When exiting full screen [1] on Step 9 (as of date when this bug was filed), the full screen API calls into the Screen Orientation Spec run the "fully unlock the screen orientation steps" of |doc|. However, WebKit doesn't currently reject the document's [[orientationPendingPromise]]. [1]https://fullscreen.spec.whatwg.org/#exit-fullscreen [2]https://w3c.github.io/screen-orientation/#dfn-fully-unlock-the-screen-orientation-steps
<rdar://problem/110153261>
Pull request: https://github.com/WebKit/WebKit/pull/14617