Releases · odin-lang/Odin

New Language Features

New Compiler Improvements

Improvements to building with Android
Add more asan support to the odin runtime and sanitizing for various allocators
Fix to compile-time and variable NaN comparisons
Fix to syscalls on NetBSD ARM64
Fix Darwin version reporting on older macOS versions
General compiler bug fixes
intrinsics.type_elem_type(simd_vector)
Fix Global/Static Variable Alignment
Fixes assigning null as a type if it's an alias but the base type is null
@(no_sanitize_address)
Support Objective-C class implementation
Add debug info for labels to Odin
intrinsics.type_integer_to_unsigned and intrinsics.type_integer_to_signed
Use --sysroot instead of -Wl,-syslibroot on Darwin
Fix global and static any usage
Re-enable static map calls on AMD64 SysV due to ABI fixes
Make odin help more precise
-dynamic-literals
Do not call disabled deferred procedures
Add /usr/local/lib to FreeBSD linker path
Add error with a suggestion when trying to extract an element from a #simd array, and prefer simd.extract
Only trim .odin from build filename
Keep shared libraries from calling main program's startup/cleanup procs on Linux
Add -build-only, -keep-test-executable, delete test executable after running
Enable all sanitizers on FreeBSD
RAD Debugger support through custom .raddbg section
- Default views for slices and matrices
Error on unterminated multi-line comment
Fix output of object names (#5241)
Add suggestions for quaternionN or complexN conversions

New Packages

base:sanitizer
vendor:windows/XAudio2
vendor:sdl3/ttf
core:terminal
core:encoding/ansi -> core:terminal/ansi

Package Improvements

Vectorize base:runtime.memory_*
core:net
- Rework errors to be cross-platform
- Replace default_tcp_options with a constant
core:container/small_array: Improve documentation for
core:sync/chan: Improve documentation
core:mem/tlsf: refactor, add free_all support, add automatic new pools
core:fmt: Fix printing for bit_set[Enum] when min(Enum) != 0
vendor/glfw
- fix SetMonitorCallback and MonitorProc type definition
- use b32 where appropriate
core:text/regex: Add iterator
core:math: Fix math.nextafter skipping from 0 to 1
vendor:wgpu:
- Update to 25.0.2.1
- Fix function name for wgpu.js genericGetAdapterInfo
- Correct mipmpaFilter field name in wgpu.js
core:time/timezone: preserve nanoseconds on calls
vendor:box2d:
- Update to 3.1.0
- Add missing field in box2d.BodyDef
- Make build_box2d.sh more flexible
core:container/priority_queue
- let it return runtime.Allocator_Error
- Fix off-by-one error in remove
core:sys/darwin/Foundation : Loads of additions and related stuff
vendor:sdl2: correct RWwrite signature
vendor:sdl3:
- Fix count output parameter of GetFullscreenDisplayModes
- Add Semaphore API
core:encoding/*, fix parsing of CDATA tags
core:time: add tick_add
core:encoding/cbor, fix slice overflow
core:os/os2: general improvements
vendor:wasm/WebGL: Fix incorrect parameter types
core:bufio: Fix typo from b.w-b.w to b.w-b.r
core:simd/x86: BMI/BMI2 intrinsics
base:intrinsics: alternate reduce_add/reduce_mul intrinsics
core:strconv, add support for hex-floats (0h)
vendor:raylib/rlgl add some missing functions
vendor:directx/d3d12
- add more FEATURE_DATA_OPTIONs
- Fix RESOURCE_STATE_ALL_SHADER_RESOURCE flags and add new HEAP_TYPE
core:encoding/json: when unmarshalling, only match on struct tags if present
vendor/miniaudio: update to 0.11.22
core:math/big: fix range check in int_atoi
Add comments to builtin.odin, documenting ODIN_* constants
vendor:windows/GameInput: fixes and tweaks
core:encoding/csv: Fix incorrect CSV reader settings for example
Vectorize strings.prefix_length

Full Changelog: dev-2025-04...dev-2025-06

New Language Features

New Compiler Improvements

Support LLVM 20.1
Fix Objective-C Selector and Class linking problems caused by a race condition
VERY Rudimentary support for Android:
- -subtarget:android for -target:linux_arm64
Numerous js_wasm32 improvements
Add ~{memory} clobber to syscalls intrinsics
Improve or_else type inference logic
Use Microsoft's "best practices" for using vswhere
General Bug Fixes which caused compiler crashes

New Packages

Package Improvements

Update vendor:sdl3 to 3.2.10
core:crypto
- General improvements
core:os/os2/path.odin rewrite from scratch
- Improved Documentation
- Remove dependency on core:path/filepath

