Spin 2.0.1

This is a patch release of Spin containing performance and bug fixes.

Changes

• Wasmtime: several changes were backported to a temporary fork of Wasmtime 14.0.4
• https://github.com/bytecodealliance/wasmtime/pull/7475 fixes an HTTP performance regression.
• https://github.com/bytecodealliance/wasmtime/pull/7426 fixes an issue with streaming outgoing HTTP request bodies.
• Rust SDK
• https://github.com/fermyon/spin/pull/2083 fixes non-streaming outgoing POST requests
• Go SDK
• https://github.com/fermyon/spin/pull/2075 adds a missing function to the KV API

Verifying the Release Signature 🔏

After downloading the v2.0.1 release of Spin, either via the artifact attached to this release corresponding to your OS/architecture combination or via the installation method of your choice, you are ready to verify the release signature.

First, install cosign. This is the tool we'll use to perform signature verification. Then run the following command:

cosign verify-blob \
    --signature spin.sig --certificate crt.pem \
    --certificate-identity https://github.com/fermyon/spin/.github/workflows/release.yml@refs/tags/v2.0.1 \
    --certificate-oidc-issuer https://token.actions.githubusercontent.com \
    --certificate-github-workflow-repository fermyon/spin \
    spin

If the verification passed, you should see:

Verified OK