Both new pieces of software are minor updates, with no major new additions for the end users, but aimed to fix behind-the-scenes issues, squash bugs, and improve the overall performance.
It’s worth noting that the final release for macOS 10.12.5 does include a fix for USB headphones, as well as allowing for media-free installation of Microsoft’s Windows 10 Creators Update through Boot Camp. Here’s the full change log:
“The macOS Sierra 10.12.5 update improves the security, stability and compatibility of your Mac, and is recommended for all users.
This update:
Fixes an issue where audio may stutter when played through USB headphones
Enhances compatibility of the Mac App Store with future software updates
Adds support for media-free installation of Windows 10 Creator Update using Boot Campâ€
There have been no major changes or features spotted in tvOS 10.2.1 or watchOS 3.2.2 either. However, Apple says that macOS Sierra 10.12.5 fixes an audio issue with USB headphones, enhances Mac App Store compatibility, and adds support for media-free installation of Windows 10 Creators Update using Boot Camp.