New Language Features

New Compiler Improvements

Name Canonicalization
- Deterministic Name Mangling Rules for Symbols (Procedures, Variables, Debug Types, etc)
typeid layout change
- Always 8-bytes in size
- Represents a hash of the canonical name for the type
Improved generation times for odin doc
Allow -show-timings for odin doc
intrinsics.simd_extract_msbs
intrinsics.simd_extract_lsbs
for x in bit_set will use a count leading zeros intrinsics internally rather than checking each bit manually
General bug fixes for LLVM backend

New Packages

vendor:sdl3/image

Package Improvements

Update vendor:wgpu to v24
Improved documentation for core:simd
Minor fixes to SDL3 bindings
Support use of * in format strings without an index
NS.SavePanel_URL fix
Support %b for rune
os2 fixes
- Recursive directory walker
- Fix race conditions on Linux
- os2.random_string to use context.random_generator

New Language Features

Support #unroll(N) for with arrays

Compiler Improvements

Enable -use-separate-module as default for all platforms (except wasm based ones)
General Bug Fixes
Remove erroneous warnings regarding stack overflow in range loops "by reference"
Allow broadcasting of untyped values to #simd arrays
Improvements to -obfuscate-source-code-locations
Remove duplicates of .framework/.dynlib/.so in linker
Darwin: Sort frameworks to link first

New Packages

vendor:sdl3 (3.2.2)
vendor:windows/GameInput

Package Improvements

Improvements to D3D12 package
Improvements for Haiku
Add missing procedures to GLFW
runtime.map_entry
XInput bindings for core:sys/windows
More work on core:os/os2 development
More Objective-C bindings
Additional bindings and constants for core:sys/windows
mem.Tracking_Allocator defaults to panicking on bad frees

New Language Features

#+feature dynamic-literals
- All dynamic literals (maps and dynamic arrays) are disallowed by default to remove implicit allocations from Odin
- If the user wants to allow this, it can be enabled on a per-file basis by adding the above "build tag"
- Dynamic literals like the following:
  - [dynamic]int{1, 4, 9, 16}
  - map[string]int{"Apple" = 759, "Pear" = 128, "Gorilla" = 533}

Compiler Improvements

ensure/ensure_contextless
- Identical to assert/assert_contextless but is not removed with -disable-assert
Remove viral #force_inline and #force_no_inline
- Declaring a procedure with these tags would previously virally apply them to procedures called inside the subject procedure too, it now just affects the procedure it is applied to
Fix bug with comparisons with big endian types
Improve zeroing rules for resize_dynamic_array
Add implicit broadcasting for #simd arrays
map_entry (Docs)

New Packages

N/A

Package Improvements

Fixes to vendor:raylib
- Fixes to foreign imports after update to 5.5
- Allow for custom WASM link libraries
Allow custom WASM link libraries for vendor:box2d
Add trunc to core:math/linalg/glsl
Improvements to core:encoding/base32
Update vendor:cgltf to 1.14
Add xinput bindings to core:sys/windows
Fix to matrix adjugate procedure

New Language Features

N/A

Compiler Improvements

Fix windows args parser problem from issue #4393.
Suggestion when assigning enum to bit_set.
Suggest -microarch:native if popcnt 10000 instruction is missing.
List the supported targets using odin build . -targets:?.
Fix: build_odin.sh always runs demo regardless of argument.
Report error when builtin min/max has only one numeric parameter.
Add which to shell.nix to build with --pure.
Only error with -vet-cast when it is actually castable.
Fix #4508 for abs, min, max.
Rework macos version retrieval for odin report.
Updated NetBSD CI to pkgsrc Q3 release.
Check type_expr in check_procedure_param_polymorphic_type.
Add support for LLVM v19
Fix PowerShell version incompatibility in build.bat by adding misc\get-date.c utility.

New Packages

N/A

Package Improvements

Update vendor:raylib to v5.5.
Add vendor:raylib aliases for Is*Ready -> Is*Valid.
Add new test, better fail-check, and non-transitioning tz fix.
Fix random sequence bindings in vendor:raylib.
Added Unlinking Section to Posix Socket Binding Documentation.
Update scanner.odin.
Fix relative links in examples/README.md.
Correct zlib usage in doc.
Add core:slice.size.
reflect: add enum_value_has_name proc.
Increased the size of Javascript keyboard event key/code buffer size.
Add NSApplication bindings for mainWindow and keyWindow.
Add STICKYKEYS, TOGGLEKEYS, and FILTERKEYS to core:sys/windows.
Implemented inotify in core:sys/linux.
Fix integer type in UXTheme bindings.
os2: fix leak in dir_windows, fix netbsd, and add a test for dir reading.
[runtime] make(map[K]V) should not allocate any capacity.
Fix typo in the Quaternion dot product implementation.
Fix #config typo in Lua bindings.
Parsing fix for timezones that have an uneven number of utc / st tags.
Fix #4509
Fix unhandled unmarshal error.
Rework macos version retrieval for core:sys/info.
core:net: Fix DNS_RECORD.Data alignment error on Windows i386.
Fix math binomial proc giving wrong result.
Make O_RDONLY default for os.open on all platforms.
core:dynlib: Unload library before loading again & add LIBRARY_FILE_EXTENSION constant.
Correct handling newlines between build tags in core:odin.
Pass allocator to implicitly (de)allocating procs in core:log.
Use a proper Queue in core:thread.Pool
Fix core:text/regex's match_with_preallocated_capture returning num_groups.
Add linalg.clamp_length(vector, max_length) -> clamped_vector.
Improve strings.index_multi.
Add regression test for #4553.
core:encoding/json: Move struct field zipping outside of loop.

