Description: When trying to open module of library containing dialogs, Basic-IDE crashes. Steps to Reproduce: 1. Open StartCenter. 2. Open Basic-IDE. 3. Click "Application Macros & Dialogs / Access2Base / _License" Actual Results: 4. Crash. Expected Results: 4. You can view Basic macros. Reproducible: Always User Profile Reset: No Additional Info: Currently only confirmed to work with "Linux-kf5". Could not verify compatibility with "Windows 11" and "Linux-gtk3". Reproducible [2026-02-18] Version: 26.8.0.0.alpha0+ (X86_64) Build ID: 55507043004d55816cdc238733a9f5c7a2240f2d CPU threads: 2; OS: Linux 6.12; UI render: default; VCL: kf5 (cairo+xcb) Locale: ja-JP (ja_JP.UTF-8); UI: en-US Calc: threaded --- Not reproducible Version: 25.2.7.2 (X86_64) / LibreOffice Community Build ID: 5cbfd1ab6520636bb5f7b99185aa69bd7456825d CPU threads: 2; OS: Linux 6.17; UI render: default; VCL: kf5 (cairo+xcb) Locale: ja-JP (ja_JP.UTF-8); UI: ja-JP Calc: threaded Not reproducible Version: 26.2.0.3 (X86_64) Build ID: afbbd0df0edb6d40b450b0337ac646b0913a760c CPU threads: 2; OS: Linux 6.17; UI render: default; VCL: kf5 (cairo+xcb) Locale: ja-JP (ja_JP.UTF-8); UI: ja-JP Calc: threaded Not reproducible [2026-01-28] Version: 26.8.0.0.alpha0+ (X86_64) Build ID: 5a5af7828cbad8607fbb29e26b5131fd852d9384 CPU threads: 2; OS: Linux 6.17; UI render: default; VCL: kf5 (cairo+xcb) Locale: ja-JP (ja_JP.UTF-8); UI: ja-JP Calc: threaded
I can't reproduce it in Version: 26.8.0.0.alpha0+ (X86_64) Build ID: b4f8a7da851147740a00c6ebd789b097c739a64e CPU threads: 8; OS: Linux 6.1; UI render: default; VCL: gtk3 Locale: es-ES (es_ES.UTF-8); UI: en-US Calc: threaded
no reproducible with GEN either... KF5 only issue
Can't reproduce on Debian testing. Could you please attach a backtrace (see https://wiki.documentfoundation.org/QA/BugReport/Debug_Information#GNU/Linux:_How_to_get_a_backtrace )? What Linux distro (and version) are you using? And does it also happen with a fresh profile? Version: 26.8.0.0.alpha0+ (X86_64) Build ID: 8dd7dede5a54e36edb26c28391a1bd6f8265179f CPU threads: 32; OS: Linux 6.18; UI render: default; VCL: kf5 (cairo+wayland) Locale: en-US (en_GB.UTF-8); UI: en-US Calc: threaded Version: 26.8.0.0.alpha0+ (X86_64) Build ID: 8dd7dede5a54e36edb26c28391a1bd6f8265179f CPU threads: 32; OS: Linux 6.18; UI render: default; VCL: kf5 (cairo+xcb) Locale: en-US (en_GB.UTF-8); UI: en-US Calc: threaded
3. Double-Click "Application Macros & Dialogs / Access2Base / _License"
This seems to have begun at the below commit in bibisect repository/OS linux-64-26.8$. Adding Cc: to Michael Weghorn ; Could you possibly take a look at this one? Thanks 55541bc170c596fcf6a9b4ef114ca03fcd5e1b0b is the first bad commit commit 55541bc170c596fcf6a9b4ef114ca03fcd5e1b0b Author: Jenkins Build User <tdf@maggie.tdf> Date: Wed Feb 4 00:10:00 2026 +0100 source 013304cdcfd96a0bcd7ebee3c478324e7d6a561c 198607: tdf#130857 qt weld: Add initial support for interim builder | https://gerrit.libreoffice.org/c/core/+/198607
(In reply to Michael Weghorn from comment #3) > What Linux distro (and version) are you using? And does it also happen with > a fresh profile? > Ubuntu 22.04.5. It happens with fresh profile too.
(In reply to raal from comment #5) > This seems to have begun at the below commit in bibisect repository/OS > linux-64-26.8$. > Adding Cc: to Michael Weghorn ; Could you possibly take a look at this one? > Thanks > 55541bc170c596fcf6a9b4ef114ca03fcd5e1b0b is the first bad commit > commit 55541bc170c596fcf6a9b4ef114ca03fcd5e1b0b > Author: Jenkins Build User <tdf@maggie.tdf> > Date: Wed Feb 4 00:10:00 2026 +0100 > > source 013304cdcfd96a0bcd7ebee3c478324e7d6a561c > > 198607: tdf#130857 qt weld: Add initial support for interim builder | > https://gerrit.libreoffice.org/c/core/+/198607 Thanks for the bibisect. I couldn't reproduce earlier because I have environment variable SAL_VCL_QT_USE_WELDED_WIDGETS=1 set in my environment to enable the WIP use of native Qt widgets, but can reproduce when unsetting this. Pending fix: https://gerrit.libreoffice.org/c/core/+/201281
Michael Weghorn committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/commit/cc7f0b7c8f3a810686c5407f326a7f1d6660ad23 tdf#170866 qt: Extract new QtInstance::isQtWeldingEnabled It will be available in 26.8.0. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.
Michael Weghorn committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/commit/144e9b4cfcf82abae70d1072620d4d06bd41ffc5 tdf#170866 qt: Don't use interim Qt builder unless enabled It will be available in 26.8.0. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.