Hi  JShroyer-Uni , We are also facing the same issue of "This build is invalid" message on App Store connect during processing state. The only way to get to TestFlight is to disable bitcode. Did you find solution for it? Also can you let us know which third party SDK you were facing with issue with and got it resolved it might help us too. When we connected Apple, we received following email "App Store Connect does not allow uploading an updated version of an app when the update runs on fewer devices than the version of the app currently in the App Store. This is by design because an update to an app must work for every customer who has already purchased the app. Additional information regarding this issue can be found in Technical Q&A article QA1623. Explore developer resources to get answers to frequently asked questions, watch video tutorials, stay up to date with the latest news, and more." Thank you,