https://wccftech.com/apple-releases-ios-13-5-5-and-macos-10-15-6-beta-to-developers/ > Continuing with its whirlwind releases of operating system updates today, Apple has released new beta versions for iOS 13.5.5 and macOS 10.15.6 to developers, with under-the-hood bug fixes and improvements. > Apple has not shared any release notes for these updates, apart from the usual 'bug fixes and improvements' line. However, for seemingly minor updates, the developer beta updates require a full download of multiple gigabytes.