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v1.4.455

HyNetworks/hysteriav1.4.455Jun 9, 2026by github-actions[bot]

AI Summary

Adds support for the new Claude Fable 5 model and improves the reliability of provider integrations through persistent caching and better rate limit handling.

Key Highlights

  • Add Claude Fable 5 model support
  • Persistent cache for provider model discovery
  • Handle provider rate limits with localized errors

New Features

  • Claude Fable 5 model support
  • Persistent model discovery cache
  • Improved rate limit error handling

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.