I'm in Paris for the CSS Working Group meeting this week. Before I headed out here I spent some time putting together a list of CSS Grid interoperability issues. The good news is there aren't vast numbers of these that people are running into regularly. Hopefully those we do find, can get a fix quickly.
After Paris I have a few weeks at home before the next conference season begins. It all starts with An Event Apart Chicago. An Event Apart are very kindly sponsoring many CSS Layout News Editions this year - check out the bottom of this email for a discount on ticket price.