v4.20.4

opencode-ai/opencodev4.20.4Aug 20, 2026by swilly22

AI Summary

This release focuses on stability and performance, fixing a critical crash bug in replica synchronization and optimizing graph loading speed. It also exposes new public APIs to support external graph offloading modules.

Key Highlights

Fixes replica SIGSEGV crash on UPDATE_EDGE/UPDATE_NODE divergence
Performance improvement via incremental matrix rebuilding during RDB decoding
New public APIs for graph encoding versioning and decoding

New Features

Export Graph_EncodingVersion and Graph_GetDecoder for external modules

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