All Platforms

Updated Firefox to 115.8.0esr
Updated uBlock Origin to 1.56.0
Updated mullvad-browser-extension to 0.8.5
Bug 262: Mouse-over long links causes the browser element to re-center relative to width of status tooltip [mullvad-browser]
Bug 268: Rebase Mullvad Browser Alpha onto 115.8.0esr [mullvad-browser]
Bug 42376: The placeholder of datetime inputs keeps being localized when spoof English is on [tor-browser]
Bug 42378: spoof english + htmlform
can leak app language [tor-browser]
Bug 42387: Visual noise in 13.5a4 letterboxing [tor-browser]
Bug 42389: Betterboxing: gradient is never shown [tor-browser]
Bug 42390: Betterboxing: make the decorator border disappear when the corners are flat [tor-browser]
Bug 42397: Change RFP-spoofed Timezone from UTC to a real-world, less discriminable one [tor-browser]
Bug 42398: Include Alpha and Nightly in MOZ_APP_DISPLAYNAME (and possibly in other places) [tor-browser]
Bug 42423: Move temporary Lox Fluent strings to new file [tor-browser]

macOS

Bug 41038: Add RPM dependencies to README [tor-browser-build]
Bug 41067: Use Capture::Tiny instead of IO::CaptureOutput [tor-browser-build]
Bug 41072: Set correct updater_url for Mullvad Browser nightly builds [tor-browser-build]
Bug 41081: Update detailsURL in tools/signing/nightly/update-responses-base-config.yml [tor-browser-build]
Bug 41085: kick_devmole_build script prints wrong URL for Mullvad's build hashes [tor-browser-build]
Bug 40068: Switch from IO::CaptureOutput to Capture::Tiny [rbm]
Bug 40069: Make stdout and stderr utf8 [rbm]
Bug 40071: Add an option to create zip files using 7z [rbm]
Bug 40072: Move capture_exec to a separate module [rbm]

Bug 41084: $app_bundle is missing the final .app in projects/firefox/build [tor-browser-build]