet:inflight/currentfrom
AdamEssenmacher:issue-20502

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Summary

  • Fix Android map element addition so temporary map element handlers/options are disconnected and disposed after Google Maps consumes the options.
  • Covers polyline, polygon, and circle add paths without changing public APIs.
  • Adds Android device tests for temporary-handler cleanup and post-add native updates.

Fixes #20502

Root Cause

Android MapHandler.AddPolyline/AddPolygon/AddCircle created temporary MapElementHandler instances to build Google Maps options, but left those handlers attached to the MAUI map elements after GoogleMap.Add* consumed the options. Large MapElements workloads could retain many temporary handlers/options and drive severe GREF pressure.

Validation

  • dotnet build Microsoft.Maui.BuildTasks.slnf
  • dotnet build src/Core/maps/src/Maps.csproj -f net10.0-android36.0
  • dotnet build src/Controls/tests/DeviceTests/Controls.DeviceTests.csproj -f net10.0-android -p:EmbedAssembliesIntoApk=true
  • Android focused map tests on Pixel 9 Pro XL API 36: 9 passed, 0 failed
  • Android clean full Controls.DeviceTests run on Pixel 9 Pro XL API 36: 962 run, 942 passed, 7 failed, 13 skipped. Remaining failures were unrelated existing/device-environment failures in Border/Shell/Label; MapElementOptionsLifecycleTests passed 7/7 inside the full run.
PureWeen and others added 5 commits May 21, 2026 16:04
<!-- Please let the below note in for people that find this PR -->
> [!NOTE]
> Are you waiting for the changes in this PR to be merged?
> It would be very helpful if you could [test the resulting
artifacts](https://github.com/dotnet/maui/wiki/Testing-PR-Builds) from
this PR and let us know in a comment if this change resolves your issue.
Thank you!

## What
Restrict the agentic-labeler to apply **exactly one `area-*` label** per
item, while still allowing multiple `platform/*` labels.

## Why
Backfilling the 26 items affected by the `max:1` bug (fixed in dotnet#35540)
revealed that the labeler occasionally applies multiple `area-*` labels
for ambiguous cases:

- **dotnet#35501** got both `area-layout` and `area-safearea`
- **dotnet#35490** got both `area-navigation` and `area-controls-tabbedpage`

The intended behavior is exactly one best-fit `area-*` per item (a
label-quota distinction not expressible via
`safe-outputs.add-labels.max:` — that field counts total labels, not
labels per prefix). The fix has to live in the agent's instructions.

## Changes

### `.github/skills/agentic-labeler/SKILL.md`
- Scope section: "Exactly one `area-*`" / "One or more `platform/*`".
- Area rules section: renamed heading, changed "pick one or more" →
"apply exactly one".
- New **tie-breaking heuristics** for the area-* selection:
- Specific control beats generic area (`area-controls-tabbedpage` over
`area-navigation`)
  - Sub-area beats parent area (`area-safearea` over `area-layout`)
  - Subject-matter focus beats incidental touch
  - When genuinely tied, prefer the user-visible feature
- Mixed-PR rule clarified: infra-primary PRs get only
`area-infrastructure` (no second product area).

### `.github/workflows/agentic-labeler.md`
- Added explicit reinforcement in the workflow prompt: "Apply exactly
one `area-*` label … and one or more `platform/*` labels".
- Fixed two stale `max: 1` comments left over from dotnet#35540 (the cap is
now `max: 10`).

### `.github/workflows/agentic-labeler.lock.yml`
- Regenerated via `gh aw compile`. Diff is frontmatter-hash + heredoc
rotations only — no semantic change to the compiled config.

## Validation
- Reviewed all 21 existing eval scenarios in `tests/eval.yaml` — none
assert multiple `area-*` labels, so no test updates needed.
- The `max: 10` cap in `safe-outputs` is preserved as a blast-radius
safeguard (one area + several platforms still fit comfortably).

## Follow-ups (not in this PR)
If accuracy of the "one area" rule drops below ~95% in eval runs,
consider adding a deterministic post-step that strips extra `area-*`
labels per a known precedence list (Option B from the design
discussion).

Co-authored-by: bot <bot@test>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
## Description

Extends the `maui-copilot` DevDiv pipeline (pipeline 27723) with a
3-stage architecture that runs real UI tests on platform-pool agents and
reports results directly in the AI summary PR comment.

### Pipeline Workflow

```
┌─────────────────────────────────────────────────────────┐
│  Stage 1: ReviewPR                                      │
│                                                         │
│  STEP 1: Branch Setup (checkout + cherry-pick PR)       │
│  STEP 2: Detect UI Test Categories                      │
│  STEP 3: Run Detected UI Tests (in-process, fast)       │
│  STEP 4: Regression Cross-Reference                     │
│  STEP 5: Gate — verify tests fail/pass before/after fix │
│  STEP 6: Code Review — deep analysis via Copilot agent  │
│                                                         │
│  Outputs → CopilotLogs artifact + detectedCategories    │
└──────────────────────┬──────────────────────────────────┘
                       │
┌──────────────────────▼──────────────────────────────────┐
│  Stage 2: RunDeepUITests (platform-pool agent)          │
│                                                         │
│  iOS: AcesShared Tahoe + iOS 26.4                       │
│  Android: ubuntu-22.04 + KVM + AVD                      │
│                                                         │
│  Runs BuildAndRunHostApp.ps1 per detected category      │
│  Outputs → drop-deep-uitests artifact (TRX + diffs)     │
└──────────────────────┬──────────────────────────────────┘
                       │
┌──────────────────────▼──────────────────────────────────┐
│  Stage 3: PostResults                                   │
│                                                         │
│  1. Download CopilotLogs (review content files)         │
│  2. Download drop-deep-uitests (TRX results)            │
│  3. Merge deep results into uitests/content.md          │
│  4. Post full AI Summary comment on PR                  │
│  5. Apply labels (s/agent-reviewed, etc.)               │
│                                                         │
│  One comment with everything — no patching needed       │
└─────────────────────────────────────────────────────────┘
```

### What's New

**Deep UI Test Execution (Stage 2)**
- Runs detected UI test categories on proper platform-pool agents (not
in-process on Linux)
- **iOS**: AcesShared Tahoe agents with iOS 26.4 simulator, iPhone 11
Pro (matching `ios-26` baselines from PR dotnet#35061)
- **Android**: ubuntu-22.04 with KVM, AVD boot with `-partition-size
2048`, `ignoreHiddenApiPolicyError` capability
- TRX results + snapshot-diff PNGs published as `drop-deep-uitests`
artifact

**Unified Comment Posting (Stage 3)**
- Comment posting and label application deferred to Stage 3 (after deep
tests complete)
- Single AI summary comment includes ALL results: code review + deep
test results
- Nested collapsible `<details>` for failed tests with full error +
stack trace
- Dynamic section title: `🧪 UI Tests — CollectionView, TabbedPage`
- Artifact download link for snapshot-diff PNGs

**Android Emulator Improvements**
- AVD boot step with proper partition size, ADB key pre-authorization,
boot wait
- `DEVICE_UDID` pass-through prevents double emulator boot
- Disk cleanup on hosted ubuntu agents (frees ~22GB)
- KVM enablement + `appium:ignoreHiddenApiPolicyError` for API 30

**iOS Simulator Improvements**
- Tahoe pool demand ensures macOS 26.x agents
- Explicit iOS 26.4 download via latest Xcode
- Auto-creates iPhone 11 Pro for baseline resolution match

### Validation

Tested across 30+ pipeline iterations on 6 PRs:

| PR | iOS | Android |
|---|---|---|
| 35358 (ViewBaseTests) | **112/112 ALL PASS** ✅ | **118/119 PASS** ✅ |
| 35359 (TabbedPage) | 44/50 (1 real failure) | 74/75 (1 real failure) |
| 35356 (CollectionView) | **415/417 PASS** ✅ | 593/619 (26 real
failures) |

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
…35589)

> [!NOTE]
> Are you waiting for the changes in this PR to be merged?
> It would be very helpful if you could [test the resulting
artifacts](https://github.com/dotnet/maui/wiki/Testing-PR-Builds) from
this PR and let us know in a comment if this change resolves your issue.
Thank you!

Backport of dotnet#35460 to `main`.

/cc @PureWeen

Co-authored-by: HarishKumarSF4517 <harish.kumar@syncfusion.com>
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🚀 Dogfood this PR with:

⚠️ WARNING: Do not do this without first carefully reviewing the code of this PR to satisfy yourself it is safe.

curl -fsSL https://raw.githubusercontent.com/dotnet/maui/main/eng/scripts/get-maui-pr.sh | bash -s -- 35634

Or

  • Run remotely in PowerShell:
iex "& { $(irm https://raw.githubusercontent.com/dotnet/maui/main/eng/scripts/get-maui-pr.ps1) } 35634"
@dotnet-policy-service dotnet-policy-service Bot added the community ✨ Community Contribution label May 27, 2026
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Hey there @@AdamEssenmacher! Thank you so much for your PR! Someone from the team will get assigned to your PR shortly and we'll get it reviewed.

@AdamEssenmacher
AdamEssenmacher marked this pull request as ready for review May 27, 2026 08:04
@kubaflo

kubaflo commented May 27, 2026

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/review -b feature/refactor-copilot-yml

@MauiBot MauiBot added s/agent-fix-pr-picked AI could not beat the PR fix - PR is the best among all candidates s/agent-reviewed PR was reviewed by AI agent workflow (full 4-phase review) labels May 27, 2026
@MauiBot

MauiBot commented May 27, 2026

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🤖 AI Summary

👋 @AdamEssenmacher — new AI review results are available. Please review the latest session below.

📊 Review Sessionf51bd19 · Fix Android map element options retention · 2026-05-27 16:52 UTC
🚦 Gate — Test Before & After Fix

Gate Result: ✅ PASSED

Platform: ANDROID · Base: main · Merge base: b0ea772f

Test Without Fix (expect FAIL) With Fix (expect PASS)
📱 MapElementOptionsLifecycleTests (PolylineHandlerIsNotRetainedAfterAdd, PolygonHandlerIsNotRetainedAfterAdd, CircleHandlerIsNotRetainedAfterAdd, MutatingPolylineAfterAddDoesNotKeepTemporaryHandler, MutatingPolylineAfterAddUpdatesNativePolyline, MutatingPolygonAfterAddUpdatesNativePolygon, MutatingCircleAfterAddUpdatesNativeCircle) Category=Map ✅ FAIL — 796s ✅ PASS — 247s
🔴 Without fix — 📱 MapElementOptionsLifecycleTests (PolylineHandlerIsNotRetainedAfterAdd, PolygonHandlerIsNotRetainedAfterAdd, CircleHandlerIsNotRetainedAfterAdd, MutatingPolylineAfterAddDoesNotKeepTemporaryHandler, MutatingPolylineAfterAddUpdatesNativePolyline, MutatingPolygonAfterAddUpdatesNativePolygon, MutatingCircleAfterAddUpdatesNativeCircle): FAIL ✅ · 796s

(truncated to last 15,000 chars)

