App Suite UI (latest)
All versions
Imprint
All versions
Imprint
  • Feature Catalog
    • General
      • Getting around
      • Search and notifications
      • Settings and appearance
      • Signing in
      • Account and security
      • Onboarding and devices
      • Working with content
      • Sharing and delegation
      • Storage, plans and feedback
      • Progressive Web App
      • Feedback
      • Upsell
      • Triggers
    • Mail
      • Reading and organizing
      • Attachments
      • Writing and sending
      • Security and trust
      • Accounts and automation
      • Signatures and templates
      • Working with the other apps
      • BIMI
    • Calendar
      • Seeing your day
      • Appointments
      • People and invitations
      • Calendars and subscriptions
      • Rooms and resources
      • Video meetings
      • Search, print and transfer
    • Address Book
      • Contacts
      • Address books
      • Finding people
      • Lists and the other apps
    • Tasks
      • Tasks
      • Task lists and delegation
      • Working with the other apps
    • Drive
      • Working with files
      • Finding and arranging
      • Sharing
      • Storages and capacity
      • Working with the other apps
      • OpenCloud Drive Integration
    • Portal
    • Enterprise and Provider Edition
    • Compliance

      • Accessibility
      • Accessibility Conformance Report
      • Data protection
  • Upgrade Guide
    • Everything new since 7.10.6
    • From 7.10.6 to 8.35
    • From 8.35 to 8.47
    • From 8.47 to 8.55
    • Breaking changes and requirements
  • Deployment Guide

    • Configuration
    • Settings list
    • Login page
    • What's New dialog
    • Mail assets
    • Mail rendering and security
    • All messages folder
    • Unseen messages folder
    • Theming
    • Authentication
    • Browser support
  • Customize & Extend
    • Manifests
    • Toolbars and menus
    • Portal widget
    • Sign In
    • Internationalization
  • Architecture
    • Core UI service

Upgrade Guide

What a deployment gains by moving to a newer release, feature by feature, with each entry linking to its page in the Feature Catalog.

These lists are generated from the catalog itself, so a feature appears under the release it actually arrived in rather than the release that last touched its code.

Pages

PageWhat it covers
Everything new since 7.10.6Every feature added across the whole 8.x line - the list for a deployment still on 7.10.6
From 7.10.6 to 8.35What moving from 7.10.6 to the 8.35 LTS brought
From 8.35 to 8.47LTS to LTS, between the two long-term support releases
From 8.47 to 8.55From the current LTS to the latest release
Breaking changes and requirementsThe other half of an upgrade: what a release asks of a deployment before or after the move

What these lists do not say

A feature shown as since 7.10.6 or earlier is absent from all of them, because nothing is gained by upgrading to get it. That bucket is large: of 253 catalog features, 85 arrived during the 8.x line and the rest were already there.

Where a long-standing feature was reworked rather than introduced, the rework is noted on the feature's own catalog page instead of appearing here as if it were new.

Last Updated: 10/7/26, 2:41 PM
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Feature Catalog