Adam Saxton shows you all about the new deployment pipelines in Power BI. (Note: Premium only.)
Dan Szepesi at Blue Granite has some basic steps you should go through when you want to improve the performance of your model.
1. Turn auto date table
2. Remove unnecessary columns
3. Star schema
Marco Russo and Alberto Ferrari have some really interesting ideas about how to upgrade the DAX language to make it simpler for novice DAX writers just starting out.
If you ever wanted to learn about DAX Studio or how to optimize your DAX model, check out this four-part series by http://PowerBI.tips with Darren Gosbell and Marco Russo.
Paul Turley used a Power BI A4 (embedded, purchased through Azure, billed by the hour) to work with the new XMLA Read/Write endpoint. I can't wait to play around with it!