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Dart2JS should inline spreads of literals in collections

area-web-jsIssues related to JavaScript support for Dart Web, including DDC, dart2js, and JS interop.Issues related to JavaScript support for Dart Web, including DDC, dart2js, and JS interop.

type-performanceIssue relates to performance or code sizeIssue relates to performance or code size

web-dart2js

Status: Open.

#62226 In dart-lang/sdk;

· lrhn opened on Dec 11, 2025

VM compiler should inline spread of literals.

area-vmUse area-vm for VM related issues, including code coverage, and the AOT and JIT backends.Use area-vm for VM related issues, including code coverage, and the AOT and JIT backends.

type-performanceIssue relates to performance or code sizeIssue relates to performance or code size

Status: Open.

#62225 In dart-lang/sdk;

· lrhn opened on Dec 11, 2025

Analyzer "Missing concrete implementation of ..." error messages have poor argument text.

area-devexpFor issues related to the analysis server, IDE support, linter, `dart fix`, and diagnostic messages.For issues related to the analysis server, IDE support, linter, `dart fix`, and diagnostic messages.

devexp-ux

P3A lower priority bug or feature requestA lower priority bug or feature request

type-bugIncorrect behavior (everything from a crash to more subtle misbehavior)Incorrect behavior (everything from a crash to more subtle misbehavior)

Status: Open.

#62224 In dart-lang/sdk;

· srawlins opened on Dec 11, 2025

The Dart Analyzer has terminated.

Status: Open.

#62223 In dart-lang/sdk;

· SVbalu7 opened on Dec 11, 2025

Massive lag spikes in code analysis (> 70 seconds)

area-devexpFor issues related to the analysis server, IDE support, linter, `dart fix`, and diagnostic messages.For issues related to the analysis server, IDE support, linter, `dart fix`, and diagnostic messages.

Status: Open.

#62222 In dart-lang/sdk;

· Dampfwalze opened on Dec 10, 2025

Out-of-bounds access by dart:ffi passing struct by value

area-vmUse area-vm for VM related issues, including code coverage, and the AOT and JIT backends.Use area-vm for VM related issues, including code coverage, and the AOT and JIT backends.

library-ffi

sanitizerFound with sanitizer testing (ASAN, LSAN, MSAN, TSAN, UBSAN)Found with sanitizer testing (ASAN, LSAN, MSAN, TSAN, UBSAN)

type-bugIncorrect behavior (everything from a crash to more subtle misbehavior)Incorrect behavior (everything from a crash to more subtle misbehavior)

Status: Open.

#62221 In dart-lang/sdk;

· rmacnak-google opened on Dec 10, 2025

Messages yaml on linter should note running the analyzer generator too

area-devexpFor issues related to the analysis server, IDE support, linter, `dart fix`, and diagnostic messages.For issues related to the analysis server, IDE support, linter, `dart fix`, and diagnostic messages.

Status: Open.

#62220 In dart-lang/sdk;

· FMorschel opened on Dec 10, 2025

DartCode/Analyzer: "Find All References" can't find dot-shorthand references to constructors if type name is never mentioned

area-devexpFor issues related to the analysis server, IDE support, linter, `dart fix`, and diagnostic messages.For issues related to the analysis server, IDE support, linter, `dart fix`, and diagnostic messages.

Status: Open.

#62219 In dart-lang/sdk;

· mernen opened on Dec 10, 2025

[wasm] Improve the output of JavaScriptError

area-dart2wasmIssues for the dart2wasm compiler.Issues for the dart2wasm compiler.

web-js-interopIssues that impact all js interopIssues that impact all js interop

Status: Open.

#62218 In dart-lang/sdk;

· kevmoo opened on Dec 10, 2025

Consider supporting min browser versions as options to dart2wasm

area-dart2wasmIssues for the dart2wasm compiler.Issues for the dart2wasm compiler.

Status: Open.

#62215 In dart-lang/sdk;

· biggs0125 opened on Dec 9, 2025

[server_plugins] Race during plugin startup/restart can result in "Null check operator used on a null value" when applying document changes

area-devexpFor issues related to the analysis server, IDE support, linter, `dart fix`, and diagnostic messages.For issues related to the analysis server, IDE support, linter, `dart fix`, and diagnostic messages.

devexp-plugin

P2A bug or feature request we're likely to work onA bug or feature request we're likely to work on

type-bugIncorrect behavior (everything from a crash to more subtle misbehavior)Incorrect behavior (everything from a crash to more subtle misbehavior)

Status: Open.

#62214 In dart-lang/sdk;

· DanTup opened on Dec 9, 2025

Analyzer ignores analysis_options excludes when file is passed directly

area-devexpFor issues related to the analysis server, IDE support, linter, `dart fix`, and diagnostic messages.For issues related to the analysis server, IDE support, linter, `dart fix`, and diagnostic messages.

devexp-serverIssues related to some aspect of the analysis serverIssues related to some aspect of the analysis server

P3A lower priority bug or feature requestA lower priority bug or feature request

type-bugIncorrect behavior (everything from a crash to more subtle misbehavior)Incorrect behavior (everything from a crash to more subtle misbehavior)

Status: Open.

#62213 In dart-lang/sdk;

· EArminjon opened on Dec 9, 2025