Ubuntu
thunderbird package

  1. Bug #1458593
  2. Comment #2

Comment 2 for bug 1458593

Revision history for this message
monochromec (monochromec) wrote :

Should have checked the Mozilla bug tacker first :-).

This bug seems to be a known issue: https://bugzilla.mozilla.org/show_bug.cgi?id=733039.

After cleaning up the cache as suggested in the thread as a workaround, performance is back to normal.