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So, I immediately jumped onto DDG after I read this comment. There are lots of resources online describing the process but none of them answered the key question in my mind:
How does the Update Manager function with two desktops? Do you have to switch back to Cinnamon whenever you need to update or can you do the updates with Discovery?
(Of course, I am assuming your base was Cinnamon Edition and that you decided not to delete the Cinnamon desktop after installing Plasma. I also assume that you used the default version from the repository.)
Have you tried a point release upgrade (i.e., 22.2 to 22.3) yet? Does that have to be done using Update Manager in Cinnamon?
How stable do you find it? Kubuntu was constantly black-screening on the next reboot after every setting change, including an app install or uninstall.
Thanks.
P.S. -- I might try it in a VM first before trying it for real. Don't get me wrong, I am happy with XFCE for my gaming laptop but on my daily driver laptop, I think I might prefer Plasma to Cinnamon as my desktop.
Last edited by Caldathras on 17 Feb 2026 at 8:31 pm UTC
For stability, I had no problem whatsoever, I wanted an Ubuntu base plasma desktop experience, KDE neon had some pb immediately after installation, so i tried a fresh mint install with the KDE ppa and never had any issues with it.
I just hope that the upgrade to mint 23 will be hassle free.
Last edited by on_en_a_gros on 18 Feb 2026 at 1:23 pm UTC
Thank you. That's good to know.
So, you didn't install the default version of Plasma from the repository? What PPA did you use?
Based on my very recent experience of moving from Mint 21 to 22, if you used a PPA to get Plasma, the most likely thing will be that the upgrade tool will rollback your installation to the 24.04 repository version then upgrade it to the 26.04 repository version. You will need to update the PPA connection to 26.04 before installing whatever's on offer there. I had to do that with both the Graphics Driver PPA and the TLP PPA.
If you didn't use a PPA, it should be smooth sailing. Although, the upgrade tool did remove items it considered non-standard. I had to reinstall VLC Media Player and my newer-than-the-repository version of Lutris, for example. On my daily driver, the update from 22.1 to 22.2 uninstalled Synaptic Package Manager and TLP. So, it's hard to say how it might treat Plasma.
My bad, I genuinely thought that the KDE-full was added by a ppa, but it was indeed available in the app center.
Seems quite stable. Fascinating how a lot of the tools defaulted to Mint's Cinnamon versions. For example, Dolphin is installed but the file manager defaults to Nemo. I'll have explore it some more and test the upgrade to version 22.3.
It's been so long that I think I've gotten used to the Cinnamon UI. Plasma's UI seems somewhat foreign now. I had to switch the UI to dark mode because light mode seemed to bright.
This is the guide I used to walk me through the installation process:
https://linuxcapable.com/how-to-install-kde-plasma-on-linux-mint/