User authentication can be carried out both via a local database and through integration with LDAP\/Active Directory, Kerberos, IMAP, and Shibboleth\/SAML 2.0, including the use of two-factor authentication, SSO (Single Sign-On), and linking new systems to the account via QR code. Version control allows tracking changes in files, comments, sharing rules, and tags. <\/p>\n
The main components of the Nextcloud Hub platform: <\/p>\n
- \n
- Files \u2014 organization of file storage, synchronization, sharing, and exchange. Access can be achieved via the web, as well as through client software for desktop and mobile systems. Advanced features include full-text search, attachment of files when sending comments, selective access control, creation of password-protected links for downloads, and integration with external storage (FTP, CIFS\/SMB, SharePoint, NFS, Amazon S3, Google Drive, Dropbox, etc.). <\/li>\n
- WorkFlow \u2014 optimizes business processes through the automation of routine tasks, such as converting documents to PDF, sending messages to chat when new files are uploaded to specific directories, and automatic tag assignment. Custom handlers can be created to perform actions linked to specific events. <\/li>\n
- Nextcloud Office \u2014 built-in tools for collaborative editing of documents, spreadsheets, and presentations, developed in partnership with Collabora. Supports integration with OnlyOffice, Collabora Online, MS Office Online Server, and Hancom office packages. <\/li>\n
- Nextcloud Collectives \u2014 provides an interface for managing, organizing collaboration, and interactions among participants in teams, groups, and communities. <\/li>\n
- Nextcloud Teams \u2014 tools for coordinating team work and organizing access to resources, files, and applications used within the group. <\/li>\n
- Photos \u2014 an image gallery that simplifies searching, sharing, and navigating through a shared collection of photos and images. Images can be ranked by time, location, tags, and viewing frequency. <\/li>\n
- Calendar \u2014 a scheduling calendar that allows for coordinating meetings, planning chats, and video conferences. Integration with collaborative tools based on iOS, Android, macOS, Windows, Linux, Outlook, and Thunderbird is provided. Supports importing events from external sources that use the WebCal protocol. <\/li>\n
- Mail \u2014 a shared address book and web interface for managing email. Multiple accounts can be linked to one inbox. Supports email encryption and the attachment of digital signatures based on OpenPGP. Synchronization of the address book is possible using CalDAV. <\/li>\n
- Talk \u2014 a messaging and web conferencing system (chat, audio, and video). Supports groups, allows screen content sharing, and provides SIP gateway support for integration with traditional telephony. <\/li>\n
- Nextcloud Backup \u2014 a solution for decentralized backup storage. <\/li>\n
- Nextcloud AI Assistant \u2014 an intelligent assistant in the style of ChatGPT, installed on your own server<\/a> and does not require access to external services. The AI Assistant can be used to generate text on demand in natural language, extract key ideas from lengthy descriptions, create headlines, rewrite text in other words, or translate into another language. <\/li>\n<\/ul>\n
Key Innovations of Nextcloud Hub 26 Winter (releases are now numbered as «year time_of_year»): <\/p>\n
- \n
- Simplified migration of user data between servers<\/a>. An application for importing and exporting email correspondence, address books, calendar planners, sheets, and Deck projects has been added.
![\"Release](\"\/wp-content\/uploads\/2026\/02\/1332f6547ce9f6e57f876f9cc4938875.png\")
\n- Enhanced capabilities for building a federated network, encompassing users from other servers<\/a> Nextcloud. In addition to file sharing, chats, and video calls with users on other servers, support for a federated network has been added to the Nextcloud Deck project management system, the calendar planner, and the Nextcloud Teams collaboration tool. For example, chats now allow for the creation of groups that include users from other servers, as well as granting external users access to tasks in projects and events in the calendar planner. File locking has been added to enable collaborative work on files across multiple servers.
![\"Release](\"\/wp-content\/uploads\/2026\/02\/24ef5217e4778b344e8bcc8e47b3c470.jpg\")
\n- When using the web interface, support for end-to-end encryption of data on the client-side has been added, allowing management of encrypted files in the browser, setting specific access rights to encrypted files, and providing other users with links for downloading them.
![\"Release](\"\/wp-content\/uploads\/2026\/02\/ab095089c94af38ed3d51bbb88f9df38.jpg\")
\n- Support for automatic labeling for classifying confidential files based on their properties and metadata has been added. Labels are automatically adjusted when the document's properties change.
