I have a problem with jolla-clock only, and I was able to start it from terminal. Still does not work from application grid 
In journal I found an entry which probably shows the rootcause:
[sailjail] ERROR: No section for /usr/bin/jolla-clock in /usr/share/applications/jolla-clock.desktop
then few lines later:
Activated service 'com.jolla.clock' failed: Process com.jolla.clock exited with status 2
and the next line:
Process com.jolla.clock exited with status 2
Meaning that some configuraion has not been made during installation because of external changes in desktop file (dynclock).
Unfortunately update code does not start again for reinstallation of package.
Anybody: could you please show the content of updated /usr/share/applications/jolla-clock.desktop file?
And information for Jolla: please update upgrade guide to remove dyncal and dynclock packages.