The official HFW 4.93.1 has a EULA date of March 18, 2026 and an MD5 of D5B1F953972D0FBBBA5981181D5DD086
This firmware has been tested with PS3HEN 3.5.0
https://www.ps3xploit.me/firmware/hfw/HFW_4.93.1_PS3UPDAT.PUP
Huge thanks to @Joonie for helping me build the firmware :)
4.92.1 Hybrid Firmware (HFW).
A FW (installable on unmodified systems) that restores 4.82 webkit to 4.92.
MD5 of PUP: D9E8FB1AC0303C514656A0AF48BCD3E7
If official site is down, use this MIRROR (MEGA).