List view

variable modification inside capture breaks "local variable is never mutated" checks

error messageThis issue points out an error message that is unhelpful and should be improved.This issue points out an error message that is unhelpful and should be improved.

Status: Closed (completed).

#18201 In ziglang/zig;

· by matu3ba was closed on Jan 30, 2026

RFC: add the std.Build.fail function and std.Build.FailStep struct

acceptedThis proposal is planned.This proposal is planned.

proposalThis issue suggests modifications. If it also has the "accepted" label then it is planned.This issue suggests modifications. If it also has the "accepted" label then it is planned.

standard libraryThis issue involves writing Zig code for the standard library.This issue involves writing Zig code for the standard library.

zig build systemstd.Build, the build runner, `zig build` subcommand, package managementstd.Build, the build runner, `zig build` subcommand, package management

Status: Closed (completed).

#15373 In ziglang/zig;

· by perillo was closed on Jun 17, 2024

Default value in tuple leads to weird behaviour.

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

Status: Closed (completed).

#15393 In ziglang/zig;

· by freakmangd was closed on Nov 6, 2024

Cant open slave side of pty

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

standard libraryThis issue involves writing Zig code for the standard library.This issue involves writing Zig code for the standard library.

Status: Closed (completed).

#15781 In ziglang/zig;

· by leath-dub was closed on Aug 7, 2024

std.meta.Tuple can't handle slice of type array

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

frontendTokenization, parsing, AstGen, Sema, and Liveness.Tokenization, parsing, AstGen, Sema, and Liveness.

Status: Closed (completed).

#15822 In ziglang/zig;

· by iacore was closed on Jul 5, 2024

Doc Comment of Structure EpochSeconds cites epoch start at Oct 1, 1970

docs

Status: Closed (completed).

#15624 In ziglang/zig;

· by MarkusXBoehm was closed on Aug 16, 2024

Incremental compilation tests fail with extra <code>start.zig</code> logic enabled

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

frontendTokenization, parsing, AstGen, Sema, and Liveness.Tokenization, parsing, AstGen, Sema, and Liveness.

incremental compilationProblem occurs only when reusing compiler state.Problem occurs only when reusing compiler state.

Status: Closed (completed).

#15174 In ziglang/zig;

· by jacobly0 was closed on Oct 16, 2024

Sporadic 'index out of bounds' panic in tls client

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

standard libraryThis issue involves writing Zig code for the standard library.This issue involves writing Zig code for the standard library.

Status: Closed (completed).

#15226 In ziglang/zig;

· by cryptocode was closed on Jul 12, 2024

Invalid pointer casts permitted by in-memory coercion to covariant types

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

Status: Closed (completed).

#15874 In ziglang/zig;

· by mlugg was closed on Dec 16, 2024

link Library doesn't work on windows with sharedlibrary in build.zig

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

os-windowsMicrosoft WindowsMicrosoft Windows

Status: Closed (completed).

#15903 In ziglang/zig;

· by gurpreetshanky was closed on Oct 23, 2024

compiler perf: eliminate call graph cycle of codegen backends calling into Sema

enhancementSolving this issue will likely involve adding new logic or components to the codebase.Solving this issue will likely involve adding new logic or components to the codebase.

frontendTokenization, parsing, AstGen, Sema, and Liveness.Tokenization, parsing, AstGen, Sema, and Liveness.

optimization

Status: Closed (completed).

#15899 In ziglang/zig;

· by andrewrk was closed on Jul 16, 2024

String literal sentinel is 0xAA if it's dereferenced from a <code>const</code>

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

Status: Closed (completed).

#15944 In ziglang/zig;

· by squeek502 was closed on Jul 4, 2024

Compile error when trying to use std.fmt on u65535

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

Status: Closed (completed).

#15937 In ziglang/zig;

· by quentin-k was closed on Sep 20, 2024

Payload Capture Syntax and Semantics

proposalThis issue suggests modifications. If it also has the "accepted" label then it is planned.This issue suggests modifications. If it also has the "accepted" label then it is planned.

