This is an older version. The current version is dev-2026-10. Odin Programming Language dev-2026-10 · Released:
Installer files dev-2025-12
| Architecture | Type | Scope | File size | Download | SHA256 |
|---|---|---|---|---|---|
| 64-bit | ZIP → Portable | — | — | github.com | VirusTotal |
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Release notes
Breaking changes
- BREAKING: Use chacha8rand as the default RNG.
The old default generator is available under core:math/rand in rand_pcg.odin in case you require a seed to return the same sequence as before.
New Language Features
- Introduce #all_or_none for structs, which requires that struct literals have all or none of the fields set
New Compiler Improvements
- Use SIP hash as name canonicalization hash
- Moved checking of -vet-unused-procedures and -vet-packages flags to after all flags are parsed
- Fixes for 32 bit with regards to typeid
- Fix #5894
- Remove #no_copy
- Don't check proc signature similarity for imported Objective-C methods
- Ubuntu arm ci and posix fixes
- Fix allocation of anonymous globals
- Fix #5967: Incorrect stack overflow warning for by ref switches over unions
- Skip collision panic when package names aren't unique
New Packages
- Add vendor:curl
Package Improvements
- Improve docs for stable sort procedures
- Fix: linalg.quaternion_from_forward_and_up
- Clone unquoted strings in encoding/json
- Add missing SetLayeredWindowAttributes
- Add io uring API
- Add FreeLibraryAndExitThread in kernel32. Add EnumProcessModules in psapi
- Fix typo in NS.String_initWithCString
- Remove the Darwin-specific paths from thread_unix
- Fix thread_act_t size
- Fix: make choice_bit_set respect bit_set domain
- math/rand: Add range-based number generation procedures
- Fix is_pointer_internally not handling Named Types
- Faster big.itoa
- Add Xoshiro256 RNG
- Add LockFileEx/UnlockFileEx and related flags
- Fix vendor:stb/image resize alpha_channel parameter type to c.int
- Move some OS General_Error values to io.Error
- Fix out of bounds access when parsing end_pos
- Add WSASendTo and WSARecvFrom
- Update d3d12 bindings for D3D12_FEATURE_D3D12_TIGHT_ALIGNMENT
- Add NSWindow coordinate space conversion bindings
- Don't build log allocator file on freestanding targets
- Adjust docs links for satellite SDL libraries
- Increase base64 decoding table size to 256, preventing out of bounds reads
- vendor/xlib: a few more IM-related procedures and constants
- add math.sign and math.sign_bit overloads for int types
- Implement more Linux syscalls
- Add SIO_UDP_CONNRESET winsock constant
- os2.File_Stream
Other
- Fix up macOS CI
Full Changelog: dev-2025-11...dev-2025-12