7 05:06:01.956 15538 15801 I DOTNET  : 
      05-27 05:06:07.123 15538 15819 I DOTNET  :    Test name: PolygonHandlerIsNotRetainedAfterAdd
      05-27 05:06:07.123 15538 15819 I DOTNET  :    Exception messages: The temporary MapElementHandler should not remain attached after adding the element.
      05-27 05:06:07.123 15538 15819 I DOTNET  :    Exception stack traces:    at Microsoft.Maui.DeviceTests.AssertHelpers.AssertEventually(Func`1 assertion, Int32 timeout, Int32 interval, String message)
      05-27 05:06:07.123 15538 15819 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.AssertNoTemporaryHandlerAsync(MapElement mapElement)
      05-27 05:06:07.123 15538 15819 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.AddMapElementAndWaitForNativeIdAsync(MapElement mapElement)
      05-27 05:06:07.123 15538 15819 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.PolygonHandlerIsNotRetainedAfterAdd()
      05-27 05:06:07.123 15538 15819 I DOTNET  : --- End of stack trace from previous location ---
      05-27 05:06:07.123 15538 15819 I DOTNET  :    Execution time: 5.1664734
      05-27 05:06:07.123 15538 15819 I DOTNET  :    Test trait name: Category
      05-27 05:06:07.123 15538 15819 I DOTNET  :       value: Map
      05-27 05:06:07.123 15538 15819 I DOTNET  : 	[FAIL] PolygonHandlerIsNotRetainedAfterAdd
      05-27 05:06:07.123 15538 15819 I DOTNET  : 	[FAIL] PolygonHandlerIsNotRetainedAfterAdd   Test name: PolygonHandlerIsNotRetainedAfterAdd
      05-27 05:06:07.123 15538 15819 I DOTNET  :    Assembly:  [Microsoft.Maui.Controls.DeviceTests, Version=10.0.0.0, Culture=neutral, PublicKeyToken=null]
      05-27 05:06:07.123 15538 15819 I DOTNET  :    Exception messages: The temporary MapElementHandler should not remain attached after adding the element.   Exception stack traces:    at Microsoft.Maui.DeviceTests.AssertHelpers.AssertEventually(Func`1 assertion, Int32 timeout, Int32 interval, String message)
      05-27 05:06:07.123 15538 15819 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.AssertNoTemporaryHandlerAsync(MapElement mapElement)
      05-27 05:06:07.123 15538 15819 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.AddMapElementAndWaitForNativeIdAsync(MapElement mapElement)
      05-27 05:06:07.123 15538 15819 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.PolygonHandlerIsNotRetainedAfterAdd()
      05-27 05:06:07.123 15538 15819 I DOTNET  : --- End of stack trace from previous location ---
      05-27 05:06:07.123 15538 15819 I DOTNET  :    Execution time: 5.1664734
      05-27 05:06:07.123 15538 15819 I DOTNET  :    Test trait name: Category
      05-27 05:06:07.123 15538 15819 I DOTNET  :       value: Map
      05-27 05:06:07.123 15538 15819 I DOTNET  : 
      05-27 05:06:07.124 15538 15819 I DOTNET  : Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests 36.7232608 ms
      05-27 05:06:07.133 15538 15565 I DOTNET  : Failed tests:
      05-27 05:06:07.133 15538 15565 I DOTNET  : 1) 	[FAIL] CircleHandlerIsNotRetainedAfterAdd   Test name: CircleHandlerIsNotRetainedAfterAdd
      05-27 05:06:07.133 15538 15565 I DOTNET  :    Assembly:  [Microsoft.Maui.Controls.DeviceTests, Version=10.0.0.0, Culture=neutral, PublicKeyToken=null]
      05-27 05:06:07.133 15538 15565 I DOTNET  :    Exception messages: The temporary MapElementHandler should not remain attached after adding the element.   Exception stack traces:    at Microsoft.Maui.DeviceTests.AssertHelpers.AssertEventually(Func`1 assertion, Int32 timeout, Int32 interval, String message)
      05-27 05:06:07.133 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.AssertNoTemporaryHandlerAsync(MapElement mapElement)
      05-27 05:06:07.133 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.AddMapElementAndWaitForNativeIdAsync(MapElement mapElement)
      05-27 05:06:07.133 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.CircleHandlerIsNotRetainedAfterAdd()
      05-27 05:06:07.133 15538 15565 I DOTNET  : --- End of stack trace from previous location ---
      05-27 05:06:07.133 15538 15565 I DOTNET  :    Execution time: 5.6378647
      05-27 05:06:07.133 15538 15565 I DOTNET  :    Test trait name: Category
      05-27 05:06:07.133 15538 15565 I DOTNET  :       value: Map
      05-27 05:06:07.133 15538 15565 I DOTNET  : 
      05-27 05:06:07.133 15538 15565 I DOTNET  : 2) 	[FAIL] MutatingPolylineAfterAddDoesNotKeepTemporaryHandler   Test name: MutatingPolylineAfterAddDoesNotKeepTemporaryHandler
      05-27 05:06:07.133 15538 15565 I DOTNET  :    Assembly:  [Microsoft.Maui.Controls.DeviceTests, Version=10.0.0.0, Culture=neutral, PublicKeyToken=null]
      05-27 05:06:07.133 15538 15565 I DOTNET  :    Exception messages: The temporary MapElementHandler should not remain attached after adding the element.   Exception stack traces:    at Microsoft.Maui.DeviceTests.AssertHelpers.AssertEventually(Func`1 assertion, Int32 timeout, Int32 interval, String message)
      05-27 05:06:07.133 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.AssertNoTemporaryHandlerAsync(MapElement mapElement)
      05-27 05:06:07.133 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.AddMapElementAndWaitForNativeIdAsync(MapElement mapElement)
      05-27 05:06:07.133 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.MutatingPolylineAfterAddDoesNotKeepTemporaryHandler()
      05-27 05:06:07.133 15538 15565 I DOTNET  : --- End of stack trace from previous location ---
      05-27 05:06:07.133 15538 15565 I DOTNET  :    Execution time: 5.1849741
      05-27 05:06:07.133 15538 15565 I DOTNET  :    Test trait name: Category
      05-27 05:06:07.133 15538 15565 I DOTNET  :       value: Map
      05-27 05:06:07.133 15538 15565 I DOTNET  : 
      05-27 05:06:07.133 15538 15565 I DOTNET  : 3) 	[FAIL] MutatingPolygonAfterAddUpdatesNativePolygon   Test name: MutatingPolygonAfterAddUpdatesNativePolygon
      05-27 05:06:07.133 15538 15565 I DOTNET  :    Assembly:  [Microsoft.Maui.Controls.DeviceTests, Version=10.0.0.0, Culture=neutral, PublicKeyToken=null]
      05-27 05:06:07.133 15538 15565 I DOTNET  :    Exception messages: The temporary MapElementHandler should not remain attached after adding the element.   Exception stack traces:    at Microsoft.Maui.DeviceTests.AssertHelpers.AssertEventually(Func`1 assertion, Int32 timeout, Int32 interval, String message)
      05-27 05:06:07.133 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.AssertNoTemporaryHandlerAsync(MapElement mapElement)
      05-27 05:06:07.133 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.AddMapElementAndWaitForNativeIdAsync(MapElement mapElement)
      05-27 05:06:07.133 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.MutatingPolygonAfterAddUpdatesNativePolygon()
      05-27 05:06:07.133 15538 15565 I DOTNET  : --- End of stack trace from previous location ---
      05-27 05:06:07.133 15538 15565 I DOTNET  :    Execution time: 5.170327
      05-27 05:06:07.133 15538 15565 I DOTNET  :    Test trait name: Category
      05-27 05:06:07.133 15538 15565 I DOTNET  :       value: Map
      05-27 05:06:07.133 15538 15565 I DOTNET  : 
      05-27 05:06:07.133 15538 15565 I DOTNET  : 4) 	[FAIL] MutatingCircleAfterAddUpdatesNativeCircle   Test name: MutatingCircleAfterAddUpdatesNativeCircle
      05-27 05:06:07.133 15538 15565 I DOTNET  :    Assembly:  [Microsoft.Maui.Controls.DeviceTests, Version=10.0.0.0, Culture=neutral, PublicKeyToken=null]
      05-27 05:06:07.133 15538 15565 I DOTNET  :    Exception messages: The temporary MapElementHandler should not remain attached after adding the element.   Exception stack traces:    at Microsoft.Maui.DeviceTests.AssertHelpers.AssertEventually(Func`1 assertion, Int32 timeout, Int32 interval, String message)
      05-27 05:06:07.133 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.AssertNoTemporaryHandlerAsync(MapElement mapElement)
      05-27 05:06:07.133 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.AddMapElementAndWaitForNativeIdAsync(MapElement mapElement)
      05-27 05:06:07.134 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.MutatingCircleAfterAddUpdatesNativeCircle()
      05-27 05:06:07.134 15538 15565 I DOTNET  : --- End of stack trace from previous location ---
      05-27 05:06:07.134 15538 15565 I DOTNET  :    Execution time: 5.1865423
      05-27 05:06:07.134 15538 15565 I DOTNET  :    Test trait name: Category
      05-27 05:06:07.134 15538 15565 I DOTNET  :       value: Map
      05-27 05:06:07.134 15538 15565 I DOTNET  : 
      05-27 05:06:07.134 15538 15565 I DOTNET  : 5) 	[FAIL] PolylineHandlerIsNotRetainedAfterAdd   Test name: PolylineHandlerIsNotRetainedAfterAdd
      05-27 05:06:07.134 15538 15565 I DOTNET  :    Assembly:  [Microsoft.Maui.Controls.DeviceTests, Version=10.0.0.0, Culture=neutral, PublicKeyToken=null]
      05-27 05:06:07.134 15538 15565 I DOTNET  :    Exception messages: The temporary MapElementHandler should not remain attached after adding the element.   Exception stack traces:    at Microsoft.Maui.DeviceTests.AssertHelpers.AssertEventually(Func`1 assertion, Int32 timeout, Int32 interval, String message)
      05-27 05:06:07.134 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.AssertNoTemporaryHandlerAsync(MapElement mapElement)
      05-27 05:06:07.134 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.AddMapElementAndWaitForNativeIdAsync(MapElement mapElement)
      05-27 05:06:07.134 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.PolylineHandlerIsNotRetainedAfterAdd()
      05-27 05:06:07.134 15538 15565 I DOTNET  : --- End of stack trace from previous location ---
      05-27 05:06:07.134 15538 15565 I DOTNET  :    Execution time: 5.1908128
      05-27 05:06:07.134 15538 15565 I DOTNET  :    Test trait name: Category
      05-27 05:06:07.134 15538 15565 I DOTNET  :       value: Map
      05-27 05:06:07.134 15538 15565 I DOTNET  : 
      05-27 05:06:07.134 15538 15565 I DOTNET  : 6) 	[FAIL] MutatingPolylineAfterAddUpdatesNativePolyline   Test name: MutatingPolylineAfterAddUpdatesNativePolyline
      05-27 05:06:07.134 15538 15565 I DOTNET  :    Assembly:  [Microsoft.Maui.Controls.DeviceTests, Version=10.0.0.0, Culture=neutral, PublicKeyToken=null]
      05-27 05:06:07.134 15538 15565 I DOTNET  :    Exception messages: The temporary MapElementHandler should not remain attached after adding the element.   Exception stack traces:    at Microsoft.Maui.DeviceTests.AssertHelpers.AssertEventually(Func`1 assertion, Int32 timeout, Int32 interval, String message)
      05-27 05:06:07.134 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.AssertNoTemporaryHandlerAsync(MapElement mapElement)
      05-27 05:06:07.134 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.AddMapElementAndWaitForNativeIdAsync(MapElement mapElement)
      05-27 05:06:07.134 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.MutatingPolylineAfterAddUpdatesNativePolyline()
      05-27 05:06:07.134 15538 15565 I DOTNET  : --- End of stack trace from previous location ---
      05-27 05:06:07.134 15538 15565 I DOTNET  :    Execution time: 5.1862665
      05-27 05:06:07.134 15538 15565 I DOTNET  :    Test trait name: Category
      05-27 05:06:07.134 15538 15565 I DOTNET  :       value: Map
      05-27 05:06:07.134 15538 15565 I DOTNET  : 
      05-27 05:06:07.134 15538 15565 I DOTNET  : 7) 	[FAIL] PolygonHandlerIsNotRetainedAfterAdd   Test name: PolygonHandlerIsNotRetainedAfterAdd
      05-27 05:06:07.134 15538 15565 I DOTNET  :    Assembly:  [Microsoft.Maui.Controls.DeviceTests, Version=10.0.0.0, Culture=neutral, PublicKeyToken=null]
      05-27 05:06:07.134 15538 15565 I DOTNET  :    Exception messages: The temporary MapElementHandler should not remain attached after adding the element.   Exception stack traces:    at Microsoft.Maui.DeviceTests.AssertHelpers.AssertEventually(Func`1 assertion, Int32 timeout, Int32 interval, String message)
      05-27 05:06:07.134 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.AssertNoTemporaryHandlerAsync(MapElement mapElement)
      05-27 05:06:07.134 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.AddMapElementAndWaitForNativeIdAsync(MapElement mapElement)
      05-27 05:06:07.134 15538 15565 I DOTNET  :    at Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests.PolygonHandlerIsNotRetainedAfterAdd()
      05-27 05:06:07.134 15538 15565 I DOTNET  : --- End of stack trace from previous location ---
      05-27 05:06:07.134 15538 15565 I DOTNET  :    Execution time: 5.1664734
      05-27 05:06:07.134 15538 15565 I DOTNET  :    Test trait name: Category
      05-27 05:06:07.134 15538 15565 I DOTNET  :       value: Map
      05-27 05:06:07.134 15538 15565 I DOTNET  : 
      05-27 05:06:07.155 15538 15565 I DOTNET  : Xml file was written to the provided writer.
      05-27 05:06:07.156 15538 15565 I DOTNET  : Tests run: 566 Passed: 2 Inconclusive: 0 Failed: 7 Ignored: 557
�[41m�[30mfail�[39m�[22m�[49m: Non-success instrumentation exit code: 1, expected: 0
�[40m�[32minfo�[39m�[22m�[49m: <<XHARNESS_RESULT_START>>
      {
        "version": 1,
        "machineName": "runnervmfuwn7",
        "exitCode": 1,
        "exitCodeName": "TESTS_FAILED",
        "platform": "android",
        "instrumentationExitCode": 1,
        "device": "emulator-5554",
        "deviceOsVersion": "API 30",
        "architecture": "x86_64",
        "files": [
          {
            "name": "testResults.xml",
            "type": "test-results"
          },
          {
            "name": "adb-logcat-com.microsoft.maui.controls.devicetests-default.log",
            "type": "logcat"
          }
        ]
      }
      <<XHARNESS_RESULT_END>>
�[40m�[32minfo�[39m�[22m�[49m: Attempting to remove apk 'com.microsoft.maui.controls.devicetests'..
�[40m�[37mdbug�[39m�[22m�[49m: Executing command: '/home/vsts/.nuget/packages/microsoft.dotnet.xharness.cli/11.0.0-prerelease.26230.4/runtimes/any/native/adb/linux/adb -s emulator-5554 uninstall com.microsoft.maui.controls.devicetests'
�[40m�[32minfo�[39m�[22m�[49m: Successfully uninstalled com.microsoft.maui.controls.devicetests
XHarness exit code: 1 (TESTS_FAILED)
  Tests completed with exit code: 1

