Bug 169625 - Export as PDF Button Crashes LO with GTK4 VCL
Summary: Export as PDF Button Crashes LO with GTK4 VCL
Status: NEW
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Printing and PDF export (show other bugs)
Version:
(earliest affected)
25.8.3.2 release
Hardware: x86-64 (AMD64) Linux (All)
: medium critical
Assignee: Not Assigned
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: Gtk4
  Show dependency tree / graph
 
Reported: 2025-11-23 03:48 UTC by rushing27alien
Modified: 2025-12-09 17:58 UTC (History)
2 users (show)

See Also:
Crash report or crash signature:

Attachments
Video Evidence (5.78 MB, video/mp4)
2025-11-23 03:49 UTC, rushing27alien 		Details
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description rushing27alien 2025-11-23 03:48:34 UTC 
Description:
Hello, I'd like to report on an issue with LibreOffice's (LO) GTK4 VCL plugin. Currently when using the GTK4 VCL plugin, the File → Export as PDF button crashes the LibreOffice program.

Steps to Reproduce:
1. Install/Build LibreOffice with GTK4 VCL support
2. Start LibreOffice and enable GTK4 VCL with the env `SAL_USE_VCLPLUGIN=GTK4`
3. File → Export as PDF

Actual Results:
LibreOffice crashes

Expected Results:
For PDF export dialog to open


Reproducible: Always


User Profile Reset: No

Additional Info:
Version: 25.8.3.2 (X86_64) / LibreOffice Community
Build ID: 8ca8d55c161d602844f5428fa4b58097424e324e
CPU threads: 16; OS: Linux 6.17; UI render: default; VCL: gtk4
Locale: id-ID (id_ID.UTF-8); UI: id-ID
Flatpak
Calc: CL threaded
Comment 1 rushing27alien 2025-11-23 03:49:44 UTC 
Created attachment 204220 [details]
Video Evidence
Comment 2 Buovjaga 2025-12-09 08:33:18 UTC 
The GTK4 UI is not production-ready at the moment.

With the crash, I see this:
(soffice:14083): Gtk-CRITICAL **: 10:30:45.805: gtk_editable_set_text: assertion 'GTK_IS_EDITABLE (editable)' failed

Version: 26.8.0.0.alpha0+ (X86_64) / LibreOffice Community
Build ID: a76f0371596f0037444c40fe3dcad5b4fef18c24
CPU threads: 4; OS: Linux 6.17; UI render: default; VCL: gtk4
Locale: fi-FI (fi_FI.UTF-8); UI: en-US
Calc: threaded