4.1.1 Calendar - HorlogeSkynet/thunderbird-user.js GitHub Wiki

These options aren't really relevant if you're sending from an email such as [email protected], information about you will likely be kept by the domain registrar.

• privacy.resistFingerprinting When this is set to true your emails will be sent from a UTC timezone
  • If you do not want to have a UTC timezone then it is best you just comment out privacy.resistFingerprinting. If you set it to false you'll find that the DateTime picker in Calendar will not work and will loop back to -1 years with a date of 30/12/02. You'll also see this error in console JavaScript error: chrome://calendar/content/datetimepickers/datetimepickers.xml, line 1875: RangeError: date value is not finite in DateTimeFormat.format()
• (Thunderbird <= v68) intl.regional_prefs.use_os_locales When this is set to false you won't see things according to your operating system's locale.