🟢 With fix — 📱 MapElementOptionsLifecycleTests (PolylineHandlerIsNotRetainedAfterAdd, PolygonHandlerIsNotRetainedAfterAdd, CircleHandlerIsNotRetainedAfterAdd, MutatingPolylineAfterAddDoesNotKeepTemporaryHandler, MutatingPolylineAfterAddUpdatesNativePolyline, MutatingPolygonAfterAddUpdatesNativePolygon, MutatingCircleAfterAddUpdatesNativeCircle): PASS ✅ · 247s

(truncated to last 15,000 chars)

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      05-27 05:10:16.786 16345 16372 I DOTNET  : [Test environment: 64-bit .NET .NET 10.0 [collection-per-class, non-parallel]]
      05-27 05:10:16.786 16345 16372 I DOTNET  : [Test framework: xUnit.net 2.9.0.0]
      05-27 05:10:16.804 16345 16372 I DOTNET  : Test collection for Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests
      05-27 05:10:17.513 16345 16435 I DOTNET  : 	[PASS] CircleHandlerIsNotRetainedAfterAdd
      05-27 05:10:17.644 16345 16452 I DOTNET  : 	[PASS] MutatingPolylineAfterAddDoesNotKeepTemporaryHandler
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      05-27 05:10:17.864 16345 16523 I DOTNET  : 	[PASS] PolygonHandlerIsNotRetainedAfterAdd
      05-27 05:10:17.872 16345 16523 I DOTNET  : Microsoft.Maui.DeviceTests.MapElementOptionsLifecycleTests 0.9163866 ms
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      05-27 05:10:18.079 16345 16529 I DOTNET  : Microsoft.Maui.DeviceTests.AlertDialogTests 0.2004998 ms
      05-27 05:10:18.309 16345 16372 I DOTNET  : Xml file was written to the provided writer.
      05-27 05:10:18.309 16345 16372 I DOTNET  : Tests run: 566 Passed: 9 Inconclusive: 0 Failed: 0 Ignored: 557
�[40m�[32minfo�[39m�[22m�[49m: <<XHARNESS_RESULT_START>>
      {
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      <<XHARNESS_RESULT_END>>
�[40m�[32minfo�[39m�[22m�[49m: Attempting to remove apk 'com.microsoft.maui.controls.devicetests'..
�[40m�[37mdbug�[39m�[22m�[49m: Executing command: '/home/vsts/.nuget/packages/microsoft.dotnet.xharness.cli/11.0.0-prerelease.26230.4/runtimes/any/native/adb/linux/adb -s emulator-5554 uninstall com.microsoft.maui.controls.devicetests'
�[40m�[32minfo�[39m�[22m�[49m: Successfully uninstalled com.microsoft.maui.controls.devicetests
XHarness exit code: 0
  Tests completed successfully

📁 Fix files reverted (2 files)
  • eng/pipelines/ci-copilot.yml
  • src/Core/maps/src/Handlers/Map/MapHandler.Android.cs

New files (not reverted):

  • src/Core/maps/src/Handlers/Map/MapElementPlatformOptions.Android.cs

🧪 UI Tests

Full UI test matrix will run (no specific categories detected from PR changes).


🔍 Regression Cross-Reference

🔍 Regression Cross-Reference

🟢 No regression risks detected. No labeled bug-fix PRs in the last 6 months touched the modified files.


🔍 Pre-Flight — Context & Validation

Issue: #20502 - [Regression] [Android] [Maps] Map locks up after rendering 50 Polylines
PR: #35634 - Fix Android map element options retention
Platforms Affected: Android
Files Changed: 2 implementation, 2 test/config

Key Findings

  • Issue reproduces on Android maps with many Polyline/Polygon map elements and severe GREF pressure; issue discussion confirmed native Google Maps API usage avoids the lockup.
  • PR changes Android map element add paths for Polyline, Polygon, and Circle so temporary handlers/options are cleaned up after Google Maps consumes options.
  • No inline review comments were present on the PR; PR comments are bot/dogfood and review-trigger comments only.
  • Test type is Android device tests ([Category(TestCategory.Map)]) plus Android manifest test configuration.
  • Impacted UI/device category: Map.

Code Review Summary

Verdict: LGTM
Confidence: high
Errors: 0 | Warnings: 1 | Suggestions: 2

Key code review findings:

  • ⚠️ src/Core/maps/src/Handlers/Map/MapHandler.Android.cs: exception messages for polygon/circle now check native return values but still say options are null.
  • 💡 src/Core/maps/src/Handlers/Map/MapHandler.Android.cs: AddPins appears to have the same temporary-handler retention pattern, but is outside this PR's map-element scope.
  • 💡 src/Controls/tests/DeviceTests/Elements/Map/MapElementOptionsLifecycleTests.Android.cs: shared AreClose tolerance is used for coordinates, widths, and radii.

Fix Candidates

# Source Approach Test Result Files Changed Notes
PR PR #35634 Create a helper that creates a temporary map element handler, invokes Google Maps Add* with the generated options, then disconnects the handler and disposes options in finally. ✅ PASSED (Gate) MapHandler.Android.cs, MapElementPlatformOptions.Android.cs, Android device tests, manifest Original PR

🔬 Code Review — Deep Analysis

Code Review — PR #35634

Independent Assessment

What this changes: Introduces MapElementPlatformOptions.InvokeWithOptions<TOptions, TResult> — a helper that creates a temporary handler for a map element, extracts the platform options, calls a callback with them, and then unconditionally disconnects the handler + disposes the options in a finally block. Refactors AddPolyline, AddPolygon, and AddCircle to use this helper. Adds device tests for handler lifecycle and native-object mutation.

Inferred motivation: The old code called mapElement.ToHandler(MauiContext) to get PolylineOptions/PolygonOptions/CircleOptions, but never called DisconnectHandler() or disposed those objects after the Google Maps AddXxx() consumed them. With large collections (hundreds of polylines with thousands of points) this left many JNI-pinned Java objects alive, exhausting the Android GREF quota and causing the GC spiral described in the issue.


Reconciliation with PR Narrative

Author claims: Handler/options are disconnected and disposed after Google Maps consumes them; covers all three element types; no public API change; device tests added.

Agreement: Code and claims match exactly. The finally block in InvokeWithOptions guarantees cleanup even if the callback throws.


Findings

⚠️ Warning — Error messages are now semantically incorrect after refactor

File: src/Core/maps/src/Handlers/Map/MapHandler.Android.cs, lines 647 and 672

Before this PR, the checks were on PolygonOptions/CircleOptions, so the exception messages were accurate. After the refactor, the checks are on the native return values from map.AddPolygon(options) and map.AddCircle(options), not on the options objects. If the exception ever fires, the current messages ("PolygonOptions is null", "CircleOptions is null") would misdirect debugging.

💡 Suggestion — AddPins has the identical handler-leak pattern, now left unaddressed

File: src/Core/maps/src/Handlers/Map/MapHandler.Android.cs, line 461

pin.ToHandler(MauiContext) creates a temporary pin handler and MarkerOptions, then Map.AddMarker(iMapPinHandler.PlatformView) consumes the options, but the temporary handler is not disconnected. This is outside the stated map-element scope, but likely deserves a follow-up.

💡 Suggestion — AreClose in the test mixes coordinate tolerance with width/radius tolerance

File: src/Controls/tests/DeviceTests/Elements/Map/MapElementOptionsLifecycleTests.Android.cs, line 224

A single 0.0001 tolerance is used for lat/lng values, stroke widths, and radius values. It works for these exact assertions but may be less clear for future edits.


Devil's Advocate

The misleading exception text is not a correctness blocker because the null path is practically unreachable unless handler registration is broken, and CI/build failures would catch many such cases. Disposing options after map.AddPolyline/AddPolygon/AddCircle should be safe because Google Maps copies the options into native map objects before returning; the returned native objects remain alive and are tracked separately.


Verdict: LGTM

Confidence: high
Summary: The fix directly addresses the Android GREF retention root cause by disconnecting temporary map-element handlers and disposing consumed options for polyline, polygon, and circle add paths. Tests cover handler cleanup and post-add native updates. The only warning is misleading exception text introduced by the refactor, which is easy to improve but not blocking.


