It's a delight to use, if a little esoteric at first. After the experiment phase, the software ecosystem comes up fairly limited. But I recommend visiting.

Here are some more impressions: https://kconner.com/2025/03/09/haiku-os-study-path.html

I was trying to set up an install for my HS age some to learn programming this summer with minimal distractions. I was surprised to see IntelliJ runs and they’ve integrated GNU core utils. A hello world program ran fine.

Lack of applications is my main problem

On M1 on specific? or on any platform in general?