v9.13.0 v0.9.3

high risk

webiny/webiny-jsAug 27, 2026 → Sep 7, 202611 days between releases

What's New

Introduces FP8 support and Mistral-specific features, replacing the previous LEMUR and MUVERA focus.

Breaking Changes

  • Server error codes aligned to OpenAI standard may break clients expecting legacy codes

New Features

  • First-class FP8 and concurrent DFlash decode support
  • Mistral sequences capacity gauge
  • Separate prefill and decode throughput logging
  • NVFP4 checkpoint loading and cuTile Blackwell acceleration
  • Tool chat template JSON rendering alignment

Improvements

  • Significant performance improvements through first-class FP8 support
  • Concurrency fixes and scheduler improvements
  • Server error codes aligned to OpenAI standard
  • Improved hybrid FP8 serving

Bug Fixes

  • Multimodal inputs (Qwen media work) kept out of decode
  • Windows build errors fixed
  • OpenAI chat message selection fix
  • Cached prompt tokens reported in usage

Upgrade Notes

The provided release notes describe two different repositories (webiny-js and mistral.rs) with disjoint feature sets, so a direct upgrade path cannot be determined from the text.

The Two Releases

v9.13.0

v9.13.0

Aug 27, 2026· 2 months ago

This release introduces LEMUR learned multi-vector retrieval, expands late-interaction capabilities with configurable pooling, and converts the MUVERA algorithm to Torch, alongside various bug fixes for agents and cross-encoders.

Full release notes
v0.9.3

v0.9.3

Sep 7, 2026· 1 month ago

This release focuses on significant performance improvements through first-class FP8 support and concurrent decoding, alongside server standardization and fixes for multimodal inputs and tool templates.

Full release notes