There are still gaps and problems in the OS, as they always are in any operating system. But these updates are ones worth doing.

https://www.appleworld.today/blog/2020/6/1/apple-releases-ios-1351-ipados-1351-watchos-626

See also: https://appleinsider.com/articles/20/05/26/apple-releases-macos-catalina-10155-with-new-battery-health-management-feature

Apple releases iOS 13.5.1, iPadOS 13.5.1, watchOS 6.2.6

June 01, 2020/ Dennis Sellers

Apple has released iOS 13.5.1, iPadOS 13.5.1, and watchOS 6.2.6. 

All three provide, per Apple, important security updates. iOS 13.5.1 and iPadOS 13.5.1 by going to Settings > General > Software Update on your iPhone or iPad.

watchOS 6.2.6 can be downloaded for free through the dedicated ‌‌Apple Watch‌‌ app on the iPhone by going to General > Software Update and following the instructions. To install the update, the ‌‌‌‌Apple Watch‌‌‌‌ needs to have at least 50% battery charge, must be placed on a charger, and in range of the ‌‌‌‌iPhone‌‌‌‌ to which it’s paired.