Re-enable download and upload of larger attachments (#1591/ce0e39a)
Prevent situation where lack of keys makes "Error handling incoming message." common (#1595)
Stay connected or reconnect quickly in changing network conditions, returning from sleep, etc. (#1593)
Don't send read syncs (to your devices) or read receipts (to client devices) for messages with errors (#1596)
Fix occasional very long app startup (#1597)
Don't check for auto updates on linux; handled by package manager (#1592)