🔧 Fix — Analysis & Comparison

Fix Candidates

# Source Approach Test Result Files Changed Notes
1 try-fix Build Google Maps options without calling ToHandler() by using a lightweight internal IMapElementHandler adapter and existing static MapElementHandler mapping methods. ✅ PASS 2 files Stronger temporary-handler lifetime guarantee because mapElement.Handler is never set, but not better than PR because it bypasses MapElementHandler.Mapper customizations.
2 try-fix Move initial Android option construction into MapHandler.Android.cs private factories that mirror existing post-add native update logic, with immediate option disposal after GoogleMap.Add*. ✅ PASS 2 files Simpler/no handler path, but duplicates mapping logic and bypasses MapElementHandler.Mapper; not better than PR.
PR PR #35634 Create MapElementPlatformOptions.InvokeWithOptions, call ToHandler() so DI/mapper pipeline runs, invoke Google Maps Add*, then disconnect the temporary handler and dispose options in finally. ✅ PASSED (Gate) 4 files Original PR; preserves mapper extensibility while fixing retained temporary handlers/options.

Cross-Pollination

Model Round New Ideas? Details
maui-expert-reviewer 1 Yes Candidate 1: lightweight handler adapter that avoids ToHandler() and uses existing static mapper methods.
maui-expert-reviewer 2 Yes Candidate 2: MapHandler-owned option factories aligned with post-add update paths.
maui-expert-reviewer 3 No No viable third structural candidate. Any approach preserving mapper extensibility reduces to create handler -> run mapper -> extract options -> Add* -> dispose options, which is the PR fix. Retained-handler/platform-view-swap redesign is much larger and worse for this bug.

Exhausted: Yes
Selected Fix: PR #35634 — It is the best tradeoff. Both passing alternatives avoid temporary real handlers entirely, but they do so by bypassing the MapElementHandler.Mapper customization pipeline and/or duplicating mapping logic. The PR fix passes the gate, preserves DI/mapper extensibility, and bounds temporary handler/options lifetime with finally cleanup.

--- attempt 1 ---

try-fix-1 — Build options without temporary handlers

Approach: Add internal Android MapElementHandler.Build*Options methods that create PolylineOptions, PolygonOptions, and CircleOptions directly through a lightweight IMapElementHandler adapter, then update MapHandler.AddPolyline/AddPolygon/AddCircle to call Google Maps with those options inside a using scope.

Different from PR fix: PR #35634 still creates a temporary real handler through ToHandler() and then disconnects/disposes it. This candidate never calls ToHandler() for initial add, so mapElement.Handler is never assigned.

Diff: See CustomAgentLogsTmp/PRState/35634/PRAgent/try-fix/attempt-1/fix.diff.

Test results: ✅ PASS — pwsh .github/skills/run-device-tests/scripts/Run-DeviceTests.ps1 -Project Controls -Platform android -TestFilter "Category=Map" completed successfully. XHarness: Tests run: 9 Passed: 9 Inconclusive: 0 Failed: 0 Ignored: 0; MapElementOptionsLifecycleTests passed 7/7.

Failure analysis: Not failed. However, expert/self-review found a major design risk: direct static mapper calls bypass MapElementHandler.Mapper customizations, unlike the PR fix. Because of that extensibility regression, this candidate passes tests but is not demonstrably better than the PR's fix.

--- attempt 2 ---

try-fix-2 — MapHandler-owned option factories

Approach: Remove the PR helper and add private CreatePolylineOptions, CreatePolygonOptions, and CreateCircleOptions factories in MapHandler.Android.cs. The add paths build options directly from element interfaces and dispose them after GoogleMap.Add* returns.

Different from PR fix and try-fix-1: PR #35634 creates/cleans real temporary handlers. try-fix-1 used a lightweight handler adapter and static mapper methods. This candidate uses no map element handler/adapter at all and aligns initial add with the existing PolylineOnPropertyChanged/PolygonOnPropertyChanged/CircleOnPropertyChanged native update code.

Diff: See CustomAgentLogsTmp/PRState/35634/PRAgent/try-fix/attempt-2/fix.diff.

Test results: ✅ PASS — pwsh .github/skills/run-device-tests/scripts/Run-DeviceTests.ps1 -Project Controls -Platform android -TestFilter "Category=Map" completed successfully. XHarness: Tests run: 9 Passed: 9 Inconclusive: 0 Failed: 0 Ignored: 0; MapElementOptionsLifecycleTests passed 7/7.

Failure analysis: Not failed. Self-review found a major design risk: initial option construction no longer runs MapElementHandler.Mapper, so custom mapper extensions that the PR fix preserves would be skipped. It also duplicates map-element mapping logic in MapHandler. This candidate passes tests but is not demonstrably better than the PR fix.


📋 Report — Final Recommendation

Comparative Fix Report — PR #35634

Inputs

Candidate comparison

Rank Candidate Regression result Assessment
1 pr PASS Best tradeoff. It fixes the retained temporary map-element handler/options lifetime while preserving the normal MapElementHandler.Mapper customization and DI pipeline. Cleanup is guaranteed with finally, and tests cover polyline, polygon, and circle handler detachment plus post-add native updates.
2 pr-plus-reviewer PASS Equivalent to pr because the expert reviewer produced no actionable inline findings or required sandbox patch. The only note was a non-blocking diagnostic-message wording cleanup for polygon/circle null exceptions.
3 try-fix-1 PASS Avoids assigning mapElement.Handler by building options with a lightweight internal adapter and static mapper methods. This passes tests and strongly avoids the temporary-handler retention pattern, but it bypasses MapElementHandler.Mapper customizations that the PR preserves.
4 try-fix-2 PASS Builds options directly in MapHandler factories and disposes them after GoogleMap.Add*. This passes tests and is simple, but duplicates mapping logic and also bypasses MapElementHandler.Mapper, making it a larger extensibility regression risk than the PR.

Winning candidate

Winner: pr

The submitted PR fix is the strongest candidate because it addresses the measured Android lifetime bug while retaining the existing handler/mapper extensibility contract. The two STEP 6a alternatives also pass regression tests, but both trade away mapper customization behavior or duplicate mapping logic, so they are lower-quality fixes despite passing. pr-plus-reviewer is not ranked above pr because the expert reviewer found no actionable patch to apply.

Notes

  • No candidate failed regression tests, so ranking is based on correctness, extensibility preservation, implementation risk, and maintainability.
  • The AddPins temporary-handler pattern remains a plausible follow-up area, but it is outside this PR's map-element scope and was not needed to resolve the gated regression.

@kubaflo
kubaflo changed the base branch from main to inflight/current May 28, 2026 08:46
@kubaflo
kubaflo merged commit 6706ac2 into dotnet:inflight/current May 28, 2026
8 of 9 checks passed
@github-actions github-actions Bot added this to the .NET 10.0 SR8 milestone May 28, 2026
@AdamEssenmacher
AdamEssenmacher deleted the issue-20502 branch May 31, 2026 09:31
PureWeen pushed a commit that referenced this pull request Jun 2, 2026
## Summary
- Fix Android map element addition so temporary map element
handlers/options are disconnected and disposed after Google Maps
consumes the options.
- Covers polyline, polygon, and circle add paths without changing public
APIs.
- Adds Android device tests for temporary-handler cleanup and post-add
native updates.

Fixes #20502

## Root Cause
Android MapHandler.AddPolyline/AddPolygon/AddCircle created temporary
MapElementHandler instances to build Google Maps options, but left those
handlers attached to the MAUI map elements after GoogleMap.Add* consumed
the options. Large MapElements workloads could retain many temporary
handlers/options and drive severe GREF pressure.

## Validation
- dotnet build Microsoft.Maui.BuildTasks.slnf
- dotnet build src/Core/maps/src/Maps.csproj -f net10.0-android36.0
- dotnet build
src/Controls/tests/DeviceTests/Controls.DeviceTests.csproj -f
net10.0-android -p:EmbedAssembliesIntoApk=true
- Android focused map tests on Pixel 9 Pro XL API 36: 9 passed, 0 failed
- Android clean full Controls.DeviceTests run on Pixel 9 Pro XL API 36:
962 run, 942 passed, 7 failed, 13 skipped. Remaining failures were
unrelated existing/device-environment failures in Border/Shell/Label;
MapElementOptionsLifecycleTests passed 7/7 inside the full run.

---------
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: Jakub Florkowski <42434498+kubaflo@users.noreply.github.com>
PureWeen pushed a commit that referenced this pull request Jun 11, 2026
## Summary
- Fix Android map element addition so temporary map element
handlers/options are disconnected and disposed after Google Maps
consumes the options.
- Covers polyline, polygon, and circle add paths without changing public
APIs.
- Adds Android device tests for temporary-handler cleanup and post-add
native updates.

Fixes #20502

## Root Cause
Android MapHandler.AddPolyline/AddPolygon/AddCircle created temporary
MapElementHandler instances to build Google Maps options, but left those
handlers attached to the MAUI map elements after GoogleMap.Add* consumed
the options. Large MapElements workloads could retain many temporary
handlers/options and drive severe GREF pressure.

## Validation
- dotnet build Microsoft.Maui.BuildTasks.slnf
- dotnet build src/Core/maps/src/Maps.csproj -f net10.0-android36.0
- dotnet build
src/Controls/tests/DeviceTests/Controls.DeviceTests.csproj -f
net10.0-android -p:EmbedAssembliesIntoApk=true
- Android focused map tests on Pixel 9 Pro XL API 36: 9 passed, 0 failed
- Android clean full Controls.DeviceTests run on Pixel 9 Pro XL API 36:
962 run, 942 passed, 7 failed, 13 skipped. Remaining failures were
unrelated existing/device-environment failures in Border/Shell/Label;
MapElementOptionsLifecycleTests passed 7/7 inside the full run.

---------
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: Jakub Florkowski <42434498+kubaflo@users.noreply.github.com>
@sheiksyedm sheiksyedm modified the milestones: .NET 10 SR8, .NET 10 SR9 Jun 18, 2026
PureWeen pushed a commit that referenced this pull request Jun 22, 2026
## Summary
- Fix Android map element addition so temporary map element
handlers/options are disconnected and disposed after Google Maps
consumes the options.
- Covers polyline, polygon, and circle add paths without changing public
APIs.
- Adds Android device tests for temporary-handler cleanup and post-add
native updates.

Fixes #20502

## Root Cause
Android MapHandler.AddPolyline/AddPolygon/AddCircle created temporary
MapElementHandler instances to build Google Maps options, but left those
handlers attached to the MAUI map elements after GoogleMap.Add* consumed
the options. Large MapElements workloads could retain many temporary
handlers/options and drive severe GREF pressure.

## Validation
- dotnet build Microsoft.Maui.BuildTasks.slnf
- dotnet build src/Core/maps/src/Maps.csproj -f net10.0-android36.0
- dotnet build
src/Controls/tests/DeviceTests/Controls.DeviceTests.csproj -f
net10.0-android -p:EmbedAssembliesIntoApk=true
- Android focused map tests on Pixel 9 Pro XL API 36: 9 passed, 0 failed
- Android clean full Controls.DeviceTests run on Pixel 9 Pro XL API 36:
962 run, 942 passed, 7 failed, 13 skipped. Remaining failures were
unrelated existing/device-environment failures in Border/Shell/Label;
MapElementOptionsLifecycleTests passed 7/7 inside the full run.

---------
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: Jakub Florkowski <42434498+kubaflo@users.noreply.github.com>
kubaflo added a commit that referenced this pull request Jun 25, 2026
## Summary
- Fix Android map element addition so temporary map element
handlers/options are disconnected and disposed after Google Maps
consumes the options.
- Covers polyline, polygon, and circle add paths without changing public
APIs.
- Adds Android device tests for temporary-handler cleanup and post-add
native updates.

Fixes #20502

## Root Cause
Android MapHandler.AddPolyline/AddPolygon/AddCircle created temporary
MapElementHandler instances to build Google Maps options, but left those
handlers attached to the MAUI map elements after GoogleMap.Add* consumed
the options. Large MapElements workloads could retain many temporary
handlers/options and drive severe GREF pressure.

