There is a regression with the latest ief_popup stable release 2.1.1 where the toolbar z-index gets unset.
Commit de3e029e introduces a regression by unsetting the z-index again.
Active
2.1
Code
Issue #3416548 by alemadlei, chrisck: Regression with toolbar z-index
Committed. Thank you @alemadlei.
Automatically closed - issue fixed for 2 weeks with no activity.