I've been chipping away at my #Infocom #zmachine interpreter for the past 12 months, trying to squeeze more performance out of it. I did make it smaller and mostly faster until one game turned out slower, so I kept it on the backburner until I found a way to fix the worst case. Next trick was rewriting the dictionary search much harder to thoroughly test) and finally correcting a long standing cosmetic bug (see before and after images). Update release for #Vezza and #M4ZVM will be early 2025.