I remember starting in Mathematica11, when calculating the status of the taskbar can indicate the current status
enter image description here
Today I upgraded to Mathematica 12.2, I noticed that the taskbar has only one state during calculation.
Can you reproduce this? I am using windows10 20H2.

  • 1
    $\begingroup$ Yes, I get this too - I upgraded yesterday. $\endgroup$
    – flinty
    Commented Dec 19, 2020 at 17:00

1 Answer 1


It's just no longer the default. You can turn it back on via CurrentValue[$FrontEnd, "EvaluationQueueActions"] = Append[CurrentValue[$FrontEnd, "EvaluationQueueActions"], "Icon"].

  • $\begingroup$ Can you clarify if this is a method that will change it for all sessions, or just the current one? Can this effectively be done via changes to the preferences/options dialog box? $\endgroup$ Commented Dec 20, 2020 at 2:11
  • $\begingroup$ @CATrevillian, it will persist between sessions. It is not present in the Preferences dialog, but you can find it in the Options Inspector. $\endgroup$
    – ihojnicki
    Commented Dec 20, 2020 at 3:01

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