The Sierra application and database servers will be updated to Sierra 1.1.2 Wednesday, October 16th. There is no downtime required for this update. However, a restart will be required after the install in order to download new SDA (Sierra Desktop Application) software..
This update resolves several reported known issues and introduces some new functionality including an optional compact browse and OCLC Control Number Expansion.
For more details, click on the Release 1.1.2 link on the Sierra SharePoint.