The SA feature is interesting ... in lab conditions.
With a bit more context ...
Amazingly enough, the pictures I have seen so far do not show this, and bokeh looks absolutely fine.
Awaiting the full test/review now .
Gear: Canon EOS R with 3 primes and 2 zooms, 4 EF-R adapters, Canon EOS 5 (analog), 9 Canon EF primes, a lone Canon EF zoom, 2 extenders, 2 converters, tubes; Olympus OM-D 1 Mk II & Pen F with 12 primes, 6 zooms, and 3 Metabones EF-MFT adapters ....