[k__]

Yes, I had the same feeling.

While the Ember devs talked about stuff like Fastboot and Glimmer, while other frameworks just had all this out of the box.

Their whole approach seems to be rather concept heavy and back in the days (2014/2015) the docs where horribly outdated and you had to check stackoverflow for basic things.

I had to use Ember 2 years on a project and found it clunky, but okay. I switched to React 2 years ago. And after I met a few hardcore Ember devs from back in the days, who said they switched to Angular2 or React I think this was the right decision. It's nice that the existing projects get so good support, but I wouldn't recommend anyone to start something new with Ember :\