odin-lang/Odin

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• Ternary through a 'using' pointer loads the field before checking the condition at -o:none/-o:minimal

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  Difficulty 4/5 1-2 days Newbie friendliness 55/100

  odin-lang/Odin#8093 · Opened Oct 28, 2026

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• os.process_kill fails with Permission_Denied on a Process from os.process_open (Windows)

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  Difficulty 2/5 1-3 hours Newbie friendliness 78/100

  odin-lang/Odin#8092 · Opened Oct 28, 2026

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• os.process_open on Windows returns no error for a pid that no longer exists

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  Difficulty 2/5 1-3 hours Newbie friendliness 83/100

  odin-lang/Odin#8091 · Opened Oct 28, 2026

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• Inline asm missing mnemonics

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  Difficulty 2/5 1-3 hours Newbie friendliness 62/100

  odin-lang/Odin#8088 · Opened Oct 27, 2026

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• core:encoding/json: .JSON mode accepts invalid input and returns altered values without an error

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  Difficulty 4/5 3-5 days Newbie friendliness 55/100

  odin-lang/Odin#8061 · 1 comment · Opened Oct 26, 2026

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• `for in` iteration of array-of-int-backed `bit_set` compiler assertion failure

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  odin-lang/Odin#8047 · Opened Oct 25, 2026

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• [BUG-parser] -strict-style parsing empty block as else block

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  Difficulty 3/5 1-2 days Newbie friendliness 67/100

  odin-lang/Odin#8025 · 3 comments · Opened Oct 24, 2026

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• [core:os Linux] process_exec fails if both working_dir and command are relative paths.

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  Difficulty 3/5 1-2 days Newbie friendliness 63/100

  odin-lang/Odin#8023 · 1 comment · Opened Oct 23, 2026

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• [BUG - Backend Crash] Bitwise shift with floating-point operand bypasses frontend and fails LLVM codegen

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  Difficulty 4/5 1-2 days Newbie friendliness 52/100

  odin-lang/Odin#8021 · Opened Oct 23, 2026

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• [BUG - Frontend / Missing Diagnostic] Floating-point shift count compiles silently and truncates to zero

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  Difficulty 3/5 1-2 days Newbie friendliness 62/100

  odin-lang/Odin#8020 · Opened Oct 23, 2026

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• [BUG - Frontend / Missing Diagnostic] Constant shift operations silently accept shift counts greater than or equal to type bit width

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  Difficulty 4/5 1-2 days Newbie friendliness 52/100

  odin-lang/Odin#8019 · Opened Oct 23, 2026

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• [BUG - Frontend / Missing Diagnostic] Built-in make() silently accepts negative constant length for #soa slices

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  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  odin-lang/Odin#8018 · Opened Oct 22, 2026

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• [BUG - Frontend / Compiler Crash] Assertion failure is_type_typed(t) in check_decl.cpp when evaluating soa_unzip on zero-field struct #soa slice

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  Difficulty 3/5 1-2 days Newbie friendliness 56/100

  odin-lang/Odin#8017 · 1 comment · Opened Oct 22, 2026

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• [Bug] `intrinsics.procedure_of` on a proc group panics

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  Difficulty 4/5 3-5 days Newbie friendliness 49/100

  odin-lang/Odin#8013 · Opened Oct 22, 2026

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• [Bug - Frontend / Runtime Safety]: Built-in remove_range() silently accepts mathematically impossible constant bounds

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  Difficulty 3/5 1-2 days Newbie friendliness 67/100

  odin-lang/Odin#8008 · Opened Oct 21, 2026

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• (Apparent?) incoherency between Odin's assembly templates and LLVM on Arm64

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  odin-lang/Odin#8003 · 3 comments · Opened Oct 20, 2026

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• Bad error message for declarations starting with a number

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  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  odin-lang/Odin#8002 · Opened Oct 20, 2026

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• [Bug - Frontend / Control Flow] 'continue' inside a defer block fails silently

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  Difficulty 3/5 1-2 days Newbie friendliness 57/100

  odin-lang/Odin#7999 · Opened Oct 20, 2026

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• Segfault on `for x in m[key]` when the key is missing and the value is `[dynamic]T`

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  bug replicated

  Difficulty 4/5 3-5 days Newbie friendliness 54/100

  odin-lang/Odin#7998 · 1 comment · Opened Oct 19, 2026

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• Parsing arguments with core:flags returns corrupted cstring map keys

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  Difficulty 3/5 1-2 days Newbie friendliness 73/100

  odin-lang/Odin#7995 · Opened Oct 19, 2026

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• [Bug - Frontend - Missing Diagnostic] size_of() evaluates silently to 0 on uninstantiated generic structs

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  Difficulty 3/5 1-2 days Newbie friendliness 58/100

  odin-lang/Odin#7992 · Opened Oct 18, 2026

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• macOS: warning about ignoring duplicate libraries

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  Difficulty 2/5 1-3 hours Newbie friendliness 82/100

  odin-lang/Odin#7991 · Opened Oct 18, 2026

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• `odin build ..` outputs to wrong dir on Windows; and fails on Linux

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  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  odin-lang/Odin#7990 · 2 comments · Opened Oct 18, 2026

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• [Bug - Runtime Safety] Built-in delete() allows freeing static string literals, triggering undefined behavior

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  Difficulty 4/5 3-5 days Newbie friendliness 58/100

  odin-lang/Odin#7978 · 1 reaction · Opened Oct 17, 2026

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• [Vendor Update] raylib v6.2

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  Difficulty 3/5 1-2 days Newbie friendliness 35/100

  odin-lang/Odin#7953 · 2 reactions · Opened Oct 16, 2026

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• [QoI Bug - Diagnostic Engine] Unspecialized anonymous polymorphic procedure formats empty quotes '' in error message

