Does the AppleTV 4K BBC iPlayer app support UHD yet? The BBC doesn’t seem to prioritise it. The iPlayer seems to play 720p for the most part; perplexed as to w

Does the AppleTV 4K BBC iPlayer app support UHD yet? The BBC doesn’t seem to prioritise it. The iPlayer seems to play 720p for the most part; perplexed as to why it’s not 1080p, an easy win.