Project Panel greyed out Bug
In Premiere Pro 12.1.1, when there's no Project Panel currently opened, the Project panel can't be open again using Reveal in Project of clips or Reveal Sequence in Project or even shortcuts, the Windows -> Project is then greyed out.
Only when reopening the project again and use the Windows -> Project again, the Project Panel can be opened.
Also the Reveal Clips in Project and Reveal Sequence in Projects doesn't work unless the Project Panel is opening that exact bin of the item, or the Project Panel is displaying List View and at the same time is opening the root level.
Please fix this. Thank you.

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Nate Williams commented
I'm having the exact same set of issues. Project panel cannot be opened, is grayed out. And revealing clips in project doesn't work.