The 3.8.1 patch, previewed earlier, is going live right now. Improvements to Blighted maps, both in rewards and in performance, should be coming along with it. You can check out the full patch notes for 3.8.1 here!
In this patch are fixes for many Blight bosses, as well as for the all-to-common “Exception Present” bug, and much more. Towers are also being rebalanced somewhat, so keep an eye out for updates to our Blight league guide!