Collabora Online 4.0 Release Notes

Collabora Online 4.0.13

Released on January 5, 2021


  • Security and stability fixes in core

Collabora Online 4.0.12

Released on September 4, 2020


  • Security and stability fixes both in online and core
  • Remove default file descriptor limit (helps with some situations on larger systems)

Collabora Online 4.0.11

Released on March 12, 2020


  • Updated translations
  • Fixed printing under Internet Explorer 11
  • Deduplicated entries in Get_Export_Formats_Resp (tdf#123892)
  • Stability fixes
  • Do not claim support for .odb and .oxt files in WOPI discovery

Collabora Online 4.0.10

Released on January 21, 2020

New feature

  • Allow to pass cookie in WOPI URL. It allows users to specify a cookie per client (not only per request as in the past).


  • Accelerate rendering of wavy underlines of misspelled words
  • Don’t send LOK notifications about redlines during save, which caused 100% CPU load on save for documents with lots of tracked changes
  • DOCX import: fix chart positioning (tdf#128207)
  • Speed up dialog launches by avoiding emission storms of un-necessary invalidations
  • SslSocket: handle EAGAIN properly (tdf#129306)
  • Performance win in Calc tile rendering by avoiding constant growth of pre-loading area
  • Fixed a crash at first start of the LOKit
  • Fixed a potential problem with watermarks where weak hashes could collide
  • Fixed first save failure when a new document was created from a template

Collabora Online 4.0.9

Released on November 28, 2019

New features

  • Improved watermark rendering in Secure View.
    • It is possible to override watermarks from the config file.
    • Watermarks are 45° rotated.
    • Watermarks are not displayed outside of the document area.
  • Action_Save now supports ExtendedData with custom contents, which is passed to the WOPI-like Host.
  • New setting to always save documents on exit and upload to the WOPI-like Host.
  • Introduced the “TemplateSource” WOPI property (for NextCloud’s GlobalScale architecture).
  • Search results in read-only documents are now highlighted.
  • New platform supported: CentOS 8 / RHEL 8


  • Improved stability, shutdown, and service life-cycle management.
  • Calc’s NOW() function shows the server’s local time correctly
  • Build with latest POCO C++ Libraries 1.9.4

Collabora Online 4.0.8

Released on October 23, 2019

New features

  • Packages for Debian 10.
  • Different watermarks for different views (users) with Secure View.
  • Support reordering of slides via drag-and-drop.
  • Forced upload to storage on exiting document, when per_document.always_save_on_exit is set.
  • Improved Calc scrolling performance.
  • Improved startup → less flicker, hide progress-bar for ~2-3 seconds.
  • The dimming when a document is not in use, is slower.


  • Occasional erroneous limits popup is now gone.
  • Font size list behaved wrong, not showing fonts in some situations.

Collabora Online 4.0.7

Released on September 13, 2019

New feature

  • Added Watermark opacity setting
    • Opacity of on-screen watermark can be set from 0.0 to 1.0. The default is 0.2.


Collabora Online 4.0.6

Released on August 29, 2019

New features

  • Support show/hide of Format menu
  • Added reuse cookie option for WOPI client
  • Added server uptime field to admin console


  • Set text field modified on edit in Impress
  • Significantly improved complex, and multi-user spreadsheet rendering performance

Collabora Online 4.0.5

Released on July 12, 2019

New features

  • Added API to remove menu items
  • Debian 10 packages
  • Allow disabling idlesave and autosave from configuration


  • Prefer HTML over RTF for pasting on the Mac.Safari provides RTF clipboard content which doesn’t contain the images. We do not know where the content comes from, so let’s always prefer HTML over RTF on Mac.
  • Handle file names with ‘%’ character in them
  • When there is only one slide in a presentation document, it cannot be deleted.
    Disable the “Delete Slide’ button and menu item in this case.
  • Added ‘paste’ event listener to tunneled dialogs, that allows pasting content into tunneled dialogs.
  • Added support for defragmentation of incoming websocket fragmented messages and handled some protocol error cases.
  • Don’t count convert-to connections (for thumbnail generation) vs. the document count.
  • Cleanup convert-to folder even more reliably.
  • Open ODG files (Draw documents) as read-only.
  • Chunked transfer encoding. Important for convert-to on larger documents and/or with newer curls.
  • Fixed Calc scrolling with selection.Scrolling with selected sheet was endless. This change allows scrolling using mouse wheel when scrollbar is close to the end of screen and prevents from doubled updates.
  • Handle non-BMP character input on mobile devices
  • Handle dead keys in iOS app and iOS Safari against Online

Collabora Online 4.0.4

Released on May 9, 2019

New feature

  • Added RenameFile Support for WOPI


  • Fixed the duplicated character issue with certain Chinese and Korean IMEs
  • Fixed entering ‘.’ character with French AZERTY keyboard
  • Prevent view from jumping on zoom in/out on mobile
  • Show progressbar centered in the mobile
  • Changing text properties in Impress now makes the presentation modified
  • Fixed PDF export of multi-page documents
  • Fixed file corruption of spreadsheets that had frozen rows/columns

Collabora Online 4.0.3

Released on March 25, 2019

New feature

  • Add sort buttons to the toolbar in Calc


  • Fix Save As when ‘%’ character is used within the filename
  • Disable Thesaurus menu, when thesaurus is not available
  • Fix a crash, when trying to accept changes
  • Fix a crash, that occurred when no spelling dictionaries were available
  • Make PDF export watermarks look like watermarks in online editor
  • Fix that edits from multiple users got mixed up sometimes

Collabora Online 4.0.2

Released on March 14, 2019

New features

  • Follow other editor: the flag with the user name is always displayed above the other users’ caret when they are typing or moving around in the document. When the other users stop, the flag fades away after a second or two.
  • It is possible to switch slides with up/down arrow keys on the left hand side Slide pane.
  • Help URL is configurable in /etc/lookitconfig.xcu and when the URL is blank, the Help buttons on dialogs are hidden.
  • LOKit is built with MPLv2 subset configuration (excluding (L)GPL licensed 3rd party components)


  • Cleanup convert-to folder more reliably
  • Show user colors when no avatar is available
  • Do not disable the Close Document menu for read-only docs
  • Last modification link should lead to revision history only when revision history feature is enabled
  • Show normal statusbar in narrow window
  • Localization fixes

Collabora Online 4.0.1

Released on February 28, 2019


  • Watermark of tiles appears in printed document
  • Dropdown button of Data -> Validation in spreadsheets is rendered again
  • Clicking on individual chart elements is possible again
  • Typing in one view does not cause the other view to jump back to its cursor anymore
  • In mobile Chrome the ‘>>’ on the toolbar is now hidden after scrolling to the right
  • On mobile devices toolbar buttons are not enabled anymore in read-only mode at start
  • Moving caret around in text box in presentations by clicking around is possible again
  • Fix various functions, e.g. insert image function after creating a new file from a template on Nextcloud
  • Display slide background in full-screen presentation (tdf#115549)
  • Logo is customizable again with the document-logo class in CSS
  • Updated translations

Other changes

  • Discontinued support of SUSE Linux Enterprise 11 SP4
  • Started support of openSUSE 15.0 and SUSE Linux Enterprise 15

Collabora Online 4.0

Released on February 14, 2019
Please read the announcement.