The Document Foundation released LibreOffice 26.8.3 on November 12 as the third maintenance update in the 26.8 series. It fixes 45 bugs, mostly crashes in Calc, Writer, Impress and Draw, along with some Microsoft Office compatibility problems and a few desktop integration bugs. It adds no features, and the count holds up: the published changelog has exactly 45 entries, and each one points to a bug report and a named developer.
What the changelog shows
The record behind the announcement is the 26.8.3.1 bug changelog on the TDF download mirrors. It lists 44 entries from the Document Foundation’s Bugzilla and one from Collabora Online’s tracker. The foundation’s announcement gives the total as “about 45,” so the two match. The fix list is tied to the first release candidate, and no second candidate was published, so the 26.8.3.1 build appears to be the one that shipped.
Crashes and hangs
The crash fixes will matter most to the most people. Calc no longer crashes when you rearrange fields in a pivot table (tdf#174093). Writer no longer crashes when you insert a section around an existing nested section (tdf#173902). Impress now copes with plain or unformatted text pasted into presentation notes (tdf#173370, tdf#172565), and Draw and Impress no longer crash when you copy, paste or click comments (tdf#169252). Two hangs are also fixed. One happened when editing the default table style. The other was a Navigator loop, triggered by a grouped shape in a document footer, that kept the CPU busy without letting up. That loop was a regression introduced in 26.8.0, so anyone who upgraded in August has had it for about two and a half months.
Office compatibility
Calc’s TEXTBEFORE and TEXTAFTER functions now behave the way Excel’s versions do (tdf#173876). Neither the announcement nor the changelog says what the difference was. If your spreadsheets go back and forth with Excel and use these functions, read the bug report to see which cases changed before you trust old results either way. Numbered lists in PPTX files that set an explicit starting value now count up correctly instead of repeating one number (tdf#173712). Valid non-Zip64 packages larger than 2 GiB are no longer flagged as corrupt (tdf#174172).
Linux desktop fixes
This is where the announcement and the record differ. The Document Foundation’s 26.8.3 release announcement goes through the macOS fixes in some detail: the system UI font, X.509 signing working again, and Thunderbird attachments. It names no Linux-specific fixes, but the changelog has two. On KDE Plasma, LibreOffice had been ignoring the configured menu bar colour (tdf#172282). With the GTK3 backend, the sidebar would only let you select and edit the paragraph style already in use at the cursor (tdf#172956). Both are fixed. A third change makes icon theme fallback take dark interfaces into account (tdf#173739), and it isn’t limited to one platform.
Compared with 26.8.1 and 26.8.2
The maintenance releases in this series have come out quickly. 26.8.1 shipped on October 2 with about 40 fixes, mostly for OOXML import and CSV encoding. 26.8.2 followed at the end of October with about 35, including fixes for old DOC, PPT and XLS files. By count, 26.8.3 is the largest of the three. It is also the second of the three to fix a pivot table crash. In 26.8.1 the crash came from creating a table with two data fields, and in this release it comes from rearranging fields afterwards. These are separate bugs in the same feature, and that feature changed recently, since 26.8 added calculated fields to pivot tables.
Dates to plan around
LibreOffice 26.2 reaches end of life on November 30, 2026. After that it gets no bug fixes or security updates. The foundation now names 26.8.3 the recommended version for everyone and tells 26.2 users to move before that date. The 26.8 branch is planned to get seven maintenance releases in total and to end on June 13, 2027. The announcement gives no date for 26.8.4. Linux users can install the official DEB or RPM packages now or wait for their distribution’s builds. Some parts of Base and some extensions still need a Java runtime, which you have to install separately, and the steps are the same as before: see how to apt install Java on Ubuntu, JRE and JDK included.
