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v4.20.4

OpenMOSS/MOSS-Transcribe-Diarizev4.20.4Aug 20, 2026by swilly22

AI Summary

This release focuses on stability and performance, fixing crash bugs during graph updates and optimizing the decoder for faster graph loading.

Key Highlights

  • Fixed SIGSEGV crash when effects reference non-existent nodes or edges
  • Improved graph loading speed by removing full sync from the decoder
  • Exported new public APIs for graph-offloading modules

New Features

  • New public APIs: Graph_EncodingVersion and Graph_GetDecoder

Full Release Notes

## What's Changed

### Bug Fixes
* fix(effects): stop replica SIGSEGV on UPDATE_EDGE/UPDATE_NODE divergence - replicas no longer crash when an effect references a node or edge that no longer exists locally; the mismatch is now detected and triggers a full resync instead (#2581)

### Performance
* remove full sync from decoder - transpose matrices are rebuilt incrementally as delta-matrix components are set during RDB decoding instead of forcing a full sync at the end, speeding up loading of persisted graphs (#2584)

### Improvements
* serializers: export Graph_EncodingVersion and Graph_GetDecoder - new public APIs let external modules (e.g. graph-offloading) stamp dumps with their encoding version and select the matching decoder on load (#2552)

**Full Changelog**: https://github.com/FalkorDB/FalkorDB/compare/v4.20.3...v4.20.4