This bug was fixed in the package cinnamon-session - 4.4.1-1ubuntu0.1
--------------- cinnamon-session (4.4.1-1ubuntu0.1) focal; urgency=medium
* Don't let apps that ignore Cinnamon's exit req delay shutdown (LP: #1887312)
-- Joshua Peisach <email address hidden> Wed, 15 Jul 2020 12:12:09 -0400
This bug was fixed in the package cinnamon-session - 4.4.1-1ubuntu0.1
---------------
cinnamon-session (4.4.1-1ubuntu0.1) focal; urgency=medium
* Don't let apps that ignore Cinnamon's exit req delay shutdown (LP: #1887312)
-- Joshua Peisach <email address hidden> Wed, 15 Jul 2020 12:12:09 -0400