Updated to Phoenix 2025.02.28.1
User agent has been frozen to
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Thunderbird/128.0to protect against fingerprinting. This is the same as what Firefox uses on RFP/FPP *(We can't spoof the user agent with RFP/FPP on Thunderbird, as it currently lies and pretends to be Firefox, which causes breakage and undesired behavior (such as breaking the ATO :/) -general.useragent.override->Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Thunderbird/128.0Enabled a prompt on Thunderbird's launch to ask users before going online -
offline.startup_state->1Disabled FFmpeg to reduce attack surface -
media.ffmpeg.enabled,media.ffmpeg.encoder.enabled,media.ffmpeg.vaapi.enabled,media.rdd-ffmpeg.enabled, &media.utility-ffmpeg.enabled->falseDisabled Firefox Translations, as it's unfortunately currently impossible to download languages/actually use in Thunderbird... -
browser.translations.alwaysTranslateLanguages-> ,browser.translations.automaticallyPopup,browser.translations.enable, &browser.translations.select.enable->falseRemoved default link to Google Groups -
mailnews.messageid_browser.url->Explicitly disabled insecure NTLMv1, as some Thunderbird packages (such as Fedora's) override it... :/ -
network.negotiate-auth.allow-insecure-ntlm-v1->falseExplicitly enabled mozilla::pkix certificate verification, as some Thunderbird packages (such as Fedora's) override it... :/ -
security.use_mozillapkix_verification->trueOther minor tweaks, fixes, clean-up, & enhancements
Codeberg: See here for more details.
GitLab: See here for more details.
GitHub: See here for more details.
:)