New Language Features

Compiler Improvements

General bug fixes
Fix 128-bit ABI issues caused by LLVM changes
Fix #load_directory containing directories
Add warning for unsigned >= 0 like conditions in a for loop

New Packages

core:time/timezone

Package Improvements

Numerous bug fixes
core:sys/posix Linux Support
Improvements to core:sys/darwin
Add missing bindings to rlgl
rand.choice_bit_set
slice.to_type
Improvements to js target APIs

New Language Features

Replace //+ syntax with #+
- Used in cases like #+build windows
#min_field_align and #max_field_align
- deprecate #field_align in favour of #min_field_align
- #max_field_align used in places where #pragma pack was used in some C compilers
#caller_expression

Compiler Improvements

ABI BREAKING CHANGE: How SysV handles multiple return values
- Matches the same behaviour as other platforms to pass multiple return values separately
Fix ABI for 128-bit integers since the breaking changes in LLVM 18 for WASM and AMD64
-vet-packages:<command-separated-string_array>
-vet-unused-procedures
Add -no-rpath
Simplify #row_major and matrix_flatten behaviour
Allow transmute(Bit_Set)~T(0)
Move many of the vendor:wasm/js package to core:sys/wasm/js
- Rename runtime.js to odin.js to be consistent

New Packages

Package Improvements

General improvement to documentation across the core library
core:sys/info: more CPU feature detection for RISC-V
core:time time.time_to_datetime
Add #any_int directive to built-in procedures that were missing it, to be consistent
More Objective-C Runtime Bindings
Improvements to core:container/bit_array
Improvements to C vararg behaviour and definitions and va_list
Improvements to atomic/sync/thread related operations
Improvements to core:sync/chan

New Language Features

Add support for linux_riscv64 and freestanding_riscv64

Compiler Improvements

Support RISC-V for the compiler itself
Fix crash if referencing import "aliased" in other file
Added a hint at end of build.bat about release mode when building in debug mode
Allow symlink test to work irrespective of git settings
Use another BSD URL for pkgsrc on CI
Fix type switching over internal pointer union
Fix c_vararg bit_set
Add table-driven (in)definite article to some errors.
Fix alias handling of procedures
riscv: add an error when atomics are used without the atomics extension
Remove extra format item at end of context error message
Fix inline transmutation of [16]i8 to i128
Fix 'odin [run|test] --' giving a compiler out of bounds
UL_COMPARE_AND_WAIT_SHARED is macOS 10.15+
query brew for llvm-config location if possible

