All Platforms

• Updated Firefox to 115.13.0esr
• Bug 317: Rebase Mullvad Browser stable onto 115.13.0esr [mullvad-browser]
• Bug 42693: Backports security fixes from Firefox 128 [tor-browser]

Linux

• Bug 314: Mullvad Browser is not listed as a possible default browser application for Gnome on Ubuntu / Fedora [mullvad-browser]

Build System

All Platforms

• Bug 41166: Use the GitHub repository for firefox-l10n [tor-browser-build]
• Bug 41173: Fix permission issue on files in the debian directory [tor-browser-build]

Windows

• Bug 41177: Include Windows installer without -portable- in download json files [tor-browser-build]