Q&A: "Create New Clip" menu item is not shown in Animation View

Unity Animation View will not show "Create New Clip" menu item if your current selected clip is READ-ONLY;

So, the easiest solutions:
(1) Select a modifiable clip in Animation view;
(2) If you don't have any modifiable clip, clear the list of clips
(3) Just create a new clip in your project and assign it to the Animation or Animator;

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