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Migrate to an embedder API that exposes hot restart as two phases (begin and end)

package:build_web_compilers

Status: Open.

#4928 In dart-lang/build;

· nshahan opened on May 15, 2026

Config changes over --workspace and package builds not handled correctly

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

Status: Open.

#4920 In dart-lang/build;

· davidmorgan opened on May 12, 2026

build_runner build --workspace applies root build.yaml rules to each submodule without build.yaml

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

Status: Open.

#4916 In dart-lang/build;

· sikrinick opened on May 8, 2026

build_web_compilers generates invalid data-main URL on WebKit when Error.stack frames start with @http://

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

Status: Open.

#4906 In dart-lang/build;

· insinfo opened on Apr 30, 2026

--json output for build_runner

package:build_runner

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

Status: Open.

Feature

#4886 In dart-lang/build;

· kevmoo opened on Apr 22, 2026

--delete-conflicting-outputs ignored by PostProcessBuilder

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

Status: Open.

#4402 In dart-lang/build;

· Tienisto opened on Mar 14, 2026

Investigate build_runner IDE integration using an analyzer plugin

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

Status: Open.

#4378 In dart-lang/build;

· davidmorgan opened on Mar 3, 2026

Lint experimental_member_use

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

package:mockito

type-enhancementA request for a change that isn't a bugA request for a change that isn't a bug

Status: Open.

#4602 In dart-lang/build;

· BetterB0y opened on Feb 16, 2026

buildStep.writeAsString within PostProcessBuilder does not produce any files

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

Status: Open.

#4364 In dart-lang/build;

· Tienisto opened on Feb 15, 2026

flutter pub run does not check for freshness

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

Status: Open.

#4321 In dart-lang/build;

· knottx opened on Jan 14, 2026

[FEATURE REQUEST] Option to Pause Dart Analysis Server During Code-Generating Builders

type-enhancementA request for a change that isn't a bugA request for a change that isn't a bug

Status: Open.

#4319 In dart-lang/build;

· gmpassos opened on Jan 7, 2026

Document that --define requires string values to be json encoded when containing certain characters

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

Status: Open.

#4310 In dart-lang/build;

· schultek opened on Dec 18, 2025