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v4.20.4

vercel-labs/agent-browserv4.20.4Aug 20, 2026by swilly22

Upgrading?

What changed from 0.16.4 → v4.20.4?What's new in 2.5.1 after v4.20.4?

AI Summary

This release focuses on stability improvements for replica divergence and performance optimizations for graph loading. It introduces new public APIs to support external graph-offloading modules.

Key Highlights

  • Fixes replica SIGSEGV crashes when an effect references a non-existent node or edge.
  • Optimizes graph loading by rebuilding transpose matrices incrementally during RDB decoding.
  • Exports new public APIs Graph_EncodingVersion and Graph_GetDecoder for external modules.

New Features

  • New public APIs for external graph-offloading modules to stamp dumps with encoding versions.

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

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