Repository Issue Activity (beta)

nim-lang/nim

Current issue state, recent activity, and per-issue timelines from the indexed issue data.

Open Issues
545
New in 7 Days
5
Closed in 7 Days
7
Average Open Age
1106 days
Stale 30+ Days
529
Stale 90+ Days
492
Last 2 Weeks
DateOpenedClosedCommentsEventsOpen Backlog
2026-09-0701022
2026-09-0610002
2026-09-0520001
2026-09-0402001
2026-09-031100545
2026-09-0211000
2026-09-0102000
2026-08-3100000
2026-08-3000000
2026-08-2902000
2026-08-2812000
2026-08-2730000
2026-08-2612000
2026-08-2500000
This Week

Opened: 5

Closed: 7

Comments: 0

Events: 2

Top Labels
Compiler Crash (79)
works_but_needs_test_case (72)
Error Messages (64)
Generics (58)
Standard Library (53)
Regression (41)
Showstopper (37)
Code Generation (35)
Issue Explorer
IssueAuthorStateLabelsCommentsReactionsUpdated

#26173 std/encodings: convert silently corrupts stateful encodings (ISO-2022-JP) when the output buffer grows

Opened 2 days ago
jasagiri
closed - completed
Showstopper
0018 hours ago

#26175 `Utf16Char` incorrectly declared as signed

Opened 1 day ago
arnetheduck
open
No labels
001 day ago

#26172 cyclic `ref` type with lifetime extend beyond nested function calls setting it creates UB in ORC

Opened 3 days ago
tersec
open
No labels
602 days ago

#25200 GCC error`-Wincompatible-pointer-types` with `esp` CPU

Opened 11 months ago
adokitkat
closed - completed
No labels
803 days ago

#26165 Destructors not called during Defect unwinding

Opened 4 days ago
arnetheduck
open
No labels
103 days ago

#26119 Regression from 2.2.x to `version-2-4`/`devel` with stack usage increase on `try`/`except` expression with `refc`

Opened 20 days ago
tersec
closed - completed
No labels
104 days ago

#26158 `[GCASSERT] incRef: interiorPtrTraceback`/`SIGSEGV` with closure iterator iterating over tuples in `refc`

Opened 6 days ago
tersec
closed - completed
No labels
004 days ago

#26122 `const` + `sink` broken (refc, 2.2)

Opened 20 days ago
arnetheduck
open
No labels
205 days ago

#26094 memory leak on exception unwinding — raising proc's `result` is never destroyed

Opened 29 days ago
konqoro
closed - completed
Showstopper
106 days ago

#26147 new-style concepts: broken generic iterator declarations (regression between 2.2.2 and 2.2.4)

Opened 11 days ago
pacien
open
No labels
306 days ago

#26144 Virtual method calls can lose exceptions after `sfNeverRaises` inference

Opened 12 days ago
Graveflo
closed - completed
No labels
107 days ago

#26152 JS regression: dockhack.js is invalid

Opened 11 days ago
moigagoo
closed - completed
Regression
Status
007 days ago

#19333 The validateUtf8 procedure allows invalid byte sequences.

Opened 5 years ago
flenniken
open
Standard Library
Easy
118 days ago

#26134 `del(seq)` performs self-assignment and `=destroy` for `del(0)` of 1-length seq

Opened 17 days ago
arnetheduck
closed - completed
No labels
009 days ago

#26132 `=destroy` should accept non-parametrized generic

Opened 17 days ago
arnetheduck
closed - completed
No labels
009 days ago

#11797 importc types (eg cint) don't alias properly, causing codegen errors

Opened 7 years ago
timotheecour
closed - completed
Code Generation
FFI
3110 days ago

#26143 Possible memory error ("use after free")

Opened 12 days ago
eric-j-ason
closed - completed
No labels
4010 days ago

#26148 Nim 2.2.10 build-noise cleanup

Opened 11 days ago
florin65
open
No labels
0010 days ago

#24301 Nim Windows installation file nim-2.2.0_x64.zip marked as virus (malicious)

Opened 2 years ago
bhadra
closed - not_planned
No labels
2011 days ago

#11843 Nim and Futhark

Opened 7 years ago
develooper1994
closed - completed
RFC
Waiting on Author
8012 days ago

#15952 toOpenArray with var openArray doesn't work in nim js

Opened 6 years ago
timotheecour
closed - completed
Javascript
Medium Priority
2012 days ago

#26124 `Error: internal error: expr: param not init k_553648136` with nested generic procs

Opened 19 days ago
tersec
closed - completed
No labels
0013 days ago

#26133 Side effects not checked in `=destroy`

Opened 17 days ago
arnetheduck
open
No labels
0014 days ago

#26136 Compile-time VM crashes when searching nested seq fields in a const array of tuples

Opened 16 days ago
Mucka
open
No labels
0014 days ago

#26111 problem compiling chawan for ARM 32 Bit

Opened 24 days ago
wbx-github
closed - completed
No labels
3015 days ago

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