## Validation
- dotnet build Microsoft.Maui.BuildTasks.slnf
- dotnet build src/Core/maps/src/Maps.csproj -f net10.0-android36.0
- dotnet build
src/Controls/tests/DeviceTests/Controls.DeviceTests.csproj -f
net10.0-android -p:EmbedAssembliesIntoApk=true
- Android focused map tests on Pixel 9 Pro XL API 36: 9 passed, 0 failed
- Android clean full Controls.DeviceTests run on Pixel 9 Pro XL API 36:
962 run, 942 passed, 7 failed, 13 skipped. Remaining failures were
unrelated existing/device-environment failures in Border/Shell/Label;
MapElementOptionsLifecycleTests passed 7/7 inside the full run.

---------
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: Jakub Florkowski <42434498+kubaflo@users.noreply.github.com>
kubaflo added a commit that referenced this pull request Jul 3, 2026
## Summary
- Fix Android map element addition so temporary map element
handlers/options are disconnected and disposed after Google Maps
consumes the options.
- Covers polyline, polygon, and circle add paths without changing public
APIs.
- Adds Android device tests for temporary-handler cleanup and post-add
native updates.

Fixes #20502

## Root Cause
Android MapHandler.AddPolyline/AddPolygon/AddCircle created temporary
MapElementHandler instances to build Google Maps options, but left those
handlers attached to the MAUI map elements after GoogleMap.Add* consumed
the options. Large MapElements workloads could retain many temporary
handlers/options and drive severe GREF pressure.

## Validation
- dotnet build Microsoft.Maui.BuildTasks.slnf
- dotnet build src/Core/maps/src/Maps.csproj -f net10.0-android36.0
- dotnet build
src/Controls/tests/DeviceTests/Controls.DeviceTests.csproj -f
net10.0-android -p:EmbedAssembliesIntoApk=true
- Android focused map tests on Pixel 9 Pro XL API 36: 9 passed, 0 failed
- Android clean full Controls.DeviceTests run on Pixel 9 Pro XL API 36:
962 run, 942 passed, 7 failed, 13 skipped. Remaining failures were
unrelated existing/device-environment failures in Border/Shell/Label;
MapElementOptionsLifecycleTests passed 7/7 inside the full run.

---------
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: Jakub Florkowski <42434498+kubaflo@users.noreply.github.com>
@PureWeen PureWeen mentioned this pull request Jul 6, 2026
PureWeen added a commit that referenced this pull request Jul 6, 2026
## What's Coming

.NET MAUI inflight/candidate introduces significant improvements across
all platforms with focus on quality, performance, and developer
experience. This release includes 153 commits with various improvements,
bug fixes, and enhancements.


## Activityindicator
- [Android] Fix CollectionView ActivityIndicator not animating after
header height change by @Vignesh-SF3580 in
#35358
  <details>
  <summary>🔧 Fixes</summary>

- [CollectionView items fail to update ActivityIndicator state after
header height change](#33780)
  </details>

## Animation
- [Android] Fix Shadow property affecting transform matrix. by
@Shalini-Ashokan in #32962
  <details>
  <summary>🔧 Fixes</summary>

- [[Android] Applying Shadow property affects the properties in Visual
Transform Matrix](#32731)
  </details>

## API
- Add delegate-based alert dialog extensibility convention (no public
API changes) by @Redth in #35095
  <details>
  <summary>🔧 Fixes</summary>

- [Alert/Dialog system (`DisplayAlert`, `DisplayActionSheet`,
`DisplayPromptAsync`) needs a public extensibility
point](#34104)
  </details>

## Blazor
- [Android] Fix for BlazorWebView predictive back callback blocks
Android back-to-home animation by @BagavathiPerumal in
#35538
  <details>
  <summary>🔧 Fixes</summary>

- [[Android] BlazorWebView predictive back callback blocks Android
back-to-home animation](#35397)
  </details>

- [Android] Fix BlazorWebView back callback can swallow the first Back
press when its callback is stale-enabled by @devanathan-vaithiyanathan
in #35611
  <details>
  <summary>🔧 Fixes</summary>

- [[inflight regression] Android BlazorWebView back callback can swallow
the first Back press when its callback is
stale-enabled](#35573)
  </details>

## Border
- [Windows] Fixed the ContentView clip is not updated when wrapping
inside the Border by @Ahamed-Ali in
#30408
  <details>
  <summary>🔧 Fixes</summary>

- [[Windows] ContentView clip is not updated when wrapping inside the
Border](#30404)
  </details>

- Fix Border.StrokeDashArray leaks dashed Borders when using a shared
Application resource by @devanathan-vaithiyanathan in
#35544
  <details>
  <summary>🔧 Fixes</summary>

- [`Border.StrokeDashArray` leaks dashed Borders when using a shared
Application resource](#35492)
  </details>

- [Windows] Border: Add AutomationPeer support by @Vignesh-SF3580 in
#35577
  <details>
  <summary>🔧 Fixes</summary>

- [Adding AutomationPeers to Windows
Borders](#27627)
  </details>

- [Windows] Fixed BoxView improper rendering inside Border by
@Dhivya-SF4094 in #28465
  <details>
  <summary>🔧 Fixes</summary>

- [[Windows] Issues with BoxView Placement Inside
Border](#19668)
  </details>

## Button
- Prevent NullReferenceException in LayoutButton by @GamesAgeddon in
#35284
  <details>
  <summary>🔧 Fixes</summary>

- [NullReferenceException on iOS in Button.LayoutButton from
WrapperView.LayoutSubviews](#31048)
  </details>

- Fix TextColor null reset to restore platform defaults on iOS and
Android by @Shalini-Ashokan in #35563
  <details>
  <summary>🔧 Fixes</summary>

- [[Windows, Android, iOS & Mac]Button TextColor does not restore to
platform default when reset to null after dynamic
update](#35513)
  </details>

## CollectionView
- Fix CollectionView grid spacing updates for first row and column by
@KarthikRajaKalaimani in #34527
  <details>
  <summary>🔧 Fixes</summary>

- [[MAUI] I2_Vertical grid for horizontal Item Spacing and Vertical Item
Spacing - horizontally updating the spacing only applies to the second
column](#34257)
  </details>

- [MacCatalyst] Fix CollectionView Header/Footer Not Expanding to
Content Width by @KarthikRajaKalaimani in
#35213
  <details>
  <summary>🔧 Fixes</summary>

- [[MacOS][CV2] I8_View header and footer_Horizontal_View - Footer on
the right doesn't adapt when resizing the
window](#35113)
  </details>

- [iOS/MacCatalyst] Fix IndicatorView not updating when IndicatorSize is
changed to default value by @Shalini-Ashokan in
#35215
  <details>
  <summary>🔧 Fixes</summary>

- [[iOS/MacCatalyst] IndicatorView does not update when IndicatorSize is
dynamically changed to the default
value](#35214)
  </details>

- CollectionView selecteditem background lost if collectionview (or
parent) IsEnabled changed. by @KarthikRajaKalaimani in
#31540
  <details>
  <summary>🔧 Fixes</summary>

- [CollectionView selecteditem background lost if collectionview (or
parent) IsEnabled changed.](#20615)
  </details>

- [iOS/macOS] CollectionView: Fix FlowDirection not working on EmptyView
by @Dhivya-SF4094 in #32674
  <details>
  <summary>🔧 Fixes</summary>

- [[iOS, MacOS] FlowDirection not working on EmptyView in
CollectionView](#32404)
- [[iOS, Mac] CollectionView EmptyViewTemplate content text is mirrored
when FlowDirection is
RightToLeft](#34522)
  </details>

- Fix iOS CollectionView stale layout invalidations by @filipnavara in
#35245
  <details>
  <summary>🔧 Fixes</summary>

- [[iOS] CollectionView tries to invalidate cells with invalid
indexes](#35244)
  </details>

- Fix Android grouped CollectionView header/footer rebind leak by
@AdamEssenmacher in #35368
  <details>
  <summary>🔧 Fixes</summary>

- [Memory leak when scrolling a CollectionView with
IsGrouped=true](#17698)
  </details>

- [Windows] Fix for Item should scrolled based on the
GroupHeaderTemplate by @SuthiYuvaraj in
#28074
  <details>
  <summary>🔧 Fixes</summary>

- [I9_Scroll by object for grouped data - The group name is always pined
at the top after clicking 'Scroll to Proboscis Monkey'
button](#27922)
  </details>

- [Android] Fix ScrollTo regression when IsGrouped true on
CollectionView by @SubhikshaSf4851 in
#35356
  <details>
  <summary>🔧 Fixes</summary>

- [[10.0.60] ScrollTo(0) not working anymore on CollectionView when
IsGrouped="True"](#35313)
  </details>

- [Android] Fix CollectionView scrolling performance regression by
@devanathan-vaithiyanathan in #35379
  <details>
  <summary>🔧 Fixes</summary>

- [[10.0.60] CollectionView scrolling performance
regression](#35344)
  </details>

- Optimize parent dynamic resource refresh by @AdamEssenmacher in
#35408
  <details>
  <summary>🔧 Fixes</summary>

- [Memory usage increases when scrolling collectionview if resources
count is more than 191](#22053)
  </details>

- Fix CI failure for CollectionView Scrolling Feature Tests due to PR
#35379 by @devanathan-vaithiyanathan in
#35536

- [iOS & Mac] CarouselViewController2 leaks on iOS/MacCatalyst due to
unremoved orientation notification observer by @SubhikshaSf4851 in
#35532
  <details>
  <summary>🔧 Fixes</summary>

- [CarouselViewController2 leaks on iOS/MacCatalyst due to unremoved
orientation notification
observer](#35472)
  </details>

- Fix CollectionView.SelectedItems leaks popped views when bound to a
retained ObservableCollection by @HarishwaranVijayakumar in
#35558
  <details>
  <summary>🔧 Fixes</summary>

- [`CollectionView.SelectedItems` leaks popped views when bound to a
retained
`ObservableCollection`](#35497)
  </details>

- Fix for Android - Dynamic Updates to CollectionView Header/Footer and
Templates Are Not Displayed by @SuthiYuvaraj in
#28904
  <details>
  <summary>🔧 Fixes</summary>

- [Android - Dynamic Updates to CollectionView Header/Footer and
Templates Are Not
Displayed](#28676)
  </details>

- [Windows] Fix CarouselView EmptyView display when filtering to zero
items by @Shalini-Ashokan in #29247
  <details>
  <summary>🔧 Fixes</summary>

- [[Windows] [Scenario Day] EmptyView using Template displayed at the
same time as the content](#7150)
  </details>

- [Android/iOS] Fix IsEnabled=False on CollectionView not working by
@devanathan-vaithiyanathan in #27749
  <details>
  <summary>🔧 Fixes</summary>

- [[iOS/Android] CollectionView IsEnabled Not
Working](#27770)
  </details>

- Fix CarouselView.Loop property does not update dynamically and fails
to maintain the scroll position when the loop value is changed at
runtime by @devanathan-vaithiyanathan in
#29527
  <details>
  <summary>🔧 Fixes</summary>

- [[Android] CarouselView.Loop = false causes crash on Android when
changed at runtime](#29411)
- [Loop Binding in CarouselView Not Updating Dynamically at
Runtime](#29449)
  </details>

- [iOS / Mac] Fix CollectionView.ScrollTo(index) silently failing
whenIsGrouped="True" by @Dhivya-SF4094 in
#35609
  <details>
  <summary>🔧 Fixes</summary>

- [CollectionView.ScrollTo(index) doesn't work correctly when
IsGrouped="True" on iOS, MacCatalyst, and
Windows](#35326)
  </details>

