I'm not the only one who think Safari is a joke compared to the competition. While IE6 was much much worse than what Safari is today, I feel like history is repeating itself again. And ES6 support is irrelevant when the main goal is to make sure websites renders and behave correctly, which is more painful for Safari than the other browsers.
- Apple didn't attend EdgeConf 2015
- https://webkit.org/blog/ was not updated often enough
- Safari 9 had a seriously buggy IndexedDB (fixed in Safari 10)