Alexander Aprelev

The test seems to expect https://github.com/dart-lang/co19/blob/baa1dd9ca815d468720d9f456e7f7498845222dc/LibTest/io/WebSocket/length_A01_t01.dart#L30 that the `length` Future will get resolved before websocket gets closed. This seems to be racy.

Example of flaky test is https://github.com/dart-lang/sdk/issues/56706 It seems that either the temp name generation method should add some file uniqueness checks before handing out generated result, or https://api.flutter.dev/flutter/package-file_file/Directory/createTempSync.html should be...

On Windows file deletion might fail with `The process cannot access the file because it is being used by another process.` I believe these should be ignored during test cleanup...

Roll to dart 3.7.0-267.0.dev

1

Changes since last roll: ``` fc5db8ea927 Version 3.7.0-267.0.dev 601e85438f3 [tests] Cascade tests for static member and constructor enum shorthands. 4093bdaf5a8 [vm] Change try-catch IL representation. b3ab7e274c5 Elements. Migrate lib/src/generated/ffi_verifier.dart 6e5fb8baa16...

sharing should be limited to "trivially shareable types" for now

2

Per https://github.com/dart-lang/language/blob/main/working/333%20-%20shared%20memory%20multithreading/proposal.md#shared-fields sharing should be only limited to trivially shareable types: " ...limit shared fields by allowing only _trivially shareable types_, which include: - Objects which do not contain mutable...

Performance page slow to load on Linux

9

Dev tools peformance tab takes over 10 seconds to load, compared to just 2 seconds for observatory [launch-performance-tab-devtools.webm](https://github.com/flutter/devtools/assets/381137/ab49803c-36ac-4843-a628-c9c49658ff8b) [observatory-timeline-launch.webm](https://github.com/flutter/devtools/assets/381137/632e6dd8-5d34-4e58-a144-291ced2b4063) This is on a simple dart app: ``` $ cat i1.dart...

pkg/perf_witness/test/recorder_server_test fails on windows bots

2

https://dart-ci.appspot.com/log/pkg-win-release/unittest-asserts-release-win-x64/35370/pkg/perf_witness/test/recorder_server_test ``` --- Command "vm" (took 54.000451s): set DART_CONFIGURATION=ReleaseX64 & set DART_SUPPRESS_WER=1 & set CHROME_PATH=C:\b\s\w\ir\third_party\browsers\chrome\Chrome\Application\chrome.exe & out\ReleaseX64\dart-sdk\bin\dart.exe --enable_asserts -Dtest_runner.configuration=unittest-asserts-release-win-x64 --ignore-unrecognized-flags --packages=C:\b\s\w\ir\.dart_tool\package_config.json C:\b\s\w\ir\pkg\perf_witness\test\recorder_server_test.dart exit code: 255 stdout: 00:00 +0: Recorder and...

https://ci.chromium.org/ui/p/dart/builders/ci.sandbox/fuzz-linux/4916/overview ``` swarming_bot_logs: 2025-12-06 03:38:07.586: run_command(['/b/s/w/ir/out/ReleaseX64/dart', 'runtime/tools/dartfuzz/dartfuzz_test.dart', '--isolates', '8', '--no-show-stats', '--time', '1800', '--shards=50', '--shard=28', '--output-directory=/b/s/w/ioft8bcf7r'], /b/s/w/ir, 3600.0, 30.0, False, Containment) SHARD 28 OF 50 ** **** Dart Fuzz Testing Session...

dart analyzer doesn't invalidate .dartServer cache

3

dart->flutter roller failed once https://github.com/flutter/flutter/pull/179502, then succeeded on the next roll seemingly without any actual fixes landing. When troubleshooting this locally, I saw reported analyzer finding ``` /p/f/f1/flutter/packages/flutter $ ~/p/f/f1/flutter/bin/flutter...