@jack It's kind of always been the case since the first iPad Pro but it's just become embarrassing with the latest update.
The hardware is so powerful and the software is so so iPhone focused and detached from the needs of productivity and creativity in general (esp. writing) that it's almost ludicrous.
It's priced as a laptop. As powerful as a laptop. With a better screen than most laptops. But it can only to a tiny fraction of the normal laptop tasks due to arbitrary limitations in iOS: