Hi folks, I’m very happy to let you know that a notarized, universal binary of 98.0 is running just fine in ‘native’ mode on Tahoe 26.4.1. The same app, launched via Rosetta 2, also appears to be completely stable. Just a lot slower to load 
Many thanks to @corticalcode for patiently creating and testing the Intel builds that are supporting these proof-of-concept tests.
I’m using this thread to document progress until it’s in a fit state to release 