How much added slowness do you think Unicode is responsible for? Because as much of a complex nightmarish standard as it is[0], there are plenty of applications

How much added slowness do you think Unicode is responsible for? Because as much of a complex nightmarish standard as it is[0], there are plenty of applications that are fast that handle it just fine as far as I can tell. They're built with native widgets and written in (probably) C. [0] plenty of slow as fuck modern software doesn't handle it even close to 'flawlessly'