WordPress News
Autoptimize 3.1.17 Released
What’s new in Autoptimize 3.1.17
Released: 2026-10-25
Active installations: 800,000
Tested up to WordPress 7.1.3
Requires PHP 7.4
Changelog
- fix regression with image optimization when W3 Total Cache is active, thanks to Andy for reporting & confirming fix
- security improvement for Google Font optimization, thanks to Shinya (@4n86rakam1) for reporting & confirming fix
Previous releases
3.1.16
- Security: overall hardening of Autoptimize, e.g. replacing some regular expressions with a more modern, safer approach.
- CSS minification: fixes for problems with alpha channel of rgb()/hsl() colors (thanks to @hinnerk-a)
- Critical CSS: improvements to job queueing and settings page tweaks
- confrimed OK with WordPress 7.1
3.1.15.1
- fix for “Uncaught Error: Using $this when not in object context” when preloads are set