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app icon options?

  • 1 reply
  • 2 have this problem
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  • Last reply by user700204

user700204
user700204
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In Thunderbird (60.6.1) on my Mac (10.11), the dock icon for TB expands to include the choice "App Icon Options...". I select that, and nothing happens. What is it? Where did it come from? What is it supposed to do? It doesn't appear for any other apps in my dock. Is it associated with some TB extension or plug-in?

In Thunderbird (60.6.1) on my Mac (10.11), the dock icon for TB expands to include the choice "App Icon Options...". I select that, and nothing happens. What is it? Where did it come from? What is it supposed to do? It doesn't appear for any other apps in my dock. Is it associated with some TB extension or plug-in?
Attached screenshots

Modified by user700204

All Replies (1)

user700204
user700204 Question owner
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C'mon, folks. The Thunderbird Forum doesn't know the answer to this?