- Fix Android nested carousel scrolling by @AdamEssenmacher in
#35656
  <details>
  <summary>🔧 Fixes</summary>

- [Vertical scrolling not working for CarouselView and
CustomLayouts](#7814)
  </details>

- [Inflight regression] Fixed Test failures
ModalTabbedPagePushAsyncShouldOverlayBottomNavigationView and
GroupedCollectionViewScrollToIndexScrollsToCorrectItem by @Dhivya-SF4094
in #35823

- Fix CarouselView tests fail in June 8 Candidate by
@devanathan-vaithiyanathan in #35825

## Core
- Reduce allocations on AnimationManager by @pictos in
#35612
  <details>
  <summary>🔧 Fixes</summary>

- [AnimationManager is allocating a
lot](#35654)
  </details>

## Core Lifecycle
- Fix device test memory by @pictos in
#35487
  <details>
  <summary>🔧 Fixes</summary>

- [Memory leak Device.Test pass with false
positive](#35485)
  </details>

## Datepicker
- Fix MacCatalyst DatePicker focus handling by @AdamEssenmacher in
#35553
  <details>
  <summary>🔧 Fixes</summary>

- [[mauipalooza] DatePicker focus only works first
time](#5947)
  </details>

## DateTimePicker
- [Android] Fix DatePicker dialog dismisses after the device is rotated
by @HarishwaranVijayakumar in #34980
  <details>
  <summary>🔧 Fixes</summary>

- [[Android] [Regression] DatePicker dialog dismisses after the device
is rotated](#34973)
  </details>

## Docs
- doc: Add paragraph to README.md explaining how to fetch the `maui`
project templates by @durandt in
#34561

## Drawing
- [Android] Fix LinearGradientBrush rendering as opaque black box by
@SubhikshaSf4851 in #35299
  <details>
  <summary>🔧 Fixes</summary>

- [[Regression] LinearGradientBrush broken on Android in
10.0.60](#35280)
- [10.0.60 breaks transparency on Brushes (on
Android?)](#35354)
  </details>

- Fix polygon points collection handler leak by @AdamEssenmacher in
#35526
  <details>
  <summary>🔧 Fixes</summary>

- [PolygonHandler and PolylineHandler leak when Points is replaced
before disconnect](#35387)
  </details>

## Editor
- [iOS] Fix Editor losing scrollability after rotation when
CharacterSpacing is applied by @Vignesh-SF3580 in
#35309
  <details>
  <summary>🔧 Fixes</summary>

- [[.NET 10][iOS] D2 - Editor can't be scrolled after rotating
simulator.](#35114)
  </details>

- [Inflight/Candidate][iOS & Mac] Fix for Editor height inconsistency
when VerticalTextAlignment is Center or End on iOS and MacCatalyst by
@BagavathiPerumal in #35662
  <details>
  <summary>🔧 Fixes</summary>

- [[MAUI] D13_Customize_Text_Alignment - Text Editor Height is not
consistent](#35615)
  </details>

## Entry
- [iOS/Mac] Fix Entry clear button retaining tint color after TextColor
is reset to null by @SyedAbdulAzeemSF4852 in
#35177
  <details>
  <summary>🔧 Fixes</summary>

- [[iOS/Mac]Entry ClearButtonVisibility color does not reset when
TextColor is set to null](#35076)
  </details>

- [iOS/MacCatalyst] Fix Entry clear button appearing dimmed compared to
TextColor by @SyedAbdulAzeemSF4852 in
#35541
  <details>
  <summary>🔧 Fixes</summary>

- [[MacCatalyst] [Entry] ClearButtonVisibility color appears dimmed
compared to TextColor](#35517)
  </details>

- Fix pill-shaped focus ring on macOS 26 by @Dhivya-SF4094 in
#35393
  <details>
  <summary>🔧 Fixes</summary>

- [.Net 10 Picker item not centered and wrong focus outline of Entry on
Mac](#34899)
  </details>

- Fix Entry select all text on refocus not working on WinUI by @kubaflo
in #35383

## Essentials
- [Android] Fix Capture video crashes after stopping recording on
Android 12 by @HarishwaranVijayakumar in
#35638
  <details>
  <summary>🔧 Fixes</summary>

- [Capture video crashes after stopping recording on Android
12](#28891)
  </details>

- [Essentials] Browser.OpenAsync(External): drop visibility-filtered
ResolveActivity pre-check by @Kebechet in
#35652
  <details>
  <summary>🔧 Fixes</summary>

- [Browser.OpenAsync(External) on Android throws
FeatureNotSupportedException for verified App Link owner URLs even with
documented <queries> fix
applied](#35651)
  </details>

## Essentials Texttospeech
- [Mac, iOS, Windows] Fix for inconsistent Text-to-Speech rate behavior
by @HarishwaranVijayakumar in #32850
  <details>
  <summary>🔧 Fixes</summary>

  - [[Essentials] TTS rate](#32492)
  </details>

## Flyoutpage
- [iOS/Mac] Fix FlyoutPage RTL FlowDirection is not working by
@devanathan-vaithiyanathan in #34831
  <details>
  <summary>🔧 Fixes</summary>

- [[iOS/Mac] FlyoutPage RTL FlowDirection is not working
properly](#34830)
  </details>

- [Android] Fix for Android 16 Back button is not working after command
from FlyoutPage by @BagavathiPerumal in
#35196
  <details>
  <summary>🔧 Fixes</summary>

- [Android: BackButton on Android 16 not working after command from
FlyOutPage](#33508)
  </details>

## Gestures
- Fix DragGestureRecognizer.DropCompleted event not firing in Android
platform by @KarthikRajaKalaimani in
#35179
  <details>
  <summary>🔧 Fixes</summary>

- [[Android] DragGestureRecognizer.DropCompleted event not
firing](#17554)
  </details>

- Windows: Ensure layouts without background participate in hit testing
by @jpd21122012 in #34364
  <details>
  <summary>🔧 Fixes</summary>

- [[Windows] TapGestureRecognizer does NOT work on a ContentView without
Background](#32279)
  </details>

- [iOS] Fix VoiceOver dropping child labels on layouts with
SemanticProperties.Hint or TapGestureRecognizer by @Vignesh-SF3580 in
#35590
  <details>
  <summary>🔧 Fixes</summary>

- [[iOS] VoiceOver does not correctly describe View with
GestureRecognizers](#34380)
  </details>

## Hybridwebview
- Fix RemovePossibleQueryString to also strip URL fragments by @kubaflo
in #35551
  <details>
  <summary>🔧 Fixes</summary>

- [HybridWebViewQueryStringHelper.RemovePossibleQueryString removes '?'
but not other special characters e.g.
'#'](#31472)
  </details>

- [Revert] - [Windows] Fix WebView blank rendering when used with
HybridWebView by @SubhikshaSf4851 in
#35814

## Image
- Avoid image source layout invalidation for fixed-size views by
@AdamEssenmacher in #35369
  <details>
  <summary>🔧 Fixes</summary>

- [Image source swaps thrash layout under fixed constraints, tanking
frame rate when scrolling virtualized
collections](#32457)
  </details>

- [Windows] Fix Image layout inconsistency caused by async decode race
in GetDesiredSize by @praveenkumarkarunanithi in
#34699
  <details>
  <summary>🔧 Fixes</summary>

- [[Windows] Image cropping produces inconsistent results when window is
minimized or resized](#32393)
  </details>

- [Testing] Include more testing around Windows Image Aspect recent
fixes by @kubaflo in #35620
  <details>
  <summary>🔧 Fixes</summary>

- [[Testing] Include more testing around Windows Image Aspect recent
fixes](#31686)
  </details>

- Revert PR #30068 — Fix FontImageSource centering regression on Windows
by @Shalini-Ashokan in #35642
  <details>
  <summary>🔧 Fixes</summary>

- [[Windows] Image with FontImageSource is not centered and gets clipped
when WidthRequest/HeightRequest equals FontImageSource
Size](#35618)
  </details>

- [Android] Fix screenshot from WebView content not working by @kubaflo
in #35384
  <details>
  <summary>🔧 Fixes</summary>

- [[Android] Loading the captured screenshot from webview content to
Image control does not
visible](#30010)
  </details>

## Label
- Improve label mapping performance and ensure complete coverage
including ToPlatform and subsequent property changes by
@Tamilarasan-Paranthaman in #31159

- Fix for Label.FormattedText leaks labels when shared FormattedString
is stored in Application.Resources by @BagavathiPerumal in
#35582
  <details>
  <summary>🔧 Fixes</summary>

- [`Label.FormattedText` leaks labels when shared `FormattedString` is
stored in
`Application.Resources`](#35495)
  </details>

- [iOS] Fix Label Span formatting test failures on candidate branch by
@Vignesh-SF3580 in #35815

## Layout
- [iOS, Mac] Fix Item spacing not properly applied between items in
Horizontal LinearItemsLayout by @Dhivya-SF4094 in
#35445
  <details>
  <summary>🔧 Fixes</summary>

- [[CollectionView2] Item spacing not properly applied between items in
Horizontal
LinearItemsLayout](#35429)
  </details>

- [Windows] Add Automation Id support for Layouts. by @SubhikshaSf4851
in #35562
  <details>
  <summary>🔧 Fixes</summary>

- [[Windows] AutomationId does not work for ContentView, Layouts and
controls that inherit them](#4715)
  </details>

- Avoid layout diagnostics allocations without listeners by
@AdamEssenmacher in #35475
  <details>
  <summary>🔧 Fixes</summary>

- [MAUI 10 layout diagnostics no-consumer path is not
zero-allocation](#35473)
  </details>

- [Windows/Android] FlexLayout: Fix wrap misalignment due to
floating-point precision by @SuthiYuvaraj in
#31341
  <details>
  <summary>🔧 Fixes</summary>

- [FlexLayout Wrap Misalignment with Dynamically-Sized Buttons in .NET
MAUI](#30957)
  </details>

## Listview
- Fix Binding for ListView.IsRefreshing by @bill2004158 in
#28516
  <details>
  <summary>🔧 Fixes</summary>

- [Bind ListView.IsRefreshing is not
work.](#28514)
  </details>

## Map
- Fix iOS/Catalyst MapPool retention with MapElements by
@AdamEssenmacher in #35480
  <details>
  <summary>🔧 Fixes</summary>

- [iOS/Mac Catalyst MapHandler leaks MAUI Map views and MapElements
through MapPool](#35479)
  </details>

- Fix Android map view lifecycle cleanup by @AdamEssenmacher in
#35476
  <details>
  <summary>🔧 Fixes</summary>

- [Navigating to a page with Maps multiple times Increase RAM Usage but
doesn't reduce it back after navigating
back](#15257)
  </details>

- Fix Android map element options retention by @AdamEssenmacher in
#35634
  <details>
  <summary>🔧 Fixes</summary>

- [[Regression] [Android] [Maps] Map locks up after rendering 50
Polylines](#20502)
  </details>

## Menubar
- [MacCatalyst] Fix KeyboardAccelerator with Cmd+Shift modifiers breaks
entire MenuBarItem on Mac Catalyst by @KarthikRajaKalaimani in
#35318
  <details>
  <summary>🔧 Fixes</summary>

- [[Bug] KeyboardAccelerator with Cmd+Shift modifiers breaks entire
MenuBarItem on Mac
Catalyst](#35279)
  </details>

## Navigation
- [iOS, Mac] Fix OnBackButtonPressed not invoked for NavigationPage and
Shell by @Dhivya-SF4094 in #35072
  <details>
  <summary>🔧 Fixes</summary>

