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[Linux] Handle FlView being destroyed before rendering is complete. - #193268
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Hold a reference to the child widgets in case there are destroyed externally from FlView. If destroyed, drop any frames. Fixes flutter#192873
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This pull request prevents crashes when presenting layers on a destroyed or disposed FlView or its renderers. It introduces a null check for the renderer in fl_view_present_layers, clears the renderer reference during disposal, and sinks the renderer's floating reference during engine setup. It also adds unit tests verifying the behavior of presenting layers after destruction across OpenGL, software, and subsurface renderers, as well as the view itself. There are no review comments to evaluate, and I have no additional feedback to provide.
mattkae
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Sep 25, 2026
This was referenced Sep 26, 2026
DanTup
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…lutter#193268) Hold a reference to the child widgets in case there are destroyed externally from FlView. If destroyed, drop any frames. Fixes flutter#192873
This was referenced Sep 28, 2026
DanTup
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Sep 28, 2026
…lutter#193268) Hold a reference to the child widgets in case there are destroyed externally from FlView. If destroyed, drop any frames. Fixes flutter#192873
This was referenced Sep 28, 2026
auto-submit Bot
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…#13060) Manual roll Flutter from 4fcd90be0045 to c5a061b18fa2 (222 revisions) Manual roll requested by quncheng@google.com flutter/flutter@4fcd90b...c5a061b 2026-09-28 brackenavaron@gmail.com [cross imports] navigator_test.dart (flutter/flutter#190954) 2026-09-28 154381524+flutteractionsbot@users.noreply.github.com Revert: Reland: Only render views that need to be rendered (flutter/flutter#193360) 2026-09-28 codefu@google.com ci(bringup): android_intent_security_test is green (flutter/flutter#193469) 2026-09-28 154381524+flutteractionsbot@users.noreply.github.com Sync CHANGELOG.md from stable (flutter/flutter#193020) 2026-09-28 engine-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from ukukV5lEkKabtOATk... to QdgqP02_cYpRQQQNN... (flutter/flutter#193454) 2026-09-28 137456488+flutter-pub-roller-bot@users.noreply.github.com Roll pub packages (flutter/flutter#193460) 2026-09-28 victorsanniay@gmail.com Un-nest sceneBuildDuration and windowRenderDuration in web SceneBuilderRecorder (flutter/flutter#193260) 2026-09-28 zarah@google.com Fix unresolved doc comment references in dev/integration_tests and dev/benchmarks (flutter/flutter#193433) 2026-09-28 engine-flutter-autoroll@skia.org Roll Packages from e55e7ac to ba0364a (9 revisions) (flutter/flutter#193450) 2026-09-28 bkonyi@google.com [tool] Require explicit dependency injection for FlutterDevice and FlutterDevice.create (flutter/flutter#192830) 2026-09-28 137456488+flutter-pub-roller-bot@users.noreply.github.com Roll pub packages (flutter/flutter#193442) 2026-09-28 dacoharkes@google.com [flutter_tools] Include data assets from hooks when pubspec.yaml is empty (flutter/flutter#193434) 2026-09-28 137456488+flutter-pub-roller-bot@users.noreply.github.com Roll pub packages (flutter/flutter#193438) 2026-09-28 zarah@google.com Fix unresolved doc comment references in Material and Cupertino (flutter/flutter#193283) 2026-09-28 zarah@google.com Fix doc references to Material and Cupertino in the widgets library and its tests (flutter/flutter#193334) 2026-09-26 kevmoo@users.noreply.github.com wasm: enforce WasmGC opt-in capability checks and Firefox < 147 guard (flutter/flutter#193180) 