v0.52.58

charmbracelet/catwalkv0.52.58Sep 29, 2026by github-actions[bot]

Upgrading?

AI Summary

Fixes a generator migration to the fastino catalog and introduces support for Claude Sonnet 5.5.

Key Highlights

  • Migrate generator to fastino base-models catalog
  • Add Claude Sonnet 5.5 support

New Features

  • Add Claude Sonnet 5.5 support

Full Release Notes

## Changelog
### Fixed
* d343478e42f42d91077c9010f354e96f90571a47: fix(pioneer): migrate generator to fastino base-models catalog (#634) (@sam0uly)
### Other stuff
* 61d56162a96fe33829642c114d9d223bd1da1dc5: add claude sonnet 5.5 for anthropic provider. (#635) (@sam0uly)
* 249fc61a3321a4c4ed3d912a25643b7588951a63: chore(copilot): add `claude-sonnet-5.5` (@andreynering)
* 3b58db0e9475fd6326d1e2ad8f0ffcc6a2a115c5: chore: auto-update generated files (#632) (@github-actions[bot])

---

<details>
<summary>Verifying the artifacts</summary>

First, download the [`checksums.txt` file](https://github.com/charmbracelet/catwalk/releases/download/v0.52.58/checksums.txt) and the [`checksums.txt.sigstore.json` file](https://github.com/charmbracelet/catwalk/releases/download/v0.52.58/checksums.txt.sigstore.json) files, for example, with `wget`:

```bash
wget 'https://github.com/charmbracelet/catwalk/releases/download/v0.52.58/checksums.txt'
wget 'https://github.com/charmbracelet/catwalk/releases/download/v0.52.58/checksums.txt.sigstore.json'
```

Then, verify it using [`cosign`](https://github.com/sigstore/cosign):

```bash
cosign verify-blob \
  --certificate-identity 'https://github.com/charmbracelet/meta/.github/workflows/goreleaser.yml@refs/heads/main' \
  --certificate-oidc-issuer 'https://token.actions.githubusercontent.com' \
  --bundle 'checksums.txt.sigstore.json' \
  ./checksums.txt
```

If the output is `Verified OK`, you can safely use it to verify the checksums of other artifacts you downloaded from the release using `sha256sum`:

```bash
sha256sum --ignore-missing -c checksums.txt
```

Done! You artifacts are now verified!

</details>

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