v1.4.455

baptisteArno/typebot.iov1.4.455Jun 9, 2026by github-actions[bot]

AI Summary

Adds support for the Claude Fable 5 model and improves provider model discovery caching. Includes handling for provider rate limits with localized error messages.

Key Highlights

Added Claude Fable 5 Anthropic model support
Added persistent cache for provider model discovery
Serves stale model caches during discovery failures
Improved rate limit error localization

New Features

Claude Fable 5 model support
Extended sampling parameter exclusion to Opus 4.8

Full Release Notes

## Changes

### PR [#2138](https://github.com/danielmiessler/Fabric/pull/2138) by [ksylvan](https://github.com/ksylvan): New Claude Fable model + cache OpenAI model discovery and handle provider rate limits

- Add persistent cache for provider model discovery results, improving performance and reliability of provider integrations.
- Serve stale model caches during discovery failures, ensuring continued operation when upstream providers are unavailable.
- Add Claude Fable 5 Anthropic model support, with sampling parameters automatically omitted for compatibility.
- Return concise localized errors for rate-limited model fetches, with updated translations across all supported locales.
- Update Go dependencies for AI provider integrations to keep upstream libraries current.