Halo Wars 2 Title Updates
From Halopedia, the Halo wiki
Throughout its lifespan, Halo Wars 2 had many Title Updates and other patches. Given how many there are, this page only lists the patches and their general features; full patch notes are listed on each Season's page for brevity. For a full list of Halo Wars 2 official patch notes on Halo Waypoint, see the designated forum thread here.
The below table lists each patch by content type (IE bugfixes, server-side, balance etc) and date. You can click on the arrows at the top of each column to sort it - for a more comprehensive list, see the sections further down the page. For full patch notes on each update, click the link in the left-most column to be taken directly to the relevant section.