Just when you thought the days of September were going to run out for the next FAQ update, GW has just released it. Some big changes are now official with some other big beta test rules now available to test. It looks like the first turn of gameplay they are attempting to reduce first round "I win" rolls. (we have all been there, when the most important roll of the game is who goes first). Also reserves has some changes....
FAQ's and Errata: https://www.warhammer-community.com/faqs/
Kill Team: https://whc-cdn.games-workshop.com/wp-content/uploads/2018/09/kill_team_errata_en-1.pdf
via the Warhammer Community