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We should include these fixes to improve the shell behavior under heavy background IO load:

  shell/app-system: Monitor for icon theme changes
  shell-global: Make saving of persistent state
  global: force fsync() to worker thread when saving state
  environment: reduce calls to g_time_zone_new_local()
  app-cache: add ShellAppCache for GAppInfo caching

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 (Moderate: GNOME security, bug fix, and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2020:4451