- [On Screen Back Button Does Not Fire OnBackButtonPressed in
Android](#9095)
- [ContentPage's OnBackButtonPressed not invoked on iOS and
MacCatalyst](#8296)
  </details>

- Fix Android stale ContainerView root leak by @AdamEssenmacher in
#35372
  <details>
  <summary>🔧 Fixes</summary>

- [Android: Stale ContainerView retains replaced FlyoutPage
graph](#35371)
  </details>

- [Android] Fix for predictive back-to-home animation blocked by
unconditional back callback registration by @BagavathiPerumal in
#35223
  <details>
  <summary>🔧 Fixes</summary>

- [OnBackInvokedCallbacks block back-to-home
animation](#34594)
- [Migrate to
OnBackPressedCallback](#24752)
  </details>

- Revert [Android, iOS] - Flyout icon should remain visible when a page
is pushed onto a NavigationPage or Shell page with the back button
disabled. by @praveenkumarkarunanithi in
#35604

## Picker
- [iOS] Fix Picker CharacterSpacing lost after item selection when Title
is set by @SyedAbdulAzeemSF4852 in
#34974
  <details>
  <summary>🔧 Fixes</summary>

- [[iOS] Picker loses CharacterSpacing after item selection when Title
is set](#34971)
  </details>

- [iOS] Fix Picker CharacterSpacing ignored on initial load by
@SyedAbdulAzeemSF4852 in #34957
  <details>
  <summary>🔧 Fixes</summary>

- [[iOS] Picker ignores CharacterSpacing on initial
load](#34955)
  </details>

- [Windows] Fix for Picker CharacterSpacing Not Being Applied to Title
and Dropdown Items by @SyedAbdulAzeemSF4852 in
#30612
  <details>
  <summary>🔧 Fixes</summary>

- [[Windows] Picker CharacterSpacing property not applied to Title and
PickerItems text](#30464)
  </details>

- Fix Picker SelectedIndex deferred initialization by @AdamEssenmacher
in #35629
  <details>
  <summary>🔧 Fixes</summary>

- [Picker Attribute "SelectedIndex" Not being respected on page load on
Android?](#9150)
  </details>

## Progressbar
- Fix iOS ProgressBar bounding box by @AdamEssenmacher in
#35507
  <details>
  <summary>🔧 Fixes</summary>

- [[iOS] ProgressBar and Label don't correctly obey height and width at
the core level](#7935)
  </details>

## RadioButton
- [Windows, Android] Fix Border Color and Border Width Not applying for
Radio Button by @HarishwaranVijayakumar in
#35616
  <details>
  <summary>🔧 Fixes</summary>

- [[Windows, Android] Border Color and Border Width Not applying for
Radio Button.](#35587)
  </details>

- [inflight/current] Fixes a CS0111 build failure in RadioButton.cs
caused by a duplicate OnPropertyChanged override by
@HarishwaranVijayakumar in #35631

- Revert - Fix TalkBack not correctly narrating RadioButtons with
Content by @devanathan-vaithiyanathan in
#35625
  <details>
  <summary>🔧 Fixes</summary>

- [[Android] MissingMethodException
AccessibilityNodeInfoCompat.set_Checked(bool) on 10.0.70 due to
AndroidX.Core 1.17 breaking
change](#35584)
  </details>

## Refreshview
- [Windows] Fix RefreshView IsRefreshing property not working while
binding by @devanathan-vaithiyanathan in
#34845
  <details>
  <summary>🔧 Fixes</summary>

- [[Windows] RefreshView IsRefreshing property not working while
binding](#30535)
  </details>

- [Android] Fix for RefreshView triggering pull-to-refresh when
scrolling inside a WebView with internal scrollable content by
@BagavathiPerumal in #34614
  <details>
  <summary>🔧 Fixes</summary>

- [[Android] RefreshView triggers pull-to-refresh immediately when
scrolling up inside a
WebView](#33510)
  </details>

## SafeArea
- [Android] Fix bottom safe area padding dropping to zero when keyboard
is shown by @praveenkumarkarunanithi in
#35084
  <details>
  <summary>🔧 Fixes</summary>

- [[Android] Bottom insets issues when keyboard is
shown.](#32871)
  </details>

- Gate SafeArea inset listeners in recycler items by @AdamEssenmacher in
#35664
  <details>
  <summary>🔧 Fixes</summary>

- [[10.0.60] CollectionView scrolling performance
regression](#35344)
  </details>

## ScrollView
- [Windows] Fix COMException when restoring a ScrollView as
ContentPage.Content after swapping it out by @Vignesh-SF3580 in
#35360
  <details>
  <summary>🔧 Fixes</summary>

- [COMException when clone a page's content to a object and set it back
later in mainthread on
Windows](#35277)
  </details>

- Fix - ScrollView.ScrollToAsync(x, y, animated) doesn't work when
called from Page.OnAppearing by @Shalini-Ashokan in
#35395
  <details>
  <summary>🔧 Fixes</summary>

- [[iOS] ScrollView.ScrollToAsync(x, y, animated) doesn't work when
called from
Page.OnAppearing](#31177)
  </details>

## Searchbar
- [Android] Fix SearchBar IME full-screen extract mode in landscape
orientation by @SubhikshaSf4851 in
#35197
  <details>
  <summary>🔧 Fixes</summary>

- [[Android] Investigate SearchBar presentation in horizontal screen
orientation ](#14708)
  </details>

- [iOS 26] Fix SearchBar layout spacing issues for small HeightRequest
values by @devanathan-vaithiyanathan in
#35347
  <details>
  <summary>🔧 Fixes</summary>

- [Spacing problem with maui 10.0.60
iOS](#35286)
  </details>

## SearchBar
- [Windows] Fix SearchHandler does not focus when ShowSoftInputAsync is
called by @praveenkumarkarunanithi in
#35079
  <details>
  <summary>🔧 Fixes</summary>

- [[Windows] SearchHandler.ShowSoftInputAsync() does not focus the
SearchHandler](#34930)
  </details>

## Shell
- Fix Android layout jump when navigating with IME open and
NavBarIsVisible=false by @jpd21122012 in
#34621
  <details>
  <summary>🔧 Fixes</summary>

- [Shell page without NavBar jumping when navigating with keyboard
open](#34584)
  </details>

- [Android] Add defensive not null check to
SearchHandlerAppearanceTracker.FocusChange by @Transis-Felipe in
#29939

- [Android] Fix for Shell colors change before navigation completes on
Android in .NET 10 by @BagavathiPerumal in
#35295
  <details>
  <summary>🔧 Fixes</summary>

- [Shell colors change before navigation completes on Android in .NET
10](#35060)
  </details>

- [Windows] Fix Shell FlyoutItem not taking full width by
@SubhikshaSf4851 in #35131
  <details>
  <summary>🔧 Fixes</summary>

- [MAUI WinUI Grids don't render properly in flyout
menu](#19542)
- [[Windows] [.NET 8 RC2] FlyoutItem Backgroundcolor Is not fully
displaying](#18238)
  </details>

- [Android, iOS, Catalyst] Fix SearchHandler.BackgroundColor cannot be
reset to null by @HarishwaranVijayakumar in
#35224
  <details>
  <summary>🔧 Fixes</summary>

- [[Android, iOS, Catalyst] SearchHandler.BackgroundColor cannot be
reset to null](#35088)
  </details>

- Fix for ApplyQueryAttributes being called on non-destination pages
during back navigation by @BagavathiPerumal in
#35392
  <details>
  <summary>🔧 Fixes</summary>

- [ApplyQueryAttributes gets called for not activated (navigated to)
page on back](#35183)
  </details>

- [Android] Fix Shell flyout background to follow Material 3 theme
colors by @SyedAbdulAzeemSF4852 in
#35148
  <details>
  <summary>🔧 Fixes</summary>

- [[Android] Shell Flyout ignores Material 3 surface color when
UseMaterial3 is enabled](#35147)
  </details>

- [Android] Fix Shell.FlyoutHeader background incorrect by
@SyedAbdulAzeemSF4852 in #35489
  <details>
  <summary>🔧 Fixes</summary>

- [[Android] Shell.FlyoutHeader background is
incorrect](#35416)
  </details>

- [iOS/MacCatalyst] Fix Shell.BackgroundColor not applied to bottom
TabBar by @Shalini-Ashokan in #35545
  <details>
  <summary>🔧 Fixes</summary>

- [[MacCatalyst] Shell.BackgroundColor not applied to bottom
TabBar](#35380)
- [[Catalyst] Shell.TabBarBackgroundColor is not
applied](#35381)
  </details>

- [Android] Fix Shell FlyoutIcon tint loss after navigation by
@SyedAbdulAzeemSF4852 in #35561
  <details>
  <summary>🔧 Fixes</summary>

- [[Android] The flyout icon loses
colours](#35390)
  </details>

- [iOS] Fix Shell - opened keyboard on modal page shifts parent
page/frame behind modal after update to 10.0.60 by @KarthikRajaKalaimani
in #35559
  <details>
  <summary>🔧 Fixes</summary>

- [[iOS] Shell - opened keyboard on modal page shifts parent page/frame
behind modal after update to
10.0.60](#35401)
  </details>

- Fix intermediate pages not receiving query parameters in multi-page
Shell navigation by @mattleibow in
#35432
  <details>
  <summary>🔧 Fixes</summary>

- [Shell GoToAsync: no way to pass query parameters to intermediate
pages in multi-segment
navigation](#35107)
  </details>

- [Windows] Fix Shell title bar overlap with window controls in RTL mode
by @Shalini-Ashokan in #33109
  <details>
  <summary>🔧 Fixes</summary>

- [[Windows] Binding RTL FlowDirection in Shell causes Flyout MenuIcon
and native window controls to
overlap](#32476)
  </details>

- [macOS] Fix IsEnabled property false not working on MenuBarItem by
@devanathan-vaithiyanathan in #35546
  <details>
  <summary>🔧 Fixes</summary>

- [[macOS] IsEnabled property false not working on
MenuBarItem](#34038)
  </details>

- Fix Android Shell top inset when nav bar is hidden by @ne0rrmatrix in
#35555
  <details>
  <summary>🔧 Fixes</summary>

- [wrong statusbar height when Android device has a
notch](#35103)
  </details>

- Fix Changing Content property of ShellContent doesn't change visual
content by @devanathan-vaithiyanathan in
#34630
  <details>
  <summary>🔧 Fixes</summary>

- [Changing Content property of ShellContent doesn't change visual
content. ](#12669)
  </details>

- Fixed a NullReferenceException when starting application with empty
shell on Windows by @Shalini-Ashokan in
#28879
  <details>
  <summary>🔧 Fixes</summary>

- [NullReferenceException when starting application with empty shell on
Windows](#21562)
- [Using SelectionChangedCommand with CollectionView in
Shell.FlyoutContent results in Win32 Unhandled
Exception](#10041)
  </details>

## Slider
- [iOS] Slider: Scale ThumbImageSource to match default thumb size by
@NirmalKumarYuvaraj in #34184
  <details>
  <summary>🔧 Fixes</summary>

- [[Slider] MAUI Slider thumb image is big on
android](#13258)
  </details>

## Stepper
- Fix iOS 26 Stepper overlap in landscape by @AdamEssenmacher in
#35374
  <details>
  <summary>🔧 Fixes</summary>

- [[.NET10] D10-The number and buttons overlap after rotating the
simulator.](#35211)
  </details>

## SwipeView
- Fix SwipeViews with invoked properties crash the app in Release mode
by @BagavathiPerumal in #35208
  <details>
  <summary>🔧 Fixes</summary>

- [[iOS/Catalyst] Swipeviews with invoked properties crash the app in
Release](#18055)
  </details>

- Fix SwipeItemView command leak by @AdamEssenmacher in
#35510
  <details>
  <summary>🔧 Fixes</summary>

