compiler: introduce `@Restrict` builtin

std.os.windows: avoid dragging in baggage on non-windows

delete behavior test that depends on std.fmt

std.fmt: delete deprecated APIs

zig_clang: fix ZigClangAPValueLValueBase struct layout to match Clang 21

Populate MSG struct for OpenBSD (#25076)

Merge pull request #25077 from ziglang/GenericReader

Merge pull request #25055 from ziglang/llvm21

Revert "std.Io.Reader: work around llvm backend bug"

std.Io: delete CountingReader

Merge pull request #25036 from ziglang/GenericWriter

LLVM backend:fix align 1 sret parameter load returned

ci: update to QEMU 10.1.0

Merge pull request #25045 from kada49/libc/common-impl-ceil

process.totalSystemMemory: Avoid overflow on Linux when totalram is a 32-bit usize

Reader.appendRemaining: Take ownership of the full allocated slice

AstGen: forward result type through unary float builtins

std.debug: remove `@frameAddress()` "UAF"

std.os.uefi: fix type error at MemoryType.format()

std.os.linux: powerpc syscalls clobber ctr and xer

x86_64: fix multiplication overflow detection with adx

delete some vestigal dead code

Merge pull request #25034 from ziglang/lzma

Fix TLS 1.2 client key exchange to use negotiated named group (#25007)

std.c: add correct SOMAXCONN for BSDs

libc: use zig isnan and derivates for mingw

Remove memcmp and memset from bundled musl and wasi

std.Build.WebServer: fix race

std.Build.Step.Compile: fix race condition in args file creation

`std.ArrayList`: add `insertSliceAssumeCapacity()` and `insertSliceBounded()` (#24978)

std.Target: add vita os

std.Build.Step.TranslateC: forward --cache-dir and --global-cache-dir flags

zig cc: don't pass -mcmodel for assembly files

add macOS handling for totalSystemMemory (#24903)

os.linux: faccessat wrapper prefer to faccessat syscall when flags is zero.

Adds non allocating alternatives to ZON parse functions (#22916)

Fix #24999: copy left-overs before we XOR into c. (#25001)

Merge pull request #24995 from alexrp/ubsan-rt-hidden

start adding big endian RISC-V support

delete std.debug.FixedBufferReader

std.zig.system: fix check for sparc "v8+" in getExternalExecutor()

Add `test-obj` to the help message

lib: Reword documentation for realloc to clarify size

fix: fix typo in comment by removing repeated 'business' word

Update powi.zig to fix docstring formatting

Merge pull request #24960 from ziglang/MemoryAccessor

std.fs.Dir: fix updateFile() to flush the file before updating its times

Merge pull request #24926 from mrjbq7/http-fetch

chore(std.Target): explicitly set baseline only to `arm` with 3ds

test(llvm_targets): remove unused thumb-3ds

chore(std.Target): document the 3ds version range

feat(std.Target): add 3ds os

std: remove lossy int to float coercion on json parse

langref: update nav link

Merge pull request #24921 from Justus2308/messy-mach

zig reduce: adapt to new Writer API

langref: sync with zig-spec grammar.peg

drop NameTooLong from sysctlbynameZ error set (#24909)

std.os.uefi: Fix typo that causes compile time error #22809"

Add mlock syscalls to std.c and std.posix

Use readStreaming, not readPositional, for streaming file readVec on Windows

wasi-libc: update to c89896107d7b57aef69dcadede47409ee4f702ee

expose darwin.PT in std.c

Fix bugs in Windows readVec implementations

std.Io.Writer: fix upper case hex float formatting

never advance seek position in `std.Io.Reader.peekDelimiterExclusive` (#24899)

update .mailmap

start the 0.16.0 release cycle

Release 0.15.0

std.http.Client: discard response body when reusing connection

Expanded std.os.linux perf-related definitions (#24264)

Merge pull request #24249 from antlilja/dwarf-extern-arg

Compilation: fix compiler_rt and ubsan_rt strategy logic

spirv: do not decorate nav alignment

langref: add documentation for unions with inferred tag and explicit tag values

http.BodyWriter: improve clarity of chunked state machine

Merge pull request #24864 from ifreund/fix-std-cmd

Build.Step.Run: fix missing stdin buffer and flush

Merge pull request #24874 from ziglang/tls-client

Compilation: remove last instance of deprecatedReader

Compilation: retain ZCU object when emitting unstripped Mach-O binary

[std] fix compile error in std.Io.Writer.failing

implement registering NAPI on IoUring (#24850)

zstd: Protect against index out-of-bounds when decoding sequences

re-enable std.math.modf vector tests (#24786)

std.Build: improve error for peak RSS exceeding declared value

std.math: Add splat for vectors of u0s in rotl/rotr (#24822)

zon: Add anonymous struct literal in the example

disable failing test on windows

Zcu: don't tell linkers about exports if there are compile errors

zig translate-c: don't forget to flush

std.compress.zstd.Decompress fixes

Merge pull request #24856 from jacobly0/aarch64-oom

crypto/aes_ocb.zig: actually check against test vectors (#24835)

fix: print error set members in a consistent order

std.fs.File.Reader: fix freestanding build failures

Merge pull request #24702 from The-King-of-Toasters/syscall-tables

zstd.Decompress.stream: Fix handling of skippable frames in new_frame state

Merge pull request #24847 from squeek502/zstd-partial-magic

zig fmt: add tests for cast builtin canonicalization