Repository Issue Activity (beta)

WebAssembly/binaryen

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

Open Issues
339
New in 7 Days
2
Closed in 7 Days
0
Average Open Age
1211 days
Stale 30+ Days
329
Stale 90+ Days
319
Last 2 Weeks
DateOpenedClosedCommentsEventsOpen Backlog
2026-08-2400000
2026-08-2300000
2026-08-2200112
2026-08-2100122
2026-08-2010001
2026-08-1910011
2026-08-1800123
2026-08-1700151
2026-08-1600021
2026-08-1510001
2026-08-1400002
2026-08-1321022
2026-08-1200000
2026-08-1101000
This Week

Opened: 2

Closed: 0

Comments: 3

Events: 6

Top Labels
help wanted (49)
good first bug (15)
interpreter (7)
enhancement (6)
plugins (2)
LLVM wasm backend (1)
Poppy IR (1)
bug (1)
Issue Explorer
IssueAuthorStateLabelsCommentsReactionsUpdated

#9026 JS interop fuzz bug with GTO and externref

Opened 4 days ago
kripken
open
No labels
102 days ago

#8372 Support `try_table` in Flatten

Opened 6 months ago
Pspritechologist
open - reopened
No labels
903 days ago

#8315 Waitqueue / waitqueue ref support in Binaryen

Opened 6 months ago
stevenfontanella
open
No labels
104 days ago

#9018 Most lit/help tests fail with new python-filecheck

Opened 5 days ago
rathann
open
No labels
005 days ago

#9002 wasm2c from binaryen conflicts with wasm2c from wabt

Opened 11 days ago
rathann
open
No labels
406 days ago

#9001 wasm-opt constraint analysis assertion failed (MaxBinaryActions)

Opened 11 days ago
mcost45
open
No labels
407 days ago

#9006 ctor-eval/flatten_overflow.wast lit test fails on x86 32-bit

Opened 9 days ago
rathann
open
No labels
207 days ago

#8313 Missing fp16 type validation

Opened 6 months ago
kripken
open
No labels
208 days ago

#8968 DAE2 fuzz bug on return_call_indirect

Opened 20 days ago
kripken
closed - completed
No labels
0011 days ago

#8965 InplaceVectorTest fails on armhf 32-bits

Opened 21 days ago
kapouer
closed - completed
No labels
1013 days ago

#8950 binaryen does not build with gcc 16 due to -Werror=array-bounds

Opened 26 days ago
whispersofthedawn
closed - completed
No labels
2014 days ago

#8962 Non-natural alignment should fail to validate for atomic instructions

Opened 24 days ago
stevenfontanella
open
No labels
1120 days ago

#8940 wasm-opt crash with module with try + dwarf since emcc 6.0.2

Opened 30 days ago
hoodmane
closed - completed
No labels
2026 days ago

#8949 Parse bug with extra non-nullable br_on_cast values

Opened 26 days ago
tlively
open
No labels
0026 days ago

#8904 Change ordering immediate memarg bit for relaxed atomics

Opened 1 month ago
stevenfontanella
closed - completed
No labels
001 month ago

#8927 Asyncify pass does not terminate on a large WASM module while other wasm-opt passes complete

Opened 1 month ago
Rawan10101
closed - completed
No labels
001 month ago

#8911 Fuzzer generates invalid code for table initializers

Opened 1 month ago
stevenfontanella
open
No labels
101 month ago

#8910 Investigate why `wasm-merge` + `wasm-opt` output is larger than the corresponding monolithic module processed with `wasm-opt`

Opened 1 month ago
bashor
open
No labels
101 month ago

#8896 wasm-opt [parse exception: popping from empty stack (at 0:543)]

Opened 1 month ago
vapier
open
No labels
201 month ago

#3029 Can we do more table element stripping in RemoveUnusedModuleElements?

Opened 6 years ago
sbc100
closed - completed
help wanted
good first bug
602 months ago

#8770 Fuzzer is non-deterministic across architectures

Opened 3 months ago
stevenfontanella
closed - completed
No labels
002 months ago

#8864 Add option for preserving function order?

Opened 2 months ago
matthew-mojira
closed - completed
No labels
202 months ago

#8869 Recognize table initialization code in start function and be able to devirtualize based on it

Opened 2 months ago
mkustermann
open
No labels
402 months ago

#8165 Support for acquire/release semantics in atomics

Opened 8 months ago
stevenfontanella
closed - completed
No labels
102 months ago

#8866 Missed devirtualization of call_indirect with constant index under full optimization pipeline

Opened 2 months ago
kevmoo
closed - not_planned
No labels
102 months ago

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