See https://phabricator.wikimedia.org/T334759#8794589
Watch WWDC video linked in comment above. Audit and fix our usage of UIApplication beginBackgroundTask calls. Audit and improve our memory usage. Reference any MetricKit logs sent back to us from 7.2.2 (2145) that could indicate reasons for background crashing.
Background task fix estimated time: 2 days
Memory usage audit/improvements: 2 weeks
QA
Please regression test app launch and backgrounding. Fix is in TestFlight 7.2.2.