Issues

• bind add in a template still resolves to a later overload

  nim-lang/nimony#2877 · Filter by author gro225 opened on Nov 3, 2026

• Type widening (int64 instead of int32)

  nim-lang/nimony#2869 · Filter by author acmt-husqvarna opened on Nov 3, 2026

• std/dns resolver init deadlocks the pool on a first parallel lookup

  nim-lang/nimony#2868 · Filter by author iacore opened on Nov 3, 2026

• float preference

  nim-lang/nimony#2864 · Filter by author ingoogni opened on Nov 2, 2026

• A {.noreturn.} proc whose body returns compiles, and the proof trusts it

  nim-lang/nimony#2858 · Filter by author planetis-m opened on Nov 1, 2026

• inc, dec, succ and pred leave a range-typed location out of range, and the proof still trusts its type

  nim-lang/nimony#2855 · Filter by author planetis-m opened on Nov 1, 2026

• Native backend, Windows amd64: int32 result of a dynlib call is not sign-extended in a proc local (MulDiv(-6, 1, 2) compares unequal to -3, dirExists returns true for missing paths)

  nim-lang/nimony#2852 · Filter by author planetis-m opened on Nov 1, 2026

• std/errorcodes/errorcodes_posix does not compile for Windows

  nim-lang/nimony#2847 · Filter by author planetis-m opened on Nov 1, 2026

• Allocating a large ref object builds it on the stack first and overflows

  severe
  nim-lang/nimony#2846 · Filter by author planetis-m opened on Nov 1, 2026

• std/threadpool how to add mainThread to workers?

  nim-lang/nimony#2842 · Filter by author blackmius opened on Oct 31, 2026

• Index from a signed sub-int sum: the bounds check is removed although the addition can wrap

  nim-lang/nimony#2840 · Filter by author planetis-m opened on Oct 31, 2026
  1

• Concurrent builds in one directory fail with cannot open ...deps.nif or crash

  nim-lang/nimony#2839 · Filter by author planetis-m opened on Oct 31, 2026

• More docs on the website.

  nim-lang/nimony#2831 · Filter by author ingoogni opened on Oct 30, 2026

• std/tables.del is O(n): shifts the pairs and re-hashes every key

  nim-lang/nimony#2798 · Filter by author i-Naji opened on Oct 26, 2026
  1

• Performance: std/math.sqrt(float32) uses software implementation on native targets

  nim-lang/nimony#2792 · Filter by author Cryptocho opened on Oct 26, 2026
  3

• --app:lib doesn't generate NimMain

  nim-lang/nimony#2787 · Filter by author pyokagan opened on Oct 26, 2026
  1

• Would a small helper layer over plugins be welcome?

  nim-lang/nimony#2786 · Filter by author gro225 opened on Oct 25, 2026
  8

• except T as e: skips the ErrorCode-or-ref check, so an enum arm catches any ErrorCode

  nim-lang/nimony#2780 · Filter by author planetis-m opened on Oct 25, 2026

• Raising a final ref object (no base type) compiles and segfaults

  nim-lang/nimony#2779 · Filter by author planetis-m opened on Oct 25, 2026

• addSymDef/addSymUse with a SymId and no info is an ambiguous call in a plugin

  nim-lang/nimony#2775 · Filter by author planetis-m opened on Oct 25, 2026

• Internal error "BUG: not eliminated" for a for loop with break in an .assembler proc

  nim-lang/nimony#2774 · Filter by author planetis-m opened on Oct 25, 2026

• let x: lent T and let x: var T are accepted and silently become a copy

  nim-lang/nimony#2767 · Filter by author planetis-m opened on Oct 24, 2026

• Wrong behaviour from .. operator

  nim-lang/nimony#2749 · Filter by author ASVIEST opened on Oct 23, 2026

• templates std/sequtils recomputes first argument

  nim-lang/nimony#2741 · Filter by author ASVIEST opened on Oct 21, 2026

• The compiler does not check for integer overflow.

  nim-lang/nimony#2733 · Filter by author ASVIEST opened on Oct 21, 2026
  1