v5.11.0

Changelog

5.11.0 – 2026-08-20

Added

• Initial JMAP protocol support
• Attach files from Files as an attachment or as a link
• Drag, drop and paste attachments into the composer
• Save an email as an .eml file in Files
• "Copy direct link" action in the message menu
• Heading shortcuts in the editor
• Save draft with Ctrl+S in the composer
• Preserve custom font sizes and families in the editor
• Configurable auto mark-as-read delay
• Sync IMAP and SMTP credentials while filling in the new account form
• Filter folders in the mailbox picker
• Empty state for text blocks
• Webhook-compatible events

Changed

• Translations

Fixed

• Reply to sender only
• Replying to your own message now addresses the original recipient
• Rate limit all IMAP server authentication rejections
• Favorites list no longer mounted when sorting is off
• Search shortcut buttons no longer taking up their own space
• Open messages from search via deep link
• Handle empty reply-to address list properly
• Attaching files from Files and listing calendars broken by the webdav 5 upgrade
• Database migrations broken on Nextcloud 35 by the new schema API
• Preserve resized image dimensions in sent messages
• Attachment preview no longer offered when the Viewer app is disabled
• Sandbox iframes in rendered HTML messages