v4.20.0

huggingface/speech-to-speechv4.20.0Jul 13, 2026by swilly22

AI Summary

This major version release introduces Variable Length Traversal semantics and enforces maximum identifier lengths. It includes performance optimizations for shortest path algorithms and defragmentation. Notably, it removes Bolt support and upgrades the CI infrastructure for RediSearch 8.6.

Key Highlights

New Variable Length Traversal semantics
Enforced maximum length on identifiers
Performance optimizations for SPpaths and Dijkstra
Removal of Bolt support

Breaking Changes

remove bolt support

New Features

Variable Length Traversal semantics
Enforced maximum length on identifiers

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