>>4302854Z-mount is most potentially adaptable, e-mount probably has most adapters on the market though.
For smaller lenses, you can get autofocusing M to Z adapter, and then whatever mount to M, and gain autofocus. TTArtisan 6-bit M adapter gives you eye green box confirmation. Zf gives you subject detection for MF.
Picrel is an example of midfield and corners of same lens on M10 vs stock a7 series. Mostly applicable to wider angle RF lenses, Z series fairs quite a bit better.