prepping new release

Author: soulgalore

CHANGELOG.md

@@ -1,6 +1,10 @@
 
 # CHANGELOG - sitespeed.io  (we use [semantic versioning](https://semver.org))
 
+## 39.3.1 - 2026-01-11
+### Fixed
+* There where something broken in Browsertime 26.3.0 together with the new bidi-har 0.0.20 for Firefox so I reverted to 0.0.18 until its been fixed with Browsertime/bidi-har [#4579](https://github.com/sitespeedio/sitespeed.io/pull/4579).
+
 ## 39.3.0 - 2026-01-10
 ### Added
 * Updated to Browsertime 26.3 with and updated version of bidi-har that makes it possible to get response bodies in the HAR file for Firefox [#4578](https://github.com/sitespeedio/sitespeed.io/pull/4578).