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[vector_graphics] Don't report a handled loading error as unhandled - #13315
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_loadPicture's whenComplete returns a future carrying the load's error that nothing listens to, so an asynchronous loading failure (an asset that fails to load, for instance) is reported to the zone as unhandled even though _loadAssetBytes catches it and errorBuilder shows it.
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This pull request addresses an issue where asynchronous loading failures in VectorGraphic were reported as unhandled exceptions. The fix applies .ignore() to the future returned by result.whenComplete in vector_graphics.dart. The changes also include a new widget test to verify asynchronous error handling, a mock AsyncThrowingBytesLoader, and a version bump to 1.2.4 in pubspec.yaml and CHANGELOG.md. There are no review comments, and I have no feedback to provide.
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Thanks, @mtallenca. Sending to @gaaclarke for second review. |
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flutter/packages@10a178c...618afba 2026-10-20 [email protected] [pigeon] add version checking for objective_c and jni dependencies (flutter/packages#13283) 2026-10-19 [email protected] [go_router_builder] Adopt shared analyzer helpers from source_helper: ^1.4.0 (flutter/packages#13337) 2026-10-19 [email protected] [pigeon] fix instance manager test flake (flutter/packages#13303) 2026-10-19 [email protected] [vector_graphics] Don't report a handled loading error as unhandled (flutter/packages#13315) 2026-10-19 [email protected] [file_selector_macos] Drop deprecated allowedFileTypes code path (flutter/packages#13302) 2026-10-19 [email protected] [shared_preferences_android] Update androidx.datastore:datastore to 1.2.1 (flutter/packages#13334) 2026-10-19 [email protected] [in_app_purchase_storekit] Suppress StoreKit 1 deprecation warnings (flutter/packages#13301) 2026-10-19 [email protected] [camera_avfoundation] Fix Swift analyzer issue _captureSessionQueue (flutter/packages#13332) 2026-10-19 [email protected] [material_ui] Unskip web tests that pass on CanvasKit and Skwasm: color_scheme_test, elevated_button_test, filled_button_test, icon_button_test (flutter/packages#13327) 2026-10-19 [email protected] [in_app_purchase_android] Update to Play Billing Library 9.1.0 (flutter/packages#12781) 2026-10-19 [email protected] [webview_flutter_wkwebview] Require iOS 15 / macOS 12 and drop deprecated SecTrustGetCertificateAtIndex code path (flutter/packages#13294) If this roll has caused a breakage, revert this CL and set the roller to dry run mode using the controls here: https://autoroll.skia.org/r/flutter-packages-flutter-autoroll Please CC [email protected] on the revert to ensure that a human is aware of the problem. To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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flutter/packages@10a178c...618afba 2026-10-20 [email protected] [pigeon] add version checking for objective_c and jni dependencies (flutter/packages#13283) 2026-10-19 [email protected] [go_router_builder] Adopt shared analyzer helpers from source_helper: ^1.4.0 (flutter/packages#13337) 2026-10-19 [email protected] [pigeon] fix instance manager test flake (flutter/packages#13303) 2026-10-19 [email protected] [vector_graphics] Don't report a handled loading error as unhandled (flutter/packages#13315) 2026-10-19 [email protected] [file_selector_macos] Drop deprecated allowedFileTypes code path (flutter/packages#13302) 2026-10-19 [email protected] [shared_preferences_android] Update androidx.datastore:datastore to 1.2.1 (flutter/packages#13334) 2026-10-19 [email protected] [in_app_purchase_storekit] Suppress StoreKit 1 deprecation warnings (flutter/packages#13301) 2026-10-19 [email protected] [camera_avfoundation] Fix Swift analyzer issue _captureSessionQueue (flutter/packages#13332) 2026-10-19 [email protected] [material_ui] Unskip web tests that pass on CanvasKit and Skwasm: color_scheme_test, elevated_button_test, filled_button_test, icon_button_test (flutter/packages#13327) 2026-10-19 [email protected] [in_app_purchase_android] Update to Play Billing Library 9.1.0 (flutter/packages#12781) 2026-10-19 [email protected] [webview_flutter_wkwebview] Require iOS 15 / macOS 12 and drop deprecated SecTrustGetCertificateAtIndex code path (flutter/packages#13294) If this roll has caused a breakage, revert this CL and set the roller to dry run mode using the controls here: https://autoroll.skia.org/r/flutter-packages-flutter-autoroll Please CC [email protected] on the revert to ensure that a human is aware of the problem. To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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_VectorGraphicWidgetState._loadPictureregistersresult.whenComplete(...)to clear_pendingPictures, and drops the future thatwhenCompletereturns. That future completes withresult's error and nothing listens to it, so every asynchronous loading failure — an asset whose fetch fails on web when the network drops, for instance — is reported to the zone as unhandled, even though_loadAssetBytescatches the same error anderrorBuildershows it. Crash reporters record these as fatal.The dropped future is now
.ignore()d.resultitself is unchanged, so_loadAssetBytesstill sees the error and showserrorBuilderas before.The existing
can handle errors from bytes loadertest didn't catch this because its loader throws synchronously, beforewhenCompleteis reached. The new test uses a loader whoseloadBytesisasync; it fails without the fix with theUnimplementedErrorreported by the test framework.Fixes flutter/flutter#194705.
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[shared_preferences]///).Footnotes
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