v3.5.5

• Mastodon-bridge for call-notification and WebCall ID
• federated server improvements
• TextChat + mute mic
• hashed passwords only (db format change)
• removed outdated db-fields (db format change)
• caller multilanguage support
• dbg URL-parameter for caller and callee
• local and online app version shown in callee settings
• own video mirrored
• Greek translation
• replaced webcall/atombool with sync/atomic
• updated to adapter-latest v8.2.2
• resolved 2 vulnerablities in: golang.org/x/crypto + golang.org/x/net
• dozens of other improvements
• removed experimental support for Twitter-bridge and Call Buttons