QA/Dev Report: September 2026
General Activities
- LibreOffice 26.2.6 was announced on September 4
- Olivier Hallot (TDF) improved help for many Calc functions, alignment and number formats in Calc and the Data Range button in Calc’s Navigator. He also added meta data for cross referencing translated online help pages to improve web search results
- Alain Romedenne updated ScriptForge help
- Tulio Macedo polished the CSS styles for help
- Miklós Vajna (Collabora) added support for hidden text in Writer’s HTML import and updated PDFium library
- Xisco Faulí (TDF) added several automated tests, dropped the obsolete bundled Scheherazade font, fixed many issues found by static analysers, did code cleanups and upgraded many dependencies
- Mike Kaganski (Collabora) fixed saving form control label font and alignment to XLSX, fixed roundtripping of slide masters in PPTX files, fixed many PDF accessibility issues, continued polishing PPTX placeholder content support, fixed an Impress crash and fixed a change tracking formatting issue. He also did many code cleanups
- Caolán McNamara (Collabora) fixed a DOCX content control export issue, fixed import of encrypted PDFs, improved importing of autofit properties in PPTX files, fixed crashes and many issues found by fuzzers and static analysers and did code cleanups and optimisations
- Justin Luth (Collabora) fixed an issue with setting optimal column widths in Calc, fixed unwanted line numbering in headers/footers in imported DOC and DOCX files, fixed a vertical centering issue when exporting to DOC, fixed importing alignments of To Character anchored objects from DOCX, fixed horizontally filled text alignment in Calc cells, fixed a PPTX import issue with border colours, fixed File Properties dialog ignoring changes to preview image option when the user data option was also changed, fixed DOCX import issues with hyperlinks, content controls, frames in headers and fixed an issue with finding and replacing by colour
- Michael Weghorn (TDF) added Markdown import support to LibreOffice Android Viewer, made the custom colour picker widget work with right-to-left UI, worked on using native widgets in Qt UIs and did many code cleanups
- Balázs Varga (Collabora) optimised the performance of functions such as XLOOKUP and VLOOKUP and fixed importing bold and italic text in OOXML math formulas
- Christian Lohmaier (TDF) fixed a macOS build issue
- Heiko Tietze (TDF) removed the uno:SendFeedback command, added a tooltip showing the substituted font name in the font combobox, added indicator icons for font substitution, made icon fallback mechanism be aware of dark mode,
- Neil Roberts (TDF) fixed a string glitch in the chart insertion dialog, fixed an issue with setting PYTHONHOME, fixed a Find & Replace crash seen on macOS, made it possible to use the Calc VBA Application API from Python and added help for the Esperanto AutoCorrect option
- Andreas Heinisch made exporting of dashed lines to SVG more robust, greatly improved the performance of locking selections in AutoFilters, opening ODS files with large AutoFilters, moving a sheet to a different tab position when it has a chart based on a data range and of changing the default master slide design in a presentation with many slides, implemented XLSX import support for alignment and axis-based pivot area formats, made formulas in Calc remain visible when the Conditional Format dialog is open, fixed a delay in opening the Writer context menu when it included the Font Size command, fixed XLSX import of tab colours of protected worksheets, fixed missing closing list tags in HTML export, fixed a rendering glitch with tab stop symbols, fixed a delay in ruler updates when zooming, fixed a rendering glitch when closing an AutoFilter after certain actions, fixed not being able to remove a criterion from a Standard Filter without also removing the subsequent ones, fixed rendering of certain types of dashed lines in imported SVG files, fixed Matrix formulas in Calc not respecting the AutoCalculate setting in a spreadsheet, fixed links to call Basic scripts not working in Writer, fixed AutoFilter not being able to hide N/A errors while showing all digits, fixed an AutoCorrect crash, fixed exporting PDFs via macros with the option to allow duplicate field names, fixed a performance issue with adding many small images to Impress and made it possible to change the chart type to of-pie by macro
- Kurt Nordback (Collabora) continued working on funnel chart support
