v4.20.0

megadose/holehev4.20.0Jul 13, 2026by swilly22

AI Summary

The v4.20.0 major release introduces new traversal semantics and performance optimizations, while removing support for the Bolt protocol and preparing infrastructure for RediSearch 8.6.

Key Highlights

Introduced variable length traversal semantics
Removed Bolt protocol support
Optimized single shortest path (SPpaths) and Dijkstra algorithms
Enforced maximum length on identifiers

Breaking Changes

Removed Bolt protocol support

New Features

Variable length traversal semantics
Optimized pathfinding algorithms
RediSearch 8.6 build infrastructure

Full Release Notes

## What's Changed

### 🚀 Features & Semantics
* Variable Length Traversal semantics by @GomezGab in #2156
* Enforce a maximum length on identifiers by @GomezGab in #2108

### ⚡ Performance
* Improve algo.SPpaths single shortest path performance by @swilly22 in #2163
* Optimize dijkstra by @swilly22 in #2173
* Defrag locking by @swilly22 in #2175

### 🐛 Bug Fixes
* fix(defrag): don't stall or orphan writes under active defrag by @DvirDukhan in #2191

### 🔧 Changes
* remove bolt support by @swilly22 in .#2170

### 📦 Dependencies
* chore(deps): update libcurl to curl-8_21_0 by @github-actions[bot] in #2153

### 🧪 CI & Internal
* ci: RediSearch 8.6 build infrastructure by @DvirDukhan in #2101
* ci(build): decouple promote-toolchain from the app build by @DvirDukhan in #2113
* test(flow): increase code coverage with tests by @gkorland in #2067
* Fix coderabbit config by @gkorland in #1936

**Full Changelog**: https://github.com/FalkorDB/FalkorDB/compare/v4.18.11...v4.20.0