Timestamps not rendering consistently in UI (3.0.2)

I’m curious here, can you confirm that you have a single DateTime Item linked to several channels, each with a timestamp profile?
This used to be a recipe for disaster.
https://github.com/openhab/openhab-core/issues/1537#issuecomment-781684457

What pattern metadata does your Item have set?
(Although I suspect this format comes from the binding)