v4.22.0 v3.8.51

Name: astryx
Author: facebook

facebook/astryxSep 30, 2026 → Sep 30, 20260 days between releases

Generating AI comparison

Analyzing what changed between v4.22.0 and v3.8.51. This page updates automatically — usually within a minute.

The Two Releases

v4.22.0

Sep 30, 2026· 21 days ago

Introduces advanced path-finding algorithms and a Customizable Contraction Hierarchies (CCH) path index to the C engine, along with RDB encoding updates.

Full release notes

v3.8.51

Sep 30, 2026· 22 days ago

A major release introducing new providers, advanced routing strategies, video/audio capabilities, and significant security hardening.

Full release notes