If a classical-email-user sends an email to a group and adds new recipients, the new recipients will become group members.
Treat attached PGP keys from classical-email-user as a signal to prefer mutual encryption.
Treat encrypted or signed messages from classical-email-user as a signal to prefer mutual encryption.
Fix migration of old databases.
Fix: send ephemeral timer change messages only of the chat is already known by other members.
Fix: use relative paths to database and avoid problems eg. on migration to other devices or paths.
Fix read/write timeouts for IMAP over SOCKS5.
Fix: do not send "group name changes" if no character was modified.
Add Greek translation, update other translations.
Update to core104.
