Changelog for 15.0.0 beta.2

[nickvergessen]

✅ Added

• 🗒️ Allow to create new files from within the chat
• 🌏 Show link previews for chat messages with links
• Show more details on the poll result screen
• Upgrade @nextcloud/vue to version 7

🔧 Changed

• Improve performance by using the UserDisplayNameCache
• Improve performance of chats with a lot of shared files
• Populate ETag and permissions so the image editor works as expected

🐞 Fixed

• Fix depenendency management and make sure all required dependencies are shipped
• Fix type of icon size
• Fix missing aria-labels and tooltips in various places
• Fix missing local media in share sidebar
• Fix missing screenshares in share sidebar
• Ensure that the reactions details is always an object
• Do not allow to close a poll twice
• Make handling of guest moderators more consistent