We still use Ember and fastboot on a few applications but it's being replaced for the user side of bustle. I believe we did it because we were able to get faste

We still use Ember and fastboot on a few applications but it's being replaced for the user side of bustle. I believe we did it because we were able to get faster and smaller server side renders and a smaller js payload. I spend more on the infrastructure side so I can't speak to the exact reasonings.