It is such a tragedy that ember did not gain more traction. It's incredibly elegant, powerful and ergonomic. Once you got into the groove, writing ember code was so intuitive.
So many frameworks have borrowed from Ember more than Ember itself becoming mainstream I'd like to see the idiomatic approach become widespread whatever the idiom
It's no tragedy Ember is a niche product and the community is unique and hasn't gone the way of angular or react with all the false corporate stereotypes
Outside of the solid technical foundation and pedigree, the organization of how Ember is managed is one of its best aspects. There is no single massive company that may decide to drive development in a major breaking way.
Ember has always focused on ensuring upgrades are fairly easy to do, and has only gotten better over time.
It's the golden standard for how ambitious web apps should be structured built tested and and deployed nothing comes close once you've experienced ember you can't possibly equate to the industry status quo