Repository Issue Activity (beta)

leanprover/lean4

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

Open Issues
917
New in 7 Days
0
Closed in 7 Days
1
Average Open Age
548 days
Stale 30+ Days
883
Stale 90+ Days
779
Last 2 Weeks
DateOpenedClosedCommentsEventsOpen Backlog
2026-07-1200000
2026-07-1100000
2026-07-1000000
2026-07-0900000
2026-07-0800000
2026-07-0700000
2026-07-0601451
2026-07-0500000
2026-07-0410141
2026-07-0311043
2026-07-0212040
2026-07-0112051
2026-06-3003360
2026-06-2930134
This Week

Opened: 0

Closed: 1

Comments: 4

Events: 5

Top Labels
bug (1428)
P-medium (727)
P-low (433)
RFC (281)
P-high (122)
Lake (113)
enhancement (81)
server (46)
Issue Explorer
IssueAuthorStateLabelsCommentsReactionsUpdated

#5598 RFC: `unless` doesn't support hypothesis like e.g. `if h: ...`

Opened 2 years ago
TomasPuverle
open
RFC
RFC accepted
P-low
946 days ago

#13050 bad interplay between grind/sym interactive modes and grind order

Opened 4 months ago
procoderxx
closed - completed
bug
P-medium
107 days ago

#14275 Goal pretty-printing doesn't respect `pp.instantiateMVars`

Opened 8 days ago
Rob23oba
open
bug
108 days ago

#14264 `lambdaMetaTelescope` doesn't preserve binder names

Opened 9 days ago
JovanGerb
open
bug
009 days ago

#13996 lake: module archives are not content-stable, preventing cache deduplication and reuse

Opened 1 month ago
marcelolynch
closed - completed
P-high
0010 days ago

#14152 RFC: `lake cache get` read chain from multiple services

Opened 20 days ago
marcelolynch
open
RFC
awaiting-author
Lake
3010 days ago

#14154 RFC: Configurable / default `lake cache` scopes

Opened 20 days ago
marcelolynch
open
RFC
awaiting-author
Lake
3010 days ago

#14246 Std.Async.Selectable.one uses system entropy in hot path

Opened 10 days ago
p-pavel
closed - completed
bug
0010 days ago

#14233 Verso docstring on `coinductive` gives error "Couldn't interpret binder"

Opened 11 days ago
Vierkantor
closed - completed
bug
0010 days ago

#14218 open in term elaborator does not update InfoTree context

Opened 13 days ago
nomeata
closed - completed
bug
0011 days ago

#13753 Circular wording in `#eval` docstring

Opened 2 months ago
thomasjbetsworth
closed - completed
P-medium
0112 days ago

#13007 docstrings missmarked as comments

Opened 4 months ago
joneugster
closed - completed
bug
P-low
0012 days ago

#12813 Verso docstring on `where` declaration with match causes error

Opened 4 months ago
Vierkantor
closed - completed
bug
P-medium
1012 days ago

#14221 RFC: Use Zig as the primary build orchestration layer for Lean4

Opened 13 days ago
DaviRain-Su
closed - completed
No labels
2013 days ago

#14151 RFC: SHA-isolated `lake cache get` via configurable revision discovery

Opened 20 days ago
marcelolynch
open
RFC
Lake
RFC accepted
4013 days ago

#14208 Conflicting `simp` lemmas `List.push_append_toArray` and `Array.append_singleton`

Opened 14 days ago
TwoFX
open
bug
0014 days ago

#11746 `exact? +grind` uses the declaration it's in recursively

Opened 7 months ago
Rob23oba
closed - completed
bug
1014 days ago

#7525 Infinite loop in `simp`: `ite_congr not modified`

Opened 1 year ago
Rob23oba
closed - completed
bug
P-medium
1016 days ago

#2920 `linter.unusedVariables` false positive when used in `decreasing_by`

Opened 3 years ago
Seasawher
open
bug
P-medium
11917 days ago

#13705 `exact?` and `grind` block on prior async theorem bodies

Opened 2 months ago
nomeata
closed - completed
bug
P-medium
0017 days ago

#14090 `Selectable.combine` can hang and panic

Opened 25 days ago
david-christiansen
closed - completed
bug
0017 days ago

#13113 set_next and get_next truncate pointers unsafely on some x86 and ARM configurations

Opened 4 months ago
eric-wieser
open
bug
P-medium
0118 days ago

#13685 IR eta-expansion through trivial structure

Opened 2 months ago
sgraf812
open
bug
code-generator
P-medium
0018 days ago

#13572 `lia` fails with "(kernel) application type mismatch"

Opened 2 months ago
andres-erbsen
open
bug
P-medium
0018 days ago

#13592 simp? returns unuseful lemmas

Opened 2 months ago
b-mehta
open
bug
P-medium
0118 days ago

Rows per page:

1–25 of 2,121