v4.20.0

AudarAI/Audar-ASR-V1v4.20.0Jul 13, 2026by swilly22

AI Summary

A major feature release introducing variable-length traversal semantics and identifier constraints, alongside performance optimizations for shortest path algorithms. It also removes Bolt support and updates dependencies.

Key Highlights

Introduced Variable Length Traversal semantics
Performance improvements for shortest path algorithms (SPpaths and Dijkstra)
Defragmentation locking improvements and bug fixes
Removal of Bolt support

Breaking Changes

remove bolt support

New Features

Variable Length Traversal semantics
Enforce a maximum length on identifiers
Optimize dijkstra algorithm
Fix defrag to not stall or orphan writes

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