(iOS) Runtime warnings

Any of these warnings is worthy of a look. Some may not be specific to iOS.
If you select one for action, make an issue or PR, then mark it here.

- [ ] 2021-02-14 11:31:41.444773-0800 America Scores Attendance[7200:2668900] You've implemented -[ application:performFetchWithCompletionHandler:], but you still need to add "fetch" to the list of your supported UIBackgroundModes in your Info.plist.
- [ ] 2021-02-14 11:31:41.444851-0800 America Scores Attendance[7200:2668900] You've implemented -[ application:didReceiveRemoteNotification:fetchCompletionHandler:], but you still need to add "remote-notification" to the list of your supported UIBackgroundModes in your Info.plist.
- [ ] 2021-02-14 11:31:41.616675-0800 America Scores Attendance[7200:2669180] EXUpdates: Could not emit error event. Did you set the bridge property on the controller singleton?
- [ ] 2021-02-14 11:37:48.313400-0800 America Scores Attendance[7200:2668900] Can't find keyplane that supports type 8 for keyboard iPhone-PortraitChoco-DecimalPad; using 25930_PortraitChoco_iPhone-Simple-Pad_Default
- [ ] 2021-02-14 11:39:20.922471-0800 America Scores Attendance[7200:2668900] [native] Native TextInput(142936) is 4 events ahead of JS - try to make your JS faster.
- [ ] 2021-02-14 12:28:32.716373-0800 America Scores Attendance[7247:2685455] [native] (ADVICE) View #7395 of type RCTView has a shadow set but cannot calculate shadow efficiently. Consider setting a background color to fix this, or apply the shadow to a more specific component.