# wasmCloud 2.5.0: Wasmtime 46, WASI 0.3, and multiplexed WebAssembly host plugins

DevFeed: [wasmCloud 2.5.0: Wasmtime 46, WASI 0.3, and multiplexed WebAssembly host plugins](<https://devfeed.tech/articles/wasmcloud-2-5-0-wasmtime-46-wasi-0-3-and-multiplexed-webassembly-host-plugins-15441.md>)

Original publisher: [Read original article](<https://wasmcloud.com/blog/wasmcloud-2-5-0-release/>)

Author: Eric Gregory

Published: 2026-06-30T00:00:00Z

Content type: release

Language: en

Sources: [wasmCloud Blog](<https://devfeed.tech/sources/wasmcloud-blog.md>)

Topics: [WebAssembly](<https://devfeed.tech/topics/web-assembly.md>), [wasm](<https://devfeed.tech/topics/wasm.md>), [Streaming](<https://devfeed.tech/topics/streaming.md>)

Tags: [helm](<https://devfeed.tech/tags/helm.md>), [release](<https://devfeed.tech/tags/release.md>), [streaming](<https://devfeed.tech/tags/streaming.md>), [wasi](<https://devfeed.tech/tags/wasi.md>), [wasm](<https://devfeed.tech/tags/wasm.md>), [webassembly](<https://devfeed.tech/tags/webassembly.md>)

## AI overview

wasmCloud 2.5.0 is released with Wasmtime 46 and WASI 0.3 enabled by default. It adds configurable top-level WebAssembly proposals, multiplexed host-plugin interfaces, async-shaped and WIT improvements, Helm chart hardening, a host-controller refactor, and quality-of-life fixes.

## Source excerpt

wasmCloud 2.5.0 ships with Wasmtime 46, WASI 0.3 on by default, configurable WebAssembly proposals, and `(implements ..)` multiplexing for host plugins.