New issues have been added to the blog post regarding Build 14926.
PC: "UPDATED: After updating to this build, built-in Windows 10 apps such as Calculator, Alarms & Clock, and Voice Recorder may not work. To get these apps working again, go to the Store and re-download/install them."
Mobile: Two new issues added. Via Brandon LeBlanc on Twitter, a hard reset fixes the issues for most people. He also shared this link: You might want to reconsider installing 14926 on Mobile – UPDATE – ChangeWindows
PC: "UPDATED: After updating to this build, built-in Windows 10 apps such as Calculator, Alarms & Clock, and Voice Recorder may not work. To get these apps working again, go to the Store and re-download/install them."
Mobile: Two new issues added. Via Brandon LeBlanc on Twitter, a hard reset fixes the issues for most people. He also shared this link: You might want to reconsider installing 14926 on Mobile – UPDATE – ChangeWindows