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Spurious 'incompatible types' conversion error in 2D array intializer

Severity:RegressionPRs that fix regressionsPRs that fix regressions

Status: Open.

Bug

#23900 In dlang/dmd;

· dkorpel opened on Sep 22, 2026

-check=nullderef doesn’t check nested structs

Status: Open.

#23898 In dlang/dmd;

· Ogi-kun opened on Sep 21, 2026

Parallel GC has intermittent long collection pauses under single-CPU affinity on Windows and WSL2

Druntime:GCIssues relating the Garbage CollectorIssues relating the Garbage Collector

Status: Open.

#23885 In dlang/dmd;

· jmh530 opened on Sep 18, 2026

DIP1000 accepts escaping stack-backed slice through core.lifetime.forward

dip1000memory safety with scope, ref, returnmemory safety with scope, ref, return

Severity:safe@safe code@safe code

Status: Open.

Bug

#23878 In dlang/dmd;

· jmh530 opened on Sep 18, 2026

Release/nightly builds don't run the validation smoke-tests

Infrastructure:Continuous Integration

Status: Open.

#23867 In dlang/dmd;

· kinke opened on Sep 16, 2026

can no longer take address or static .init of stat_t.st_mtime

Status: Open.

#23857 In dlang/dmd;

· huglovefan opened on Sep 15, 2026

Unary + vector operation is not supported

Status: Open.

#23854 In dlang/dmd;

· Ogi-kun opened on Sep 14, 2026

Try to make a simpler error message for /++/ containing a string containing +/

Diagnostic Messages

Status: Open.

Feature

#23853 In dlang/dmd;

· CaradasProudfoot opened on Sep 14, 2026

Bad error messages when parsing self referencing and a mixin

Status: Open.

#23847 In dlang/dmd;

· crazymonkyyy opened on Sep 13, 2026

[REG master] Can't use C++ new/delete with UCRT MinGW fallback

Status: Open.

#23813 In dlang/dmd;

· tim-dlang opened on Sep 8, 2026

Add is-expression or __traits for Dynamic Arrays

Feature:traitsRelating to __traitsRelating to __traits

Status: Open.

#23784 In dlang/dmd;

· LightBender opened on Sep 4, 2026

pragma(inline) ignored in template mixin declaration initializers

Status: Open.

#23766 In dlang/dmd;

· limepoutine opened on Sep 1, 2026