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Failed CI build for refs/heads/main

Status: Open.

#13400 In bytecodealliance/wasmtime;

· github-actions opened on May 17, 2026

wasip3: sockets-udp-send::test_wrong_address_family does not return InvalidArgument for cross-family send

Status: Open.

#13398 In bytecodealliance/wasmtime;

· cataggar opened on May 16, 2026

wasip3: sockets-tcp-listen::test_inherited_properties — accepted socket's get-send-buffer-size differs from listener (Linux tcp_wmem autotune)

Status: Open.

#13397 In bytecodealliance/wasmtime;

· cataggar opened on May 16, 2026

wasip3: sockets-tcp-connect::test_explicit_bind_addrinuse does not get AddressInUse on second bind

Status: Open.

#13396 In bytecodealliance/wasmtime;

· cataggar opened on May 16, 2026

Should we add fuel/epoch checks into the middle of {array,memory,table}.{fill,copy,init}?

wasm-proposal:gcIssues with the implementation of the gc wasm proposalIssues with the implementation of the gc wasm proposal

Status: Open.

#13387 In bytecodealliance/wasmtime;

· fitzgen opened on May 15, 2026

Optimize array.fill with more libcalls, optimize array.copy for more collectors

performance

wasm-proposal:gcIssues with the implementation of the gc wasm proposalIssues with the implementation of the gc wasm proposal

Status: Open.

#13386 In bytecodealliance/wasmtime;

· alexcrichton opened on May 15, 2026

Invalid CLIF generated from conditional branch rewrite optimizations

craneliftIssues related to the Cranelift code generatorIssues related to the Cranelift code generator

fuzz-bugBugs found by a fuzzerBugs found by a fuzzer

Status: Open.

#13365 In bytecodealliance/wasmtime;

· alexcrichton opened on May 14, 2026

Trying to run wasip2 example fails

wasmtime:docsIssues related to Wasmtime's documentationIssues related to Wasmtime's documentation

Status: Open.

#13363 In bytecodealliance/wasmtime;

· ValorZard opened on May 14, 2026

Switching to a faster hashmap implementation

Status: Open.

#13355 In bytecodealliance/wasmtime;

· jeffcharles opened on May 13, 2026

GcRuntime::vmctx_gc_heap_data is Miri-unsafe

wasm-proposal:gcIssues with the implementation of the gc wasm proposalIssues with the implementation of the gc wasm proposal

Status: Open.

#13344 In bytecodealliance/wasmtime;

· alexcrichton opened on May 12, 2026

How to add fuel when yielding execution using async when it ends?

Status: Open.

#13338 In bytecodealliance/wasmtime;

· AngelicosPhosphoros opened on May 11, 2026

Cranelift: major performance regression (-14.93%) for spidermonkey-json

bugIncorrect behavior in the current implementation that needs fixingIncorrect behavior in the current implementation that needs fixing

craneliftIssues related to the Cranelift code generatorIssues related to the Cranelift code generator

Status: Open.

#13325 In bytecodealliance/wasmtime;

· bongjunj opened on May 8, 2026