Apple has publicly stated that Rosetta will be removed in macOS 28, so there’s at least a year and eight months.
Apple has learnt that they need to warn users of forthcoming changes in advance, and point the finger at developers, to avoid being blamed for ‘suddenly breaking things without warning’.
It’s another team at Steinberg who look after all these utilities. They do know that it needs to be done, of course. (I, for one, have flagged it.)
(Looks like I’ll need to get working on my font manager app to replace FontExplorerX…!)