SGTM. The WIP doesn't even work due to https://developer.mozilla.org/en-US/docs/Web/API/Document/onfullscreenerror and unless there's existing Window managers that still allow this behavior I have no idea how to even investigate.
Bug 465880 Comment 8 Edit History
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SGTM. The POC doesn't even work due to https://developer.mozilla.org/en-US/docs/Web/API/Document/onfullscreenerror and unless there's existing Window managers that still allow this behavior I have no idea how to even investigate.