Autodesk Revit 2015 Update Release 4 Readme

Thank you for downloading Autodesk® Revit® 2015 Update Release 4.

This readme contains the latest information regarding the installation and use of this update. It is strongly recommended that you read this entire document before you apply the update to your licensed copy of Autodesk Revit 2015, either as a standalone product or as part of a product suite, such as Autodesk Building Design Suite 2015 Ultimate or Autodesk Building Design Suite 2015 Premium. After Update Release 4 is applied successfully, the build number specified on the Help > About dialog will be 20140903_1530. For reference, you should save this readme to your hard drive or print a copy.

Issues Resolved by this Update Release

This update release addresses issues reported directly to Autodesk and contains the fixes provided within Autodesk Revit Update Release 1, 2, 3 and Multi-Category Schedules Hotfix for Update Release 3. Consult the enhancements documentation for all areas improved by this update.

In addition, this update release addresses the Heartbleed vulnerability - a security bug in the open-source OpenSSL cryptography library. Heartbleed is registered in the Common Vulnerabilities and Exposures system as CVE-2014-0160. For more information, please visit the CVE dictionary at http://cve.mitre.org

Installed Version required by this Update Release

This update requires either the initial release of Autodesk Revit 2015 (build: 20140223_1515) or Autodesk Revit 2015 Update Release 3 (build: 20140606_1530) . Autodesk Revit 2015 Update Release 3 will need to be applied to any installed Revit 2015 which has either Autodesk Revit 2015 Update Release 1 (build: 20140322_1515) or Autodesk Revit LT 2015 Update Release 2 (build: 20140323_1530) applied.

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