Thunderbird 115.10.0 - 115.10.1 problem inbox
An unread message in the inbox disappears for a moment after a restart and then comes back again. The same thing usually happens with the first message in the inbox since… (meer info)
An unread message in the inbox disappears for a moment after a restart and then comes back again. The same thing usually happens with the first message in the inbox since the 115.10.0 update of Thunderbird