I’m gonna try to update from the upstream google code, this isn’t a matter of just having random rust devs help. It looks like this is in might need help from google employees soon. Hope not but we’ll see.

GitHub

Fix deadlock on activity onDestroy by sagebind · Pull Request #94 · rust-mobile/android-activity

Fix a deadlock that occurs when an activity is destroyed without process termination, such as when an activity is destroyed and recreated due to a ...