- Julien Nabet fixed inability to edit database ranges in XLSX files, fixed importing colour format codes from ODS, fixed defining font substitutions with a list separated by semicolons, fixed sorting issues in Japanese and Kurdish text, fixed differing measurement units appearing in Sidebar, improved the Tabbed Compact UI, fixed Print dialog in Writer not having the current page in the Pages field, fixed crashes, did code cleanups and updated help after menu changes
- Dan Williams (TDF) added support for Continuity Sketch, Camera and Scan Documents on macOS, improved headless mode on macOS and worked on the Qt UI
- Christopher Sherlock did code cleanups and refactoring in VCL
- Tomaž Vajngerl (Collabora) worked on Calc dynamic array support, polished the histogram chart implementation, fixed a document theme issue when roundtripping through ODP and PPTX, did many improvements to Calc’s swarm solver, fixed a Calc table reference issue affecting list validation and made text boundaries hidden for PDFs imported into Draw via PDFium
- Noel Grandin (Collabora) fixed PDF export of PANTONE elements, made style list updating faster and did code cleanups
- Jim Raykowski made hyperlink ordering in Navigator and Navigate By follow the order of document occurrence including hyperlinks in footnotes and endnotes
- Patrick Luby fixed rendering of non-breaking hyphens on macOS
- Aya Jamal worked on OpenType math font support as part of Google Summer of Code
- László Németh implemented support for compound-based “smart” hyphenation for readability
- Ben Urban fixed dynamic arrays for LAMBDA and LET
- Áron Budea (Collabora) made it harder to accidentally select background images in Writer headers, fixed dimensions of rotated drawing objects in XLSX files, fixed a theme issue in notes when exporting to PPTX, implemented DOCX support for webSettings and did code cleanups
- Hossein Nourikhah (TDF) fixed incomplete info in tooltips when using HELP_DEBUG=1
- Jean-Pierre Ledure worked on the ScriptForge library
- Samuel Mehrbrodt (Collabora) fixed exporting totals row to XLSX, improved PDF export of link annotations, made Calc honour the diacritic-insensitive search option, fixed missing internal links to captions in exported PDFs, made header text in DOCX files wrap around floating objects, fixed charts with unreachable external references losing their data upon saving, made text wrapping interoperable with MS Word and implemented DOCX export support for drop caps
- Laurent Balland added some template names into translation and added a button to list Calc sheets
- Michael Meeks (Collabora) improved compilation times
- Bogdan Buzea (TDF) added an automated test and improved documentation for extra dictionaries
- Devansh Varshney polished histogram chart support
- Dennis Francis (Collabora) fixed a DOCX export issue with bullets and added a correlation circle chart type
- Aleksi Kallio improved the layout of the Text Flow tab in the Table Properties dialog
- Đoàn Trần Công Danh fixed a headless build issue
- OSSII developers made it possible to add extra columns when converting text into a table in Writer
- Stephan Bergmann (Collabora) adapted the code to compiler changes
- Jason Whitmore added several automated tests for charts
- Vissarion Fisikopoulos (TDF) fixed filtering issues in Base
- Arnaud Versini did code cleanups
- Méven Car (Collabora) fixed a list validation issue in Calc
- Jan Dittrich reduced icon use in menus by only limiting it to the most important items
- Gülşah Köse (Collabora) fixed a table alignment issue in DOCX import and made math formulas retain their font size across DOCX import and export
- Bayram Çiçek (Collabora) fixed a Calc printing issue with changed orientation and made math formulas retain their colours when exporting to DOCX
- Zesen Liu fixed an issue affecting the AT-SPI accessibility tool
- Christopher Ross made the Qt UI work with unrecognised platforms
- Jaume Pujantell (Collabora) fixed loading of bitmap backgrounds in Impress master slides and fixed DOCX table style issues with contextual spacing
- Matthieu Vallet (Quatrecenttrois) fixed a style inheritance issue
- Thorsten Behrens (Collabora) fixed a build issue
- Attila Szűcs (Collabora) fixed exporting the default hatch pattern to PPTX
- Sergey Anisimov (ALT Linux) fixed Impress comment issues affecting most UIs
Kudos to Ilmari Lauhakangas for helping to elaborate this list.
Reported Bugs
443 bugs, 86 of which are enhancements, have been reported by 274 people.
- Eyal Rozenberg ( 37 )
- Ismail ( 33 )
- questions2000 ( 11 )
- Heiko Tietze ( 11 )
- Dmytro Kulyk ( 9 )
- nobu ( 8 )
- jan d ( 7 )
- David Lynch ( 5 )
- Justin L ( 5 )
- Jürgen Kirsten ( 5 )
Triaged Bugs
476 bugs have been triaged by 62 people.
