macOS Sierra 10.12.3 brings several new enhancements such as:
- Improves automatic graphics switching on MacBook Pro (15-inch, October 2016)
- Resolves graphics issues while encoding Adobe Premiere Pro projects on MacBook Pro with Touch Bar (13- and 15-inch, October 2016)
- Fixes an issue that prevented the searching of scanned PDF documents in Preview
- Resolves a compatibility issue with PDF documents that are exported with encryption enabled
- Fixes an issue that prevented some third-party applications from correctly importing images from digital cameras
- Enterprise content - Resolves an issue were network or cached user accounts (such as Active Directory accounts) using the maxFailedLoginAttempts password policy were becoming disabled