Hey man, it’s basically 2 commands. I fixed my setup like this :
flatpak update --commit=2151b1e101f1266d135040c142f4c36a7e3373dc772e75a509a38efc39ded993 org.mozilla.Thunderbird
when done copy this.
flatpak update --commit=cbb56c7054d2893acf77b5cdfd0adc0588adc090edb49a92d79ac6e8f7983ad4 org.mozilla.Thunderbird.Locale
and that’s it ! Excuse the linewrapping, it’s just 1 command each.