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  odin-lang/Odin#7947 · Opened Oct 15, 2026

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• [Bug - Frontend / Control Flow] or_return inside a defer block fails silently across compilation targets

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  Difficulty 3/5 1-2 days Newbie friendliness 58/100

  odin-lang/Odin#7946 · Opened Oct 15, 2026

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• [Bug(?) - Frontend] expand_values accepts struct #raw_union due to missing !is_type_raw_union check

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  Difficulty 3/5 1-2 days Newbie friendliness 58/100

  odin-lang/Odin#7945 · Opened Oct 15, 2026

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• core:sys: linux.epoll_wait passes a timespec pointer as the timeout on arm64/riscv64

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  Difficulty 2/5 1-3 hours Newbie friendliness 90/100

  odin-lang/Odin#7943 · 1 comment · Opened Oct 15, 2026

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• Intermittent "An empty union 'Maybe(T)' cannot be instantiated" error, goes away with -no-threaded-checker

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  Difficulty 4/5 3-5 days Newbie friendliness 38/100

  odin-lang/Odin#7942 · Opened Oct 15, 2026

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• [Bug] Run/Check with -vet errors on transmute to same type to resolve Escape Analysis warnings

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  Difficulty 4/5 3-5 days Newbie friendliness 55/100

  odin-lang/Odin#7936 · Opened Oct 15, 2026

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• [Bug - Frontend - Missing Diagnostic / File I/O] Compile-time file directives (#exists, #load, #load_hash) silently truncate file paths containing embedded NUL bytes (\x00)

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  Difficulty 3/5 1-2 days Newbie friendliness 62/100

  odin-lang/Odin#7935 · 1 comment · Opened Oct 14, 2026

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• [Bug - Compiler Crash] Silent compiler crash when evaluating or_break or or_continue inside a defer statement

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  odin-lang/Odin#7934 · 1 comment · Opened Oct 14, 2026

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• [BUG - Frontend Hang] Compiler infinite loop when instantiating polymorphic struct with locally scoped illegal distinct typeid

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  Difficulty 4/5 3-5 days Newbie friendliness 42/100

  odin-lang/Odin#7927 · Opened Oct 13, 2026

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• [Bug - Compiler Crash - Frontend] Silent compiler crash when bit_field backing type is an invalid cyclic integer expression

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  Difficulty 4/5 3-5 days Newbie friendliness 38/100

  odin-lang/Odin#7869 · Opened Oct 10, 2026

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• Quoted and escaped rune formatting functions are inconsistent/unexpected output

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  Difficulty 4/5 1-2 days Newbie friendliness 25/100

  odin-lang/Odin#7868 · 1 comment · 1 reaction · Opened Oct 10, 2026

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• [Missing Diagnostic] Compiler allows infinitely recursive procedure type signatures

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  Difficulty 4/5 3-5 days Newbie friendliness 43/100

  odin-lang/Odin#7866 · 1 comment · Opened Oct 10, 2026

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• [BUG - Missing Diagnostic] Mutually recursive #force_inline procedures compile successfully but cause runtime stack overflow

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  odin-lang/Odin#7864 · 1 comment · Opened Oct 10, 2026

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• [Windows: Linker] Can't build static binaries with non-msvc linkers

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  bug linker:lld linker:radlink

  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  odin-lang/Odin#7858 · 2 comments · 1 reaction · Opened Oct 10, 2026

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• `&&` on a constant bool in `when` clause does not short circuit

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  odin-lang/Odin#7854 · Opened Oct 10, 2026

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• Cannot cast shift expression to a non-integer type

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  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  odin-lang/Odin#7849 · Opened Oct 9, 2026

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• `odin test`ing a package without tests causes a radlink error

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  bug regression replicated

  Difficulty 4/5 1-2 days Newbie friendliness 48/100

  odin-lang/Odin#7838 · 1 reaction · Opened Oct 9, 2026

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• [RFC] Remove vet deprecated file tag

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  Difficulty 3/5 1-2 days Newbie friendliness 48/100

  odin-lang/Odin#7813 · Opened Oct 7, 2026

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• Regression: LLVM backend assertion failure when odin root is set to a clone of master

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  bug replicated

  Difficulty 4/5 3-5 days Newbie friendliness 55/100

  odin-lang/Odin#7799 · 2 comments · Opened Oct 7, 2026

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• core:net set_option on Linux sets buffer sizes from the `any`'s data pointer, not the value

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  Difficulty 2/5 1-3 hours Newbie friendliness 75/100

  odin-lang/Odin#7794 · 1 reaction · Opened Oct 6, 2026

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• CLI: `odin build -help` lists what `-vet` enables but omits `-vet-cast` (and the deprecated-use check), which `-vet` does turn on

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  Difficulty 1/5 1-3 hours Newbie friendliness 86/100

  odin-lang/Odin#7784 · Opened Oct 6, 2026

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• crypto/chacha20: the Simd256 implementation produces wrong output in `-o:none` / `-debug` builds (`#force_inline` helpers are not inlined and their 256-bit return values cross an AVX2/non-AVX ABI boundary)

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  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  odin-lang/Odin#7780 · Opened Oct 6, 2026

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• sys/posix: `O_EXEC` on Linux is `0x04000000`, a bit the kernel does not define, so `open(path, {.EXEC})` is a plain read-only open

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  Difficulty 3/5 1-2 days Newbie friendliness 65/100

  odin-lang/Odin#7778 · Opened Oct 6, 2026

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• crypto/aes: GCM accepts a zero-length IV, contradicting the comment above the check and NIST SP 800-38D

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  Difficulty 2/5 1-3 hours Newbie friendliness 68/100

  odin-lang/Odin#7777 · Opened Oct 6, 2026

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