Have you tried Atomoxetine? I’m not diagnosed with autism (but ADHD), but I score a little bit too high on all the autism tests I took (and after watching a few videos of AuDHDers, it just makes sense).

For me stimulants are a slippery slope, I can be in a constant hyperfocus without being distracted by stuff (which can be super great when programming), but I forget e.g. eating (certainly way more than with Atomoxetine), my emotions are dampened, more hypersensitive to sounds I don’t like, I’m less social, more autistic I’d say (also maybe because ADHD and autism kinda work against each other AFAIK).

Atomoxetine is quite different for me, way better for executive functioning (less so for focus unfortunately), and (social) anxiety is definitely better (good explanation from the ADHD scientist: https://www.youtube.com/watch?v=LnS0PfNyj4U). I’m now varying stimulants depending on what I’m doing on the day (e.g. more if I almost only want to program that day, and if I have much social contact, I’m ditching it).