Apple released a 13.6.1 update for iOS and iPadOS on Wednesday, issuing bug fixes for storage and displays.
iOS 13.6.1 Update
The update can be installed from Settings > General > Software Update. It included fixes for three major bugs that affect some users. Official release notes:
- Addresses an issue where unneeded system data files might not be automatically deleted when available storage is low
- Fixes a thermal management issue that caused some displays to exhibit a green tint
- Fixes an issue where Exposure Notifications could be disabled for some users