Search results

How to deal with the region crate dependency?

Status: Open.

#13181 In bytecodealliance/wasmtime;

· bjorn3 opened on Apr 23, 2026

Cranelift: how to express polynomial/

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.

#13178 In bytecodealliance/wasmtime;

· mkschreder opened on Apr 23, 2026

More uncaught segfaults with GC tunables

fuzz-bugBugs found by a fuzzerBugs found by a fuzzer

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

Status: Open.

#13173 In bytecodealliance/wasmtime;

· alexcrichton opened on Apr 22, 2026

Wizer components from Rust fail unless keep_init_func(false)

wasm-proposal:component-modelIssues related to the WebAssembly Component Model proposalIssues related to the WebAssembly Component Model proposal

wizerIssues related to Wizer snapshotting, pre-initialization, and the `wasmtime wizer` subcommandIssues related to Wizer snapshotting, pre-initialization, and the `wasmtime wizer` subcommand

Status: Open.

#13168 In bytecodealliance/wasmtime;

· pchickey opened on Apr 21, 2026

Add an optional typed interactive REPL for WebAssembly Components to the Wasmtime CLI

Status: Open.

#13136 In bytecodealliance/wasmtime;

· afsalthaj opened on Apr 19, 2026

Per-function compilation diagnostics in cranelift_codegen should be trace, not debug

Status: Open.

#13133 In bytecodealliance/wasmtime;

· jspaith opened on Apr 17, 2026

Should we define GC-related VM types in wasmtime-environ?

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

Status: Open.

#13114 In bytecodealliance/wasmtime;

· fitzgen opened on Apr 15, 2026

Deduplicate more code between DRC and copying GcCompiler implementations

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

Status: Open.

#13113 In bytecodealliance/wasmtime;

· fitzgen opened on Apr 15, 2026

Should accesses to the GC heap use MemFlags::trusted()?

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

Status: Open.

#13112 In bytecodealliance/wasmtime;

· fitzgen opened on Apr 15, 2026

riscv64: The vxrm and vxsat registers are not preserved or handled

cranelift:area:riscv64Issues related to the RISC-V 64 backend.Issues related to the RISC-V 64 backend.

Status: Open.

#13078 In bytecodealliance/wasmtime;

· alexcrichton opened on Apr 13, 2026

riscv64: Atomics for 8/16-bit values incorrectly have two atomic loads

cranelift:area:riscv64Issues related to the RISC-V 64 backend.Issues related to the RISC-V 64 backend.

wasm-proposal:threadsIssues related to the WebAssembly threads proposalIssues related to the WebAssembly threads proposal

Status: Open.

#13076 In bytecodealliance/wasmtime;

· alexcrichton opened on Apr 13, 2026

Prefetch instruction for Cranelift

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

cranelift:area:clif

Status: Open.

#13075 In bytecodealliance/wasmtime;

· tareksander opened on Apr 13, 2026