Status: Not planned (skipped).

#15086 In ziglang/zig;

· by ZoloZithro was closed on Feb 9, 2025

Give more info when a UB trap is detected in zig cc debug mode

enhancementSolving this issue will likely involve adding new logic or components to the codebase.Solving this issue will likely involve adding new logic or components to the codebase.

zig ccZig as a drop-in C compiler featureZig as a drop-in C compiler feature

Status: Closed (completed).

#5163 In ziglang/zig;

· by rivten was closed on Feb 26, 2025

delete the ability to access a function parameter name from reflection

acceptedThis proposal is planned.This proposal is planned.

proposalThis issue suggests modifications. If it also has the "accepted" label then it is planned.This issue suggests modifications. If it also has the "accepted" label then it is planned.

Status: Closed (completed).

#6534 In ziglang/zig;

· by andrewrk was closed on Feb 10, 2025

Incorrect C ABI returning struct on MIPS

arch-mips32-bit MIPS32-bit MIPS

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

Status: Closed (completed).

#21322 In ziglang/zig;

· by vesim987 was closed on Sep 8, 2024

compiler_rt function <code>__subdf3</code> calls itself

abi-sfThe software floating point ABI for various architecturesThe software floating point ABI for various architectures

backend-llvmThe LLVM backend outputs an LLVM IR Module.The LLVM backend outputs an LLVM IR Module.

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

miscompilationThe compiler reports success but produces semantically incorrect code.The compiler reports success but produces semantically incorrect code.

upstreamAn issue with a third party project that Zig uses.An issue with a third party project that Zig uses.

Status: Closed (completed).

#13266 In ziglang/zig;

· by leecannon was closed on Aug 29, 2024

unable to link shared object for mipsel-linux: lld: error: can't create dynamic relocation R_MIPS_32 against symbol: DW.ref.__gxx_personality_v0 in readonly segment

arch-mips32-bit MIPS32-bit MIPS

os-linuxLinuxLinux

Status: Closed (completed).

#4925 In ziglang/zig;

· by andrewrk was closed on Feb 24, 2025

error: unknown emulation: elf32_sparc

arch-sparc32-bit SPARC32-bit SPARC

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

Status: Closed (completed).

#15894 In ziglang/zig;

· by RodrigoDornelles was closed on Aug 16, 2024

Segfault cc target riscv32-linux

arch-riscv3232-bit RISC-V32-bit RISC-V

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

os-linuxLinuxLinux

zig ccZig as a drop-in C compiler featureZig as a drop-in C compiler feature

Status: Closed (completed).

#12212 In ziglang/zig;

· by RodrigoDornelles was closed on Jun 23, 2024

extract WriteSourceFileStep out from WriteFileStep

breakingImplementing this issue could cause existing code to no longer compile or have different behavior.Implementing this issue could cause existing code to no longer compile or have different behavior.

zig build systemstd.Build, the build runner, `zig build` subcommand, package managementstd.Build, the build runner, `zig build` subcommand, package management

Status: Closed (completed).

#14944 In ziglang/zig;

· by andrewrk was closed on Apr 19, 2025

Proposal: Decl Literals

acceptedThis proposal is planned.This proposal is planned.

proposalThis issue suggests modifications. If it also has the "accepted" label then it is planned.This issue suggests modifications. If it also has the "accepted" label then it is planned.

Status: Closed (completed).

#9938 In ziglang/zig;

· by SpexGuy was closed on Sep 1, 2024

CVE-2025-26519: musl libc: input-controlled out-of-bounds write primitive in iconv()

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

os-linuxLinuxLinux

upstreamAn issue with a third party project that Zig uses.An issue with a third party project that Zig uses.

Status: Closed (completed).

#22883 In ziglang/zig;

· by jedisct1 was closed on Feb 14, 2025

langref: document destructuring syntax

docs

Status: Closed (completed).

#18523 In ziglang/zig;

· by perillo was closed on Jan 28, 2025