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parallel thread doesn't work in finalizer

Status: Open.

#5397 In racket/racket;

· rmculpepper opened on Dec 10, 2025

Error when using future-visualizer on parallel threads

Status: Open.

#5394 In racket/racket;

· samth opened on Dec 9, 2025

[macOS] Runtime crash: <code>-redComponent not defined for the NSColor NSCustomColorSpace Device RGB colorspace</code>

Status: Open.

#5386 In racket/racket;

· barracuda156 opened on Dec 1, 2025

[Feature Request] Distinguish file non-existence from access errors

api designRelated to the design of core libraries and language featuresRelated to the design of core libraries and language features

feature requestFeature RequestFeature Request

Status: Open.

#5374 In racket/racket;

· LiberalArtist opened on Nov 9, 2025

bad error message for struct-out and free-identifier=? bindings

Status: Open.

#5362 In racket/racket;

· jesboat opened on Oct 29, 2025

Garbage collection triggered from FFI callback frees/moves <code>_string</code> memory that foreign code assumes is still valid

Status: Open.

#5356 In racket/racket;

· ThePuzzlemaker opened on Oct 21, 2025

Potential minor performance bug in <code>racket/match</code>

Status: Open.

#5355 In racket/racket;

· dpk opened on Oct 19, 2025

Cross-phase persistent submodules of non-xpp modules break with errortrace

Status: Open.

#5351 In racket/racket;

· jesboat opened on Oct 17, 2025

scribble/acmart: PDF generation fails due to math font loading issues on macOS

bugSomething isn't working correctlySomething isn't working correctly

Status: Open.

Bug

#5340 In racket/racket;

· wargrey opened on Sep 21, 2025

documentation for <code>apply</code> is inconsistent between the Reference and Guide

documentationIssues related to README and documentation (typos, rewording, new docs, etc)Issues related to README and documentation (typos, rewording, new docs, etc)

Status: Open.

#5330 In racket/racket;

· rxg opened on Sep 9, 2025

srfi/19: time-seconds inconsistent with spec (produces number? rather than integer?)

Status: Open.

#5329 In racket/racket;

· nxg opened on Sep 7, 2025

raco pkg migrate: match error when migrating from an install with a manually installed plt file

component: packageRelated to the package system (either raco pkg or the legacy PLaneT system) or similar toolingRelated to the package system (either raco pkg or the legacy PLaneT system) or similar tooling

Status: Open.

Bug

#5326 In racket/racket;

· samth opened on Sep 1, 2025