https://fedoraproject.org/wiki/QA:Testcase_Anaconda_save_traceback_to_bugzilla#How_to_test_on_Anaconda_WebUI says:
Wait, until Anaconda WebUI is fully started, set a language and click Continue. Press F12 to open development tools of the browser window.
Unfortunately this doesn't work on KDE (tested on F43 KDE Live RC 1.4). We need to figure out a way to make anaconda crash on KDE (possibly talk to the anaconda team about it).
Metadata Update from @kparal: - Custom field story_points adjusted to 5
It should work on Workstation at least. On KDE webui is no longer run in Firefox but in a kinda custom web view thing called slitherer. We probably need help from @ngompa because he wrote it.
You're right, it still works on GNOME. I updated the description, just KDE is affected.
Metadata Update from @psklenar: - Issue assigned to psklenar
taking the ticket and checking today’s situation
AFter the discussion with anaconda team - I filed a bug against slitherer (Qt Web Engine for installer in KDE):
slitherer
bug 2431541
This issue has been migrated to Fedora Forge: https://forge.fedoraproject.org/quality/tickets/issues/834
Please continue any further discussion there.