LexