I use picture-in-picture (PIP) a bunch to watch a video while doing something else on my computer. 🧵Here's a quick comparison between PIP players in Chrome, Firefox, and Safari to air out my gripes:
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It's also missing all the typically player controls like a progress bar, volume, and fast forward/rewind. It also has it's close action placement on the right side which makes sense for Windows, but macOS places close actions on the left.