They clearly did a bunch of optimizations, because working on my Xcode projects (and even basic every day use tbh) in 18.x was fine, on 27.x it’s mostly fine,

They clearly did a bunch of optimizations, because working on my Xcode projects (and even basic every day use tbh) in 18.x was fine, on 27.x it’s mostly fine, but on 26.x it was a slog fest.