- BogdanB ( 133 )
- Heiko Tietze ( 64 )
- Buovjaga ( 43 )
- m_a_riosv ( 39 )
- raal ( 20 )
- Roman Kuznetsov ( 16 )
- Julien Nabet ( 13 )
- V Stuart Foote ( 13 )
- Michael Weghorn ( 12 )
- Dieter ( 11 )
Resolution of resolved bugs

Check the following sections for more information about bugs resolved as FIXED, WORKSFORME and DUPLICATE.
Fixed Bugs
158 bugs have been fixed by 27 people.
- Andreas Heinisch ( 24 )
- Justin Luth ( 13 )
- Julien Nabet ( 12 )
- Michael Weghorn ( 7 )
- Mike Kaganski ( 5 )
- Neil Roberts ( 4 )
- Heiko Tietze ( 4 )
- Vissarion Fisikopoulos ( 3 )
- Olivier Hallot ( 3 )
List of critical bugs fixed
- tdf#173384 FILESAVE MSO formats: MS Office complains about corrupt after LO round-trips a file ( Thanks to Justin Luth )
List of high severity bugs fixed
- tdf#154463 AutoCorrect (multiple characters => 1 character) in Text Form Field crashes Writer ( Thanks to Andreas Heinisch )
- tdf#171670 Crash when using a COLORxx named number format ( Thanks to Julien Nabet )
- tdf#173273 Crash in: SalInstanceTreeView::get_children_on_demand(weld::TreeIter const &) ( Thanks to Michael Weghorn )
- tdf#173608 EDITING REGRESSION: Relative sheet reference handled as absolute reference when copying sheet since 26.8.0 ( Thanks to Tomaž Vajngerl )
List of crashes fixed
- tdf#154463 AutoCorrect (multiple characters => 1 character) in Text Form Field crashes Writer ( Thanks to Andreas Heinisch )
- tdf#171670 Crash when using a COLORxx named number format ( Thanks to Julien Nabet )
- tdf#173243 Crash when creating pivot with 2 data fields ( Thanks to Michael Weghorn )
- tdf#173265 Crash on inline renaming index in Navigator ( Thanks to Jim Raykowski )
- tdf#173273 Crash in: SalInstanceTreeView::get_children_on_demand(weld::TreeIter const &) ( Thanks to Michael Weghorn )
- tdf#173370 EDITING: Crash when pasting into the Notes as plain-text ( Thanks to Andreas Heinisch )
- tdf#173585 findAll() with SearchAttributes crashes Writer ( Thanks to Neil Roberts )
List of performance issues fixed
- tdf#104892 Adding a bunch of very small images (jpg/png) will cause a high CPU load ( Thanks to Andreas Heinisch )
- tdf#133808 Moving a sheet with a chart based on a datarange to a different tab position takes 30 seconds until moved ( Thanks to Andreas Heinisch )
- tdf#146507 Delay/lag with context menu (right click) if “font size” present ( Thanks to Andreas Heinisch )
- tdf#168193 Significant delay in autofilter lock ( Thanks to Andreas Heinisch )
List of old bugs ( more than 4 years old ) fixed
- tdf#104892 Adding a bunch of very small images (jpg/png) will cause a high CPU load ( Thanks to Andreas Heinisch )
- tdf#108243 semicolon separated fonts substitution not working (bug in Linux FontConfig integration code) ( Thanks to Julien Nabet )
- tdf#113601 Starting soffice –invisible is not entirely invisible on macOS ( Thanks to Dan Williams )
- tdf#116148 FILESAVE PPTX hatching in chart becomes a solid bar ( Thanks to Attila Szűcs )
- tdf#122473 FILEOPEN XLSX, Pivot table’s labels lose their orientation in LO ( Thanks to Andreas Heinisch )
- tdf#122945 VIEWING: Tab colors of protected worksheets not shown in Excel 2007 spreadsheet ( Thanks to Andreas Heinisch )
- tdf#133808 Moving a sheet with a chart based on a datarange to a different tab position takes 30 seconds until moved ( Thanks to Andreas Heinisch )
- tdf#135449 Export into HTML and bullets incorrect (“
