Agreed. The frequent crashes of mir-kiosk made it a non-starter, even though the ease-of-installation/configuration/use was a huge benefit. Firefox has, so far, proven to be more stable, albeit far more complicated to configure. Recent Ignition versions include updates to Java, and recent Perspective Workstation versions include updates to JxBrowser, of which supports Wayland. When time allows...I intend to dabble...
A bash script to migrate from the above mir-kiosk snap to Firefox snap might r…
Perhaps try the script in this post, we definitely found a couple of issues with the initial method later on in the topic and tried other methods with success.