If anyone is able to reproduce the problem, please before deleting the local langpacks from the profile directory, check its timestamp:
find ~/.thunderbird -name langpack*@thunderbird.mozilla.org.xpi -exec ls -l {} \;
and compare it against the date/time you first launched thunderbird after upgrading to 20.10.
If anyone is able to reproduce the problem, please before deleting the local langpacks from the profile directory, check its timestamp:
find ~/.thunderbird -name langpack* @thunderbird. mozilla. org.xpi -exec ls -l {} \;
and compare it against the date/time you first launched thunderbird after upgrading to 20.10.