Apple has released iOS 13.1.3 and iPadOS 13.1.3. According to Apple’s release notes iOS 13.1.3:
Addresses an issue that could prevent a device from ringing or vibrating for an incoming call;
-
Fixes an issue that may prevent opening a meeting invite in Mail;
-
Resolves an issue where data in the Health app may not display correctly after daylight savings time adjusts;
-
Fixes an issue where Voice Memos recordings may not download after restoring from iCloud Backup;
-
Addresses an issue where apps might fail to download when restoring from iCloud Backup;
-
Fixes an issue that can prevent an Apple Watch from pairing successfully;
-
Resolves an issue where notifications may not be received on an Apple Watch;
-
Fixes an issue where Bluetooth may disconnect on certain vehicles;
-
Improves connection reliability of Bluetooth hearing aids and headsets;
-
Addresses launch performance for apps that use Game Center.

According to Apple’s released notes, iPadOS:
-
Fixes an issue that may prevent opening a meeting invite in Mail;
-
Fixes an issue where Voice Memos recordings may not download after restoring from iCloud Backup;
-
Addresses an issue where apps might fail to download when restoring from iCloud Backup;
-
Improves connection reliability of Bluetooth hearing aids and headsets ;
-
Addresses launch performance for apps that use Game Center.

Both updates can be downloaded by going to the Settings app, then General, then Software Update.