It would be interesting to see whether or not these core updates will assist the Page Builders to produce even better results.

Workflow and collaboration is a big step forward. It is a necessity nowadays.

The not so good news are "multilingual is “probably going to be one of the most complex things we bring into core" and the rest regarding multilingual content... With more and more websites showing the need for multilingual content, i can only expect services like WPML to strengthen their position considering that we won't see multilingual focus coming any time soon from WordPress.