On ATv, has been any recent change at Chromium level?
On HK1 Kiwi worked fine till August 2021, also Chrome doesn't play Video server sites live Gamo, Pow or that kind, but Firefox works.
Already removed/reinstalled Kiwi 94.x but same result "This media can't be played"
Just downgraded to 93.4577.33 and worked.
Restored Data from Titanium and kept working.
I'll check updating to 94 and see whether there's any difference.