- tdf#138347 Link to call Basic script with vnd.sun.star.script: not working in Writer. Same thing working in Calc (also with HYPERLINK()). ( Thanks to Andreas Heinisch )
- tdf#146404 Number Format Code: Not all color codes are saved ( Thanks to Julien Nabet )
- tdf#146507 Delay/lag with context menu (right click) if “font size” present ( Thanks to Andreas Heinisch )
- tdf#148660 Closing autofilter with Esc after specific steps displays grey area ( Thanks to Andreas Heinisch )
- tdf#43003 Calc EDITING: Cells, containing call to Macro Function as Array doesn’t update, even if press F9 ( Thanks to Andreas Heinisch )
- tdf#43959 Horizontal ruler moves into wrong direction and out of screen when changing zoom level ( Thanks to Andreas Heinisch )
- tdf#61134 Font substitute name should appear in the font name combobox and in its tooltip ( Thanks to Heiko Tietze )
- tdf#79738 FILEOPEN: DOC – Number lines in footer not compatible with MSO ( Thanks to Justin Luth )
- tdf#82008 Impossible to drop a standard filter criterion without also dropping following ones in the list ( Thanks to Andreas Heinisch )
- tdf#84426 UI: Disappearing gray square behind tab stop alignment symbol ( Thanks to Andreas Heinisch )
- tdf#86206 Exporting a SolidWorks DXF to SVG breaks dashed lines ( Thanks to Andreas Heinisch )
- tdf#97354 formula is hidden when conditional format dialogue box is opened ( Thanks to Andreas Heinisch )
” missing) ( Thanks to Andreas Heinisch )
WORKSFORME bugs
48 bugs have been retested by 24 people.
- BogdanB ( 17 )
- Buovjaga ( 7 )
- Dieter ( 3 )
- Justin L ( 3 )
- Heiko Tietze ( 2 )
- ady ( 2 )
- Andreas Heinisch ( 1 )
- Sciuriware ( 1 )
- Andreas ( 1 )
- Andrew Richardson ( 1 )
DUPLICATED bugs
99 bugs have been duplicated by 29 people.
- Heiko Tietze ( 12 )
- Justin L ( 12 )
- BogdanB ( 12 )
- m_a_riosv ( 12 )
- Buovjaga ( 7 )
- ady ( 6 )
- V Stuart Foote ( 5 )
- Julien Nabet ( 3 )
- Neil Roberts ( 3 )
- Roman Kuznetsov ( 3 )
Verified bug fixes
36 bugs have been verified by 11 people.
- BogdanB ( 24 )
- Buovjaga ( 3 )
- Johannes ( 1 )
- raal ( 1 )
- Patrick (volunteer) ( 1 )
- superflydry ( 1 )
- Michael Weghorn ( 1 )
- Gerald Pfeifer ( 1 )
- Robert Großkopf ( 1 )
- Julien Nabet ( 1 )
Categorized Bugs
513 bugs have been categorized with a metabug by 24 people.
- BogdanB ( 285 )
- Eyal Rozenberg ( 72 )
- Heiko Tietze ( 51 )
- Roman Kuznetsov ( 35 )
- Dieter ( 12 )
- Olivier Hallot ( 9 )
- Buovjaga ( 8 )
- Justin L ( 7 )
- Michael Weghorn ( 5 )
- V Stuart Foote ( 5 )
Regression Bugs
46 bugs have been set as regressions by 14 people.
- BogdanB ( 13 )
- raal ( 7 )
- nobu ( 5 )
- ady ( 4 )
- Eyal Rozenberg ( 3 )
- Buovjaga ( 2 )
- Justin L ( 2 )
- Xisco Faulí ( 2 )
- m_a_riosv ( 2 )
- V Stuart Foote ( 2 )
Bisected Bugs
39 bugs have been bisected by 9 people.
- BogdanB ( 17 )
- raal ( 8 )
- Heiko Scheidt ( 3 )
- Buovjaga ( 3 )
- Justin L ( 3 )
- zcrhonek ( 2 )
- Stefan_Lange_KA@T-Online.de ( 1 )
- Xisco Faulí ( 1 )
- Neil Roberts ( 1 )
Evolution of Unconfirmed Bugs
Check the current list of unconfirmed bugs here

Evolution of Open Regressions
Check the current list of open regressions here

Evolution of Open bibisectRequests
Check the current list of open bibisectrequests here

Evolution of Highest Priority Bugs
Check the current list of highest priority bugs here

Evolution of High Priority Bugs
Check the current list of high priority bugs here

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