Bug 2483236 - QtWebView browser applications (like slitherer) cannot properly open native HTML dropdowns
Summary: QtWebView browser applications (like slitherer) cannot properly open native H...
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: qt6-qtwebengine
Version: rawhide
Hardware: x86_64
OS: Linux
unspecified
urgent
Target Milestone: ---
Assignee: Jan Grulich
QA Contact:
URL: https://kojipkgs.fedoraproject.org//p...
Whiteboard: https://discussion.fedoraproject.org/...
Depends On:
Blocks: BetaBlocker, F45BetaBlocker
TreeView+ depends on / blocked
 
Reported: 2026-05-29 12:32 UTC by Neal Gompa
Modified: 2026-06-03 11:16 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Type: ---
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
QT Jira QTBUG-147154 0 None None None 2026-06-03 11:16:04 UTC
Red Hat Bugzilla 2404424 0 unspecified CLOSED QtWebView browser applications (like slitherer) cannot properly draw drop-downs for forms on Wayland 2026-05-29 13:01:34 UTC

Description Neal Gompa 2026-05-29 12:32:01 UTC
Since the rebase to Qt 6.11, it appears that accessing native HTML dropdown menus (dropdown comboboxes) can cause the application to crash. 

This has significant negative effects, particularly if someone wants to use custom storage partitioning through Cockpit during installation.

Reproducible: Always

Steps to Reproduce:
1. Install slitherer
2. Launch slitherer as such: slitherer --windowed "https://www.patternfly.org/components/forms/form-select"
3. Open dropdown menus to attempt to select something
Actual Results:
Browser window crashes

Expected Results:
Drop down opens and selection is possible

Comment 1 Kamil Páral 2026-05-29 12:39:47 UTC
As a consequence, Anaconda crashes in Cockpit storage editor in F44 and Rawhide under all environments except Workstation (where it uses Firefox, not slitherer). See bug 2404424#c24 .

Reproducer:
Run Anaconda on KDE/XFCE/etc Live, go to Storage Editor, pick a partition, click Format. In the dialog, use any drop-down (e.g. Type), and start opening it and selecting values repeatedly. After a couple of tries, Anaconda crashes.

Workaround:
Before running anaconda, edit /etc/anaconda/profile.d/fedora.conf and change `webui_web_engine = slitherer` to `webui_web_engine = firefox`. Run `liveinst` to start anaconda.

Comment 2 Neal Gompa 2026-05-29 12:46:14 UTC
So in the latest Rawhide environment I've got, it doesn't crash, but the drop-down flickers and doesn't persist, so I can't select anything.

Comment 3 Kamil Páral 2026-05-29 13:00:13 UTC
A common issue: https://discussion.fedoraproject.org/t/common-issue/192590

Comment 4 Kamil Páral 2026-05-29 13:01:34 UTC
Proposing as F45 beta blocker:
https://fedoraproject.org/wiki/Fedora_45_Beta_Release_Criteria#Custom_partitioning

(Note that similar bug 2404424 was accepted as a blocker previously).

Comment 5 Neal Gompa 2026-05-30 05:06:36 UTC
I've submitted an upstream bug to Qt: https://qt-project.atlassian.net/browse/QTBUG-147154

Comment 6 Adam Williamson 2026-06-03 00:30:25 UTC
Note we'd like to add an openQA test to prevent future bugs like this, but we kinda can't until this is fixed, as we need the full process to *work* in order to verify the test. https://forge.fedoraproject.org/quality/os-autoinst-distri-fedora/issues/561#issuecomment-794938


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