component-model

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Interface version canonicalization

3

See #534 - I stuck `fullversion` in the import/export productions rather than `interfacename` because I wanted it to be clear that it wouldn't be lowered into the core name. -...

lann

Interface version / compatibilty changes

3

Wasmtime currently performs a [slightly complicated dance](https://docs.rs/wasmtime/34.0.1/wasmtime/component/struct.Linker.html#names-and-semver) to allow a guest import/export of an interface to be linked with a different but semver-compatible host version of that interface. For a...

lann

Function parameter documentation

4

Currently function parameters cannot have documentation. This feels like pretty arbitrary restriction (which might be biased, even if not intentionally, from rust not supporting it? It is a very requested...

bbb651

Pre-Proposal: Wasm GC Support in the Canonical ABI

20

# Pre-Proposal: Wasm GC Support in the Canonical ABI This issue proposes extensions to the Component Model's Canonical ABI for Wasm GC support and describes some of the motivation for...

fitzgen

Are multiple identical imports with different aliases possible / a goal?

5

I came across the use case in [the wasmCloud runtime linking docs](https://wasmcloud.com/docs/concepts/linking-components/linking-at-runtime/#defining-and-using-link-names). Excerpt: > For example, a component may use the `wasi:keyvalue` interface to link to both a local key-value...

meastp

Non-exhaustive enums, variants, records, function params

7

Currently, adding a new case to an enum or variant, would likely be a breaking change, as user code needs to handle a new case. It would be great to...

MendyBerger

First-class modules

2

I wanted to write up something quick, and am happy to expand on the request if there's any interest in doing so. The short of it is that I believe...

jdegoes

Inconsistent semi colons on wit file Include's when renaming via `with`

5

This parses: ``` world union-my-world-a { include world-one; include world-two with { a as b } } ``` but if I add a `;` to the `with` it fails ```...

jsturtevant

Idea: support post-trap call traces for guest interpreters

5

While discussing [this componentize-py issue](https://github.com/bytecodealliance/componentize-py/issues/146), I realized it would be useful to allow a component to be entered one last time _after_ it traps in order to get additional debug...

dicej

Support to invoke user defined callbacks inside WASM component from wasmtime

2

Programs like eBPF usually hire a callback function to let underlying framework to invoke it when a certain kind of event happened, to support this in WASM component model, it...

BrytonLee