Delta Chat

Invalid date

★ ignore click in info-messages from deleted in-chat apps
★ data saving: do not send messages to the server if user is the only member of the chat in single-device usage
★ protect metadata: encrypt message's sent date
★ do not fail to send messages in groups if some encryption keys are missing
★ synchronize contact name changes across devices
★ fix changing group names that was not working in some situations
★ fix: do not show outdated message text in "Message Info" of an edited message