![\"Release](\"\/wp-content\/uploads\/2026\/02\/f9a667e95a6024502b1e0cbd77015fe2.jpg\")
\n- An option has been added in the settings to prohibit external invites in the calendar planner (when activated, invites can only be received from other users of the same server). server<\/a>).\n
- In Nextcloud Talk, the ability to pin messages in chats has been added to keep group announcements, links, and reminders in view (it is possible to set the duration for which the message will be pinned). Support for delayed message sending according to a schedule has been implemented. Chat now features modes for a clearer separation of messages and for right-aligning one's own messages.
![\"Release](\"\/wp-content\/uploads\/2026\/02\/8012d4f2907ab9dd8c0b371a9ec61278.png\")
\n- In the video conferencing system, AI support has been implemented for displaying text transcriptions of speeches and translating them in real-time into other languages. Additional settings have been provided for automatic volume leveling, noise suppression, and echo cancellation during simultaneous conversation among multiple participants. The effectiveness of background blurring in videos has been enhanced.
![\"Release](\"\/wp-content\/uploads\/2026\/02\/786ad882cc1d6c8ba541c4ecb9e54347.jpg\")
\n- The email client now displays information about email attachments next to the subject line in the list of incoming correspondence. The quick filtering interface for emails has been expanded, allowing users to highlight unread emails, emails with attachments, and emails from specified email addresses.
![\"Release](\"\/wp-content\/uploads\/2026\/02\/b2ca7c3c9327c3fb36168e0b28a855e5.png\")
\n- An option has been added for automatically transferring meeting invites received via email to the calendar planner. Support for pinning emails from specifically marked important discussions at the top of the inbox list has been provided. A compact view mode has been added, where the email body preview is turned off, showing only subjects.
![\"Release](\"\/wp-content\/uploads\/2026\/02\/29787142d3347079dc3ff52bf15f7f11.png\")
\n- Nextcloud Office has introduced a feature for visually comparing different documents side by side. A mode for navigating changes within a single document useful for reviewing modifications has also been added. The interface for reading and annotating comments has been improved. Quick access to settings through the Options menu in the Files tab has been provided.
![\"Release](\"\/wp-content\/uploads\/2026\/02\/fe21c15bb463a0e6b58463804c1c3e2b.png\")
\n- Nextcloud Text now supports documents with LaTeX markup.
![\"Release](\"\/wp-content\/uploads\/2026\/02\/0e6c57e2771e4d0f20000fb2f2bb9424.png\")
\n- The Nextcloud Whiteboard application, which allows collaborative creation of drawings, sketches, notes, plans, and drafts, has added support for reactions, comments, tables, polls, and timers (for limiting collaborative work time). An interface for navigating through versions of the created content has been introduced.
![\"Release](\"\/wp-content\/uploads\/2026\/02\/5a8a3bb6c052bb68cc203553a168b28d.jpg\")
\n- AI tools have been enhanced to include labels about AI usage when generating images, documents, and audio recordings. History in AI chats is now retained. Significant performance improvements for locally executed models for text and image generation, speech synthesis and recognition, and translation have been made. Support for Olmo 3 and IBM watsonx toolkits has been added, with integration provided for Recognize and OpenAI services.
![\"Release](\"\/wp-content\/uploads\/2026\/02\/3c2883b160ebc1105b260a8d0613cf13.png\")
\n- A new engine, ADA (Accelerated Direct Access), has been implemented to manage permissions and access rights when collaborating on data. The engine includes components in PHP, Go, and Rust, utilizes Snowflake ID identifiers, and supports direct file and thumbnail uploads from S3 storage.\n
- A new backend, HPB (High Performance Backend), for Nextcloud Files has been implemented, written in Rust, allowing for an 80% reduction in traffic between proxy server<\/a> and the client. The backend HPB for Nextcloud Talk, rewritten in Go, has also been updated, allowing a 40% reduction in server load and a 20% increase in the retrieval speed of shared data. Resource consumption during thumbnail generation in Nextcloud Photos has been reduced by 40-90%.\n
- The interface has been improved, and performance optimization has been conducted for mobile applications on iOS and Android. Nextcloud Assistant chat has been added. A quick connection to the account via a QR code generated in Nextcloud Talk or Nextcloud Files has been introduced. <\/ul>\n
- Enhanced capabilities for building a federated network, encompassing users from other servers<\/a> Nextcloud. In addition to file sharing, chats, and video calls with users on other servers, support for a federated network has been added to the Nextcloud Deck project management system, the calendar planner, and the Nextcloud Teams collaboration tool. For example, chats now allow for the creation of groups that include users from other servers, as well as granting external users access to tasks in projects and events in the calendar planner. File locking has been added to enable collaborative work on files across multiple servers.
- Simplified migration of user data between servers<\/a>. An application for importing and exporting email correspondence, address books, calendar planners, sheets, and Deck projects has been added.