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GC and Exceptions in Wasmtime

Bytecode Alliance · published 20 July 2026

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https://github.com/bytecodealliance/wasmtime/releases/tag/v47.0.0

github.com

https://wasmtime.dev/

wasmtime.dev

https://bytecodealliance.org/articles/inliner

bytecodealliance.org

https://bytecodealliance.org/articles/security-and-correctness-in-wasmtime

bytecodealliance.org

https://bytecodealliance.org/articles/wasmtime-portability

bytecodealliance.org

https://docs.wasmtime.dev/lang.html

docs.wasmtime.dev

https://bytecodealliance.org/about

bytecodealliance.org

https://fitzgen.com/2024/09/10/new-stack-maps-for-wasmtime.html

fitzgen.com

https://github.com/WebAssembly/gc

github.com

https://github.com/bytecodealliance/sightglass/blob/98ff8a598b4b4f6eab0d8f391118411990efde96/benchmarks/splay/splay.wat

github.com

https://github.com/WebAssembly/exception-handling

github.com

https://en.wikipedia.org/wiki/Cheney%27s_algorithm

en.wikipedia.org

https://github.com/bytecodealliance/wasm-tools/tree/main/crates/wasm-smith

github.com

https://fitzgen.com/2026/06/01/structure-aware-fuzzing-experiment.html

fitzgen.com

https://github.com/bytecodealliance/wasmtime/issues/10327

github.com

https://github.com/bytecodealliance/wasmtime/blob/86b242fcc4e508a2b4f7cd698063cad80d44f249/crates/fuzzing/src/generators/gc_access.rs

github.com

https://v8.dev/

v8.dev

https://spidermonkey.dev/

spidermonkey.dev

https://github.com/bytecodealliance/wasmtime/issues?q=is%3Aissue%20state%3Aopen%20gc%20label%3Awasm-proposal%3Agc%20label%3Aperformance

github.com

https://github.com/WebAssembly/component-model/issues/525

github.com

https://github.com/WebAssembly/component-model/issues/383

github.com

https://bytecodealliance.zulipchat.com/

bytecodealliance.zulipchat.com