- [`SwipeItemView.Command` leaks row views and command parameters
through
`CanExecuteChanged`](#35498)
  </details>

- [iOS/Android] Fix SwipeItem.IsVisible not refreshing native swipe
items when binding changes by @SyedAbdulAzeemSF4852 in
#35217
  <details>
  <summary>🔧 Fixes</summary>

- [SwipeItem.IsVisible doesn't properly refresh the native swipe items
when the binding value changes
dynamically](#34832)
  </details>

- Fix SwipeView memory leak when SwipeItems are reused or replaced by
@Vignesh-SF3580 in #35539
  <details>
  <summary>🔧 Fixes</summary>

- [SwipeView leaks when SwipeItems are reused or
replaced](#35481)
  </details>

- Fix SwipeItem IconImageSource color handling and rendering across
platforms by @Shalini-Ashokan in
#35632
  <details>
  <summary>🔧 Fixes</summary>

- [[Android] SwipeItem IconImageSource should allow more
configuration](#23074)
  </details>

## Switch
- [Android/Windows] Fix RadioButton gradient not clearing when switching
background by @Shalini-Ashokan in
#34997
  <details>
  <summary>🔧 Fixes</summary>

- [RadioButton Background does not reset when set to null at
runtime](#34993)
  </details>

- [Windows] Fix "PlatformView cannot be null here" exception during
handler disconnect by @kubaflo in
#35314
  <details>
  <summary>🔧 Fixes</summary>

- ["PlatformView cannot be null here" Exception in Switch control
[Windows]](#27101)
  </details>

- [iOS 26] Fix Switch ThumbColor and OffColor not applied on initial
load by @SyedAbdulAzeemSF4852 in
#35400
  <details>
  <summary>🔧 Fixes</summary>

- [iOS 26 Switch default color for Off and On is incorrect + Off Color
is not applied at start + Thumb Colors is not
applied](#35257)
  </details>

- [Android] Fix AppBar flicker on CheckBox/Switch toggle with Material 3
by @Dhivya-SF4094 in #35181
  <details>
  <summary>🔧 Fixes</summary>

- [[Android] AppBar flicker while changing the CheckBox or Switch state
after scrolling in Material
3](#35180)
  </details>

- [Android] Fix Switch Shadow Does Not Follow Thumb when Toggle On or
Off by @Dhivya-SF4094 in #35623
  <details>
  <summary>🔧 Fixes</summary>

- [[Android] Switch Shadow Does Not Follow Thumb when Toggle On or
Off](#30046)
  </details>

## TabbedPage
- [Android] Fix TabbedPage truncating tab titles instead of scrolling by
@Shalini-Ashokan in #35086
  <details>
  <summary>🔧 Fixes</summary>

- [Maui migrating Xamarin to Maui - Tabbed Page Scroll Issue - Tabs are
not scrolling](#16470)
  </details>

- [Android] Fix BottomNavigationView remaining visible for TabbedPage
inside modal NavigationPage after PushAsync by @Dhivya-SF4094 in
#35359
  <details>
  <summary>🔧 Fixes</summary>

- [Android TabbedPage inside Modal Navigation does not overlay
BottomNavigationView after PushAsync in .NET MAUI
10.0.60](#35331)
  </details>

- [Android & iOS] TabbedPage leaks with shared GradientBrush. by
@SubhikshaSf4851 in #35543
  <details>
  <summary>🔧 Fixes</summary>

- [TabbedPage leaks renderer/manager when BarBackground uses shared
GradientBrush resource](#35469)
  </details>

## Templates
- Bumps Syncfusion.Maui.Toolkit dependency to version 1.0.10 by
@PaulAndersonS in #35608

## Toolbar
- Fix Android app bar inset background coloring by @ne0rrmatrix in
#35601
  <details>
  <summary>🔧 Fixes</summary>

- [Android Edge-to-Edge: Shell and NavigationPage Top Bar colour is not
used for status bar.](#35568)
  </details>

## Tooling
- Add default .gitignore to MAUI project templates by @davidortinau in
#34862
  <details>
  <summary>🔧 Fixes</summary>

- [Add a gitignore file to the Maui template in VS
2022](#4131)
  </details>

- Fix: Propagate AdditionalProperties from ProjectReference in
ResizetizeCollectItems by @mattleibow in
#35575
  <details>
  <summary>🔧 Fixes</summary>

- [Resizetizer GetMauiItems does not propagate ProjectReference
AdditionalProperties](#35574)
  </details>

## WebView
- [Windows] Fix WebView blank rendering when used with HybridWebView by
@SubhikshaSf4851 in #35092
  <details>
  <summary>🔧 Fixes</summary>

- [[Windows] WebView Regression from NET9 to
NET10](#34558)
  </details>

- Fix AOT integration test failures: suppress IL3050/IL2026 for
HybridWebViewHandler in AddControlsHandlers by @mattleibow via @Copilot
in #34868

- Fix Android activity result callback leak by @AdamEssenmacher in
#35436
  <details>
  <summary>🔧 Fixes</summary>

- [Android WebView file chooser callbacks leak via
ActivityResultCallbackRegistry](#35405)
  </details>

- [Windows] Fix WebView Does Not Inherit App Theme by
@devanathan-vaithiyanathan in #35037
  <details>
  <summary>🔧 Fixes</summary>

- [WebView on Windows Does Not Inherit App
Theme](#34823)
  </details>

- Fix for WebView leaks when reusing a shared WebViewSource by
@BagavathiPerumal in #35524
  <details>
  <summary>🔧 Fixes</summary>

- [WebView leaks when reusing a shared
WebViewSource](#35483)
  </details>

- Destroy Android WebView on handler disconnect by @AdamEssenmacher in
#35552
  <details>
  <summary>🔧 Fixes</summary>

- [Right way to dispose page with
WebView](#18021)
  </details>

## Xaml
- Fix: Enable VisualStateManager to set Style property dynamically by
@Shalini-Ashokan in #33389
  <details>
  <summary>🔧 Fixes</summary>

- [Setting the `Style` property using the `VisualStateManager` within a
Style resource does not
work](#17175)
  </details>

- Fix Implicit parameter conversion from integer to byte fails with
source generated XAML by @KarthikRajaKalaimani in
#35444
  <details>
  <summary>🔧 Fixes</summary>

- [Implicit parameter conversion from integer to byte fails with source
generated XAML](#35396)
  </details>


<details>
<summary>🔧 Infrastructure (3)</summary>

- Fix: Build fails when appicon is an empty (but valid) SVG by
@Shalini-Ashokan in #35305
  <details>
  <summary>🔧 Fixes</summary>

- [Build fails when appicon is an empty (but valid) svg after upgrade to
10.0.60](#35293)
  </details>
- [inflight/current] Fix CS0111 duplicate GetNativeCharacterSpacing in
PickerHandlerTests.iOS by @SyedAbdulAzeemSF4852 in
#35419
- Update WinAppSDK to 1.8.260508005 by @kubaflo in
#35678

</details>

<details>
<summary>🧪 Testing (3)</summary>

- Backport Test Fixes and Snapshots from SR to Inflight Branch by
@Tamilarasan-Paranthaman in #35499
- Fix hardcoded version of Microsoft.DotNet.XHarness.TestRunners.Xunit
in test projects by @akoeplinger in
#29905
- [Testing] Fixed Build error on inflight/ candidate PR 35716 by
@HarishKumarSF4517 in #35730

</details>

<details>
<summary>🏠 Housekeeping (1)</summary>

- [HouseKeeping] Fix inconsistant namespace in HostApp by
@NirmalKumarYuvaraj in #35210

</details>

<details>
<summary>📦 Other (8)</summary>

- Add .cab and ReconnectModal.razor.js to signing config by @jesuszarate
in #35026
- Fix typo in Clipboard.shared.cs by @Deadpikle in
#35316
- Fix single modifier for NSMenuItem accelerators by @jeremy-visionaid
in #35351
- Avoid unnecessary LINQ enumerations by @jeremy-visionaid in
#35272
- [Testing] Replace retryDelay with retryTimeout in UI tests by @kubaflo
in #35367
- Replace JavaFinalize() with Dispose(bool) in GenericAnimatorListener
by @jonathanpeppers in #35548
- Fix incorrect SDK provisioning commands in integration-tests
instructions by @davidnguyen-tech in
#34992
- Fix VisualElement.ChangeVisualState() gets stuck in Selected state by
@Dhivya-SF4094 in #35421
  <details>
  <summary>🔧 Fixes</summary>

- [VisualElement's ChangeVisualState gets stuck in Selected
state](#35399)
  </details>

</details>

<details>
<summary>📝 Issue References</summary>

Fixes #4131, Fixes #4715, Fixes #5947, Fixes #7150, Fixes #7814, Fixes
#7935, Fixes #8296, Fixes #9095, Fixes #9150, Fixes #10041, Fixes
#12669, Fixes #13258, Fixes #14708, Fixes #15257, Fixes #16470, Fixes
#17175, Fixes #17554, Fixes #17698, Fixes #18021, Fixes #18055, Fixes
#18238, Fixes #19542, Fixes #19668, Fixes #20502, Fixes #20615, Fixes
#21562, Fixes #22053, Fixes #23074, Fixes #24752, Fixes #27101, Fixes
#27627, Fixes #27770, Fixes #27922, Fixes #28514, Fixes #28676, Fixes
#28891, Fixes #29411, Fixes #29449, Fixes #30010, Fixes #30046, Fixes
#30404, Fixes #30464, Fixes #30535, Fixes #30957, Fixes #31048, Fixes
#31177, Fixes #31472, Fixes #31686, Fixes #32279, Fixes #32393, Fixes
#32404, Fixes #32457, Fixes #32476, Fixes #32492, Fixes #32731, Fixes
#32871, Fixes #33508, Fixes #33510, Fixes #33780, Fixes #34038, Fixes
#34104, Fixes #34257, Fixes #34380, Fixes #34522, Fixes #34558, Fixes
#34584, Fixes #34594, Fixes #34823, Fixes #34830, Fixes #34832, Fixes
#34899, Fixes #34930, Fixes #34955, Fixes #34971, Fixes #34973, Fixes
#34993, Fixes #35060, Fixes #35076, Fixes #35088, Fixes #35103, Fixes
#35107, Fixes #35113, Fixes #35114, Fixes #35147, Fixes #35180, Fixes
#35183, Fixes #35211, Fixes #35214, Fixes #35244, Fixes #35257, Fixes
#35277, Fixes #35279, Fixes #35280, Fixes #35286, Fixes #35293, Fixes
#35313, Fixes #35326, Fixes #35331, Fixes #35344, Fixes #35354, Fixes
#35371, Fixes #35380, Fixes #35381, Fixes #35387, Fixes #35390, Fixes
#35396, Fixes #35397, Fixes #35399, Fixes #35401, Fixes #35405, Fixes
#35416, Fixes #35429, Fixes #35469, Fixes #35472, Fixes #35473, Fixes
#35479, Fixes #35481, Fixes #35483, Fixes #35485, Fixes #35492, Fixes
#35495, Fixes #35497, Fixes #35498, Fixes #35513, Fixes #35517, Fixes
#35568, Fixes #35573, Fixes #35574, Fixes #35584, Fixes #35587, Fixes
#35615, Fixes #35618, Fixes #35651, Fixes #35654

</details>


**Full Changelog**:
main...inflight/candidate
@kubaflo kubaflo mentioned this pull request Jul 6, 2026
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area-controls-map Map / Maps community ✨ Community Contribution platform/android s/agent-fix-pr-picked AI could not beat the PR fix - PR is the best among all candidates s/agent-reviewed PR was reviewed by AI agent workflow (full 4-phase review)

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