What’s New > Windchill > 12.0.0.0 > Deployment and Configuration > Support Changes: Platform Support
  
Support Changes: Platform Support
Product: Windchill
Release: 12.0.0.0
Summary
To take advantage of new features and capabilities introduced with each new platform release, and to remain current with platforms that are no longer supported by their own vendors, PTC routinely updates its list of supported platforms.
Additional Details
For this release, the following changes have been made to platform support:
Support for Java 11
Windows Server 2012R2 is no longer supported for Windchill servers.
RHEL 6 is no longer supported for Windchill servers.
For more information on the most current server platform support, see the Windchill 12.0.0.0 Software Matrices on PTC.com.