LexEVS 6.1 was released on May 6, 2014.

Full details are available on the LexEVS 6.1 page.

LexEVS 6.1 features include:

• New REST interface compliant with the OMG Common Terminology Service - Release 2 (CTS2) 1.0 specification .
  
  • Quick start guide to using the new CTS2 API, with sample code.
  • REST support for bulk download of terminology data.
  • New terminology loaders supporting  OWL2, native MedDRA, HL7 MIF, and resolved value set data.
  • Optimized “Contains” search, as seen in the 2.3 and 2.4 NCI Term Browser.
  • Value set performance improved.
  • Backwards compatibility with LexEVS 6.0.
  • Note on 6.0 Grid Services: These are not supported in 6.1, and are planned for retirement by October 2014.

• The Release Notes give more information on fixes, enhancements, and known issues.

 LexEVS 5.1 is being retired. All users should migrate to LexEVS 6.