Bug 452619

Summary: kmail opens URL into a different browser than the one configured as default
Product: [Applications] kmail2 Reporter: mateMat <mathieu>
Component: UIAssignee: kdepim bugs <pim-bugs-null>
Status: REPORTED ---    
Severity: minor    
Priority: NOR    
Version First Reported In: 5.18.90   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description mateMat 2022-04-14 17:40:53 UTC 
SUMMARY
***
Kmail does not open URL links into the newly installed browser, despite having configured the Default Application to the new browser.
***

STEPS TO REPRODUCE
1. Use a working system,
2. Install a new browser, like Brave or LibreWolf
3. Modify the default browser in System Settings accordingly
4. Restart kmail or reboot the computer
5. Open an URL link from within an email using kmail

OBSERVED RESULT
The originally configured browser opens the link.

EXPECTED RESULT
The newly configured browser opens the link.

SOFTWARE/OS VERSIONS
Operating System: Kubuntu 21.10
KDE Plasma Version: 5.22.5
KDE Frameworks Version: 5.86.0
Qt Version: 5.15.2
Kernel Version: 5.13.0-39-generic (64-bit)
Graphics Platform: X11

ADDITIONAL INFORMATION
Tried also by modifying ~.kde/share/config/kdeglobals
With an addition in
[General]
BrowserApplication=/usr/share/librewolf/librewolf %u
or
BrowserApplication=librewolf
As advised elsewhere.
Comment 1 mateMat 2022-04-14 17:42:54 UTC 
I must mention that Kmail version is the following:
KMail 5.18.1 (21.08.1)
And on Kubuntu, it seems to be heavily modified/plugin.
Comment 2 mateMat 2022-04-14 17:43:57 UTC 
The trick mentioned at the end (kdeglobal) is available here:
https://lists.fedoraproject.org/archives/list/kde@lists.fedoraproject.org/thread/2IL6PGQW2TUPM47U3HWFLTWSTICIPCOU/