v15.0.0

✅ Added

• 🌏 Show link previews for chat messages with links
• 🛂 Chat permission
• 📊 Simple polls
• 📴 "Silent call" for group/public calls
• 🔔 Allow to re-notify a participant for a call
• 🔕 "Silent send" for chat messages
• 🔍 Search for messages in mobile apps
• 📵 Allow to disable calling functionality
• 📞 Allow SIP dial-in without individual user PINs
• 🗒️ Allow to create new files from within the chat
• ⏳ Expiration for chat messages
• 💻 New CLI commands for devops to monitor calls and rooms