2026-09-26 43054281+camsim99@users.noreply.github.com [Android] Refuse external setters of engine entrypoint and cached engine arguments via `Intent`s (flutter/flutter#190249) 2026-09-26 1961493+harryterkelsen@users.noreply.github.com [web] Unskip TextPainter.getWordBoundary test (flutter/flutter#193378) 2026-09-26 bkonyi@google.com Specify non-obvious types in pattern variable declarations (flutter/flutter#192632) 2026-09-26 30870216+gaaclarke@users.noreply.github.com Removes feedback loop from advanced filters without offscreen msaa and framebufferfetch (flutter/flutter#193306) 2026-09-26 1961493+harryterkelsen@users.noreply.github.com [web] Unskip 8 passing image tests in painting and rendering (flutter/flutter#193377) 2026-09-26 154381524+flutteractionsbot@users.noreply.github.com Revert: Allow resetting test invariants in `addTearDown` (flutter/flutter#193383) 2026-09-25 bkonyi@google.com [tool] Migrate CoverageCollector to modular dependency injection (flutter/flutter#192924) 2026-09-25 zarah@google.com Fix more unresolved doc comment references (flutter/flutter#193336) 2026-09-25 dkwingsmt@users.noreply.github.com Allow resetting test invariants in `addTearDown` (flutter/flutter#192082) 2026-09-25 jhy03261997@gmail.com [a11y] Add a semantics role for slider (flutter/flutter#193324) 2026-09-25 stuartmorgan@google.com Fix plugin tests after Pigeon plugin template changes (flutter/flutter#193302) 2026-09-25 jesswon@google.com [Android 17] Bump Standard Test Apps in flutter/flutter to AGP 9.3.1 (flutter/flutter#193263) 2026-09-25 97480502+b-luk@users.noreply.github.com SSBO-based gradients in UberSDF (flutter/flutter#192962) 2026-09-25 robert.ancell@canonical.com [Linux] Handle FlView being destroyed before rendering is complete. (flutter/flutter#193268) 2026-09-25 bkonyi@google.com [flutter_tools] Handle Windows reserved characters in test target path (flutter/flutter#191900) 2026-09-25 sneurlax@gmail.com docs(tools): nit: say hook/build.dart in CMake native assets comment (flutter/flutter#192205) 2026-09-25 kevmoo@users.noreply.github.com [web] Enable Firefox Skwasm UI CI suites, configure COI configs, and fail fast on loader rejections (flutter/flutter#193187) 2026-09-25 jesswon@google.com [Android 17] Bumped Engine Dependencies to 9.3.1 (flutter/flutter#193265) 2026-09-25 kevmoo@users.noreply.github.com [web] Omit group role on menu scrollables and assign region role to named routes (flutter/flutter#192965) 2026-09-25 engine-flutter-autoroll@skia.org Roll Skia from 8eedeed98e79 to f441ca223b2b (5 revisions) (flutter/flutter#193353) 2026-09-25 engine-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from EbPpoJW-Lnsu-8dyZ... to ukukV5lEkKabtOATk... (flutter/flutter#193326) 2026-09-25 engine-flutter-autoroll@skia.org Roll Packages from 431ea69 to e55e7ac (6 revisions) (flutter/flutter#193351) 2026-09-25 139053348+shikharish@users.noreply.github.com Support DynamicLibrary.codeAsset in Flutter (flutter/flutter#188947) 2026-09-25 engine-flutter-autoroll@skia.org Roll Dart SDK from 75d9e87d4e3d to 0e7642b85457 (1 revision) (flutter/flutter#193346) 2026-09-25 15619084+vashworth@users.noreply.github.com Exclude iOS PRs from macOS link (flutter/flutter#193315) 2026-09-25 engine-flutter-autoroll@skia.org Roll Skia from 6357608543ec to 8eedeed98e79 (4 revisions) (flutter/flutter#193341) 2026-09-25 engine-flutter-autoroll@skia.org Roll Dart SDK from d3aedb186aab to 75d9e87d4e3d (3 revisions) (flutter/flutter#193335) 2026-09-25 nickolasdeluca@live.com Cache the paint offset adjusted line metrics in TextPainter (flutter/flutter#191223) ...
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Hold a reference to the child widgets in case there are destroyed externally from FlView. If destroyed, drop any frames.
Fixes #192873