Let's rebase libical from 1.x to 3.x version, together with desktop packages. That would also include a compatibility package.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.