Web performance in the real world: how to make fast websites

Have you ever experienced a web page that doesn't run as quickly as you'd like? The web moves at lightning speed, and so do we. In this session, you'll get a behind the scenes view of how the browser works, and what we've done to make it faster and more efficient than ever in EdgeHTML 16.
this is on the actual build, or with the new release/update October 17'th ?
Some of these improvements were in Edge 15, the Creator's Update from early 2017. Most are coming in Edge 16, the Fall Creator's Update, in late 2017.
...somewhere back a few IE generations (11±) the Find-on-page crashed—like being filtered through the unrendered source and worse, filtered through the dynamic-html parse tree (it couldn't Find across a fork or unrendered break; Also could no longer Find long text)...
Frankly, I'd wanted fancier Find, like, Find-first-then-second-thereafter-and-repeat...