Apple today released OS X Yosemite 10.10.1, the first update to the new operating system since its initial October release. Testing for OS X 10.10.1 began on November 3, with Apple seeding two betas to developers before launching the software publicly.
The new software is available through the Software Update mechanism in the Mac App Store.
The OS X 10.10.1 update is recommended for all Yosemite users. It improves the stability and compatibility of your Mac. This update:

  • Improves Wi-Fi reliability
  • Improves reliability when connecting to a Microsoft Exchange Server
  • Improves reliability sending Mail messages when using certain email service providers
  • Improves reliability when connecting to remote computers using Back to My Mac.

The update should fix several major issues that users have been seeing with OS X Yosemite, including a major Wi-Fi issue that’s caused connection problems for a number of users.

Apple today seeded build 14B23 of OS X 10.10.1 to developers, one week after seeding the first OS X 10.10.1 beta, build 14B17, and nearly a month after first releasing OS X Yosemite to the public.
The new beta is available through the Software Update mechanism in the Mac App Store and through the Mac Dev Center.
While it is unclear what improvements the first update to OS X Yosemite will bring, there are several bugs in the operating system including a major Wi-Fi issue that has caused connection problems for a number of users.
Apple is asking developers to focus on Wi-Fi, Exchange accounts in Mail, and the Notification Center.