New Packages

Add vendor:box2d
Add core:text/regex

Package Improvements

Add sdl2glue to vendor:wgpu package
Fix os.read_dir with symlinks
os.Error to replace os.Errno
core:image/common.odin Fixes
Prevent SIGPIPE on Darwin when writing to a closed core:net socket
Add reflect.struct_field_count that returns the number of fields in a struct type
Fix missing closing brace for Bit_Field in core:odin/parser
Fix SIMD intrinsics wording
Core sys windows rawinput code
Port core:net to FreeBSD
Allow testing for intentional leaks in test runner
Various core:encoding/cbor fixes
Various core:crypto improvements
Vectorize index_byte
Use intrinsics.reverse_bits in core:compress/zlib
Fix type_info_union_is_pure_maybe only working with regular pointers
Add support for field tags on bit_field fields to core:odin
Loop os.write_entire_file to write more than MAX_RW
[fmt] Add bit fields to the pointer printing logic
Fix os.read_dir closing the given file descriptor
Fix type hint propagation for shift
Let memory failures be errors in the test runner
Check if procedure parameter type declares polymorphic args
vendor:x11: Added a few procedures for xrandr, xinput, and xFixes
vendor:egl: Added a few more egl procedures and constants
core:time WASI implementation
core:sys/linux: Add binding to ioctl syscall + standard fd constants.
Update mem doc example formatting
Error if assigning to rodata variable with index
Report error when a variadic procedure parameter has a default value
core:sys/posix and core:os/os2 based on it (for darwin, netbsd, freebsd and openbsd)
Fix error handling in os2.read_entire_file_from_file()
add shm_open and shm_unlink syscalls for darwin
More Foundation bindings.
Add autogenerated orca bindings and macros from laytan
os2 process linux implementation
Improve benchmarks.
Check if file open-mode is O_CREATE on Darwin before forcing chmod
Fix open bindings
Fix log unnecessary allocations
(raygui) Restores vertical text alignment broken after 4.0 migration
Implement lshrti3 on wasm
Add core:math.count_digits_of_base
Remove deprecated log procs from core:testing
Fix SIMD var typo
Fix wiki link in the README.md
Add support for Linux on os/sys/posix termios.
A couple of foundation binding. Vet tabs.
core:sys/linux - implement clock_settime, clock_getres and clock_nanosleep
os2: process API for Darwin and most of it for BSDs
orca: implement core:time and core:log
Fix ambiguous generic type names
Added missing slice advancing.
Fix binding: Make rl.LoadImageAnim take a pointer instead of a multi-pointer.
Fix core:reflect/iterator.odin
Fix binding to cmark_node_get_fence_info
Fix win32 dwmapi DWMWINDOWATTRIBUTE enum.
os2: propagate errors from execv
Free the arenas allocated in test_core_runtime
Fix use-after-free in thread.Pool
Fix error for uuid to require 36 bytes instead 32 (4 bytes for dashes)
Fix -vet and -strict-style failures in tests
[os2/process]: Don't free process info fields in partial success scenarios
Add API for freeing thread_local state
wgpu: update to v22.1.0.1
Delay lexical checking for foreign blocks that are in file scope
-vet -strict-style -disallow-do in tests
Win32 clipboard procedures
os2: disable custom heap allocator
mem/virtual: use sysconf for retrieving page size and actually use these init procs
mem/virtual: make sure the given size is used for subsequent blocks
Add missing lexer checking delay for foreign blocks
Add core:io test suite
Add a file tag parser to core:odin/parser
Fix some issues with the "bad import name" errors
Add math.remap_clamped, which clamps the result in range [new_min, new_max]

New Language Features

Compiler Improvements

Update to LLVM 18.1.8
Force compiler source to be parsed as UTF-8 (Windows)
Improve various compiler-internal asserts
Fix #soa assignment bug
Add error for type_of(value of untyped type)
Remove *_test.odin; always compile it for all targets
Add -print-linker-flags
Allow x :: y when cond else proc(...){. 5E45 ..}
Allow using a precompiled Windows resource file with -resource:foo.res
Fix problem where the initial package's directory name ended in .odin
Fix check for whether executable output path is a directory

New Packages

Package Improvements

Add bindings for WOW64 API
Improve os.open for WASI
Support vendor:stb/truetype and vendor:fontstash on WASM
Fix linker errors with empty project for vendor:wgpu
Fix SDL constants
Fix alignment bug in mem.dynamic_pool and add tests for it
Fix reflect.as_pointer
Remove implicit allocator usage in core:dynlib
Fix utf8_to_wstring given zero bytes.
Add setenv and unsetenv for Darwin
Improve core:encoding/cbor
Remove syscall usage on Darwin to comply with Apple guidelines
Add some XKB extension procedures and constants to vendor:x11
Fix @(optimization_mode) usage in builtin collections
Add synonyms strings.starts_with and strings.ends_with as aliases
Allow overriding random generator in rand calls
Add documentation and example for core:container/intrusive/list
Update stb_truetype.odin
Add support of ignore tag for json.marshal
Allow json maps with int keys in marshal and unmarshal
Add Intel AES-NI support to core:crypto/aes
Improve rand.shuffle
Fix leak in core:encoding/ini and add tests for it
Document core:time, core:time/datetime, core:thread and core:sync
Add example and tests for vendor:lua
Many core:sys/windows improvements
Add json reporting to core:testing
Add time.to_string* formatters.
Clamp dot in linalg.angle_between to avoid precision errors.
Update RayGui procedures

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Releases: odin-lang/Odin 8000

dev-2025-06

New Language Features

New Compiler Improvements

New Packages

Package Improvements

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dev-2025-04

New Language Features

New Compiler Improvements

New Packages

Package Improvements

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dev-2025-03

New Language Features

New Compiler Improvements

New Packages

Package Improvements

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dev-2025-02

New Language Features

Compiler Improvements

New Packages

Package Improvements

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dev-2025-01

New Language Features

Compiler Improvements

New Packages

Package Improvements

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dev-2024-12

New Language Features

Compiler Improvements

New Packages

Package Improvements

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dev-2024-11

New Language Features

Compiler Improvements

New Packages

Package Improvements

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dev-2024-10

New Language Features

Compiler Improvements

New Packages

Package Improvements

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dev-2024-09

New Language Features

Compiler Improvements

New Packages

Package Improvements

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dev-2024-08

New Language Features

Compiler Improvements

New Packages

Package Improvements

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