Please find all information on updates, features, and fixes of the Collabora Online 25.04 branch on this page. Details about security updates are available here. For the best experience, we recommend that you use the latest version of Collabora Online from our most current stable branch. Minor releases bring new features, micro releases fix bugs.
Collabora Online 25.04.3.4
Released on 31 July 2025.
Bug Fixes
- Fixed: a deadlock that caused document loading failure when LanguageTool was configured
- Fixed: DOCX export of list level format with repeated levels (tdf#166975)
- Fixed: problem with deleting of interdependent redlines (tracked changes) (tdf#166319)
Collabora Online 25.04.3.3
Released on 24 July 2025.
Features
- Redline support in doc extract API in COOL
Bug Fixes/Improvements
- Fixed: Web admin console not reachable if server_name or ssl.termination settings enabled
- Fixed: Calc: Copy paste; only formula output is copied
- Fixed: Calc: Dark mode does not show fonts well (cool #12280)
- Fixed: Fileopen DOTX: Text not positioned where needed (tdf #167379)
- Fixed: FILEOPEN DOCX Table formatting falls apart in specific document (tdf #167229)
- Fixed: Writer doc with shape exported as PDF fails to open in PDF reader (tdf #166709)
- Fixed: Filesave DOCX: heading style changes to default (tdf #167082)
- Fixed: FILEOPEN DOCX Floating table rendered at the top of the next page instead of the bottom (tdf #167222)
- Fixed: RTF import: bad image size inside shape (tdf #167044)
- Improved: Interdependent change tracking (tdf #166319)
- Fixed: Loading XLSX file with complex formula and comments is slow (tdf #166684)
- Fixed: Writer: Font color is not working in text box
- Fixed: Many Ctrl+Shift+(symbol) shortcuts aren’t working (tdf #166740)
- Fixed: Saving back a particular document (with a single-character autostyle name) crashes (tdf #166939)
- Fixed: Text moves to the next page, keeping large empty spaces in documents with many small paragraphs in multiple columns with document statistics (tdf #166871)
- Fixed: Selecting “Clear List” in the Start Center causes pinned thumbnails not to be displayed (tdf #166349)
- Fixed: Customization for Base “Standard” toolbar is stored in the document even if “Base” is selected in scope (tdf #146256)
- Fixed: Repairing a generated ODT (an invalid ZIP package) causes image loss (tdf #166862 )
- Fixed: On Windows, tree view elements with undetermined state (“on demand”) have non-native expand icons ( tdf #166811 )
- Fixed: New commit causes page flickering and unwanted white space (tdf #166691)
- Fixed: Calc crashes after calculating descriptive statistics and then closing (tdf #166837)
- Fixed: Unable to export a Draw/Impress document to SVG from Basic IDE ( tdf #166779)
- Fixed: SVG Export: text with “fit to size” attribute has incorrect width (tdf #166789)
- Fixed: RTF export: lost section break after Writer section (tdf #166879 )
- Fixed: All apostrophes change to Asian font when there is Asian text in the paragraph (tdf #166104)
- Fixed: Writer table: outside border not visible for very small cell with padding (tdf #166517)
- Fixed: LOOKUP only works sporadically when referring to an external file (tdf #163614)
- Fixed: FILEOPEN RTF: Page break in hidden paragraph disappears (tdf #165094)
- Fixed: Japanese vertical writing: candidate list rotates (Microsoft IME) (tdf #147299)
- Fixed: Freeze when opening Writer document with large page-filling shapes and GPU rendering (Skia/Metal and Skia/Vulkan) (tdf #166715)
- Fixed: Underscores stripped from bookmark display on right-click over page number box (tdf #164226 )
- Fixed: To set the listbox Selection property, the ellipsis tool works with inverted Multiselection semantic (tdf #166612)
- Fixed: To set the listbox Selection property, the ellipsis tool inserts unwanted values
- Fixed: No gap between note number and endnote text when exporting to DOC/DOCX/RTF (tdf #166620)
- Fixed: Full screen floating toolbar moves offscreen after several full screen cycles (tdf #164337)
- Fixed: FILEOPEN DOCX: Paragraph before section page break has incorrect bottom spacing (tdf #166510)
- Fixed: FILEOPEN DOCX: No top spacing after field with page break (tdf #166544)
- Fixed: List of open documents/windows is incorrect after closing one (Linux-only) (tdf #166200)
- Fixed: FILESAVE ODT → DOCX: Margins swapped for EVEN/ODD page styles (tdf #165083)
- Fixed: FILEOPEN RTF: Incorrect import of character style properties (tdf #166191)
- Fixed: FILEOPEN PPTX: Font size too big in textbox (with shrink text on overflow) (tdf #165712)
- Fixed: Backspace at paragraph start for non-counted numbered paragraph doesn’t decrease indent (tdf #166795)
- Improved: Copy-pasting images from document gives no visual feedback for a long time
- Fixed: Calc: Comment rectangles are mis-rendered when near split view
- Fixed: Calc: Difficulty in resizing the textbox
- Fixed: Chartex charts were lost when importing from OOXML and re-exporting (tdf #165742)
- Fixed: PPTX with failed embedded fonts crashed on save (tdf #167214)
- Fixed: FILEOPEN DOCX: Numbering format corrupted by % symbol (tdf #166975)
- Fixed: FILEOPEN: Track changes were displayed in the numbering lists (tdf #157596)
- Fixed: Text box context menu displayed incorrectly (tdf #166633)
- Improved: Optimization to minimize server load and network traffic when saving user configurations (cool #11656)
- Improved: Slow loading of first tiles in Writer for large documents (cool #12184)
- Improved: German Language shortcuts: Made CTRL+SHIFT+(F,K,U) global across all apps
- Fixed: Impress: Master View didn’t set master thumbnails correctly
- Fixed: Sidebar reopening caused a screen shift animation glitch (cool #12180)
Collabora Online 25.04.2.3
Released on 19 June 2025.
Major release of Collabora Online. Please find all details in the 25.04 announcement.
- We have updated our PGP signing key for COOL and CODE .rpm and .deb packages to align with modern standards. This change is necessary as some recent Linux distributions have migrated to Sequoia-PGP for key and signature verification.
- Action required:
Users will need to update the Collabora Online PGP key on their systems. This can be done using the following commands:- On RPM based distros:
wget -O repomd.xml.key https://collaboraoffice.com/repos/CollaboraOnline/CODE-rpm/repodata/repomd.xml.key && sudo rpm --import repomd.xml.key - On DEB based distros:
cd /usr/share/keyrings && sudo wget -O collaboraonline-release-keyring.gpg https://collaboraoffice.com/downloads/gpg/collaboraonline-release-keyring.gpg
- On RPM based distros:
- Action required: