will engine upgrade be part of update five for ea yes, engine upgrade won't come to ea until update five comes to ea so they will come at the same time engine upgrade is like kind of the appetizer for update 5 if you will, for experimental people but those two will come at the same time we didn't have enough time to like move over like put engine upgrade on the experimental branch test it work on that fix the issues and then move it over to ea like it's a huge process and then start working on update firefox method like we're going to do it in one one sweep instead