New:
- Goanna layout and rendering engine 6.9
- Optimized build thanks to new mozconfig
- Built with Python 3
- UXP Release 2026-06-02
Further information: Release notes
The old 'mach' command from the SeaLion sources cannot compile the new SeaLion, as the new UXP depends on Python 3.
I used the new 'mach' command from the UXP sources which is compatible with Python 3.
I also had to remove Python 2 before I could compile the new SeaLion.
The x86_64 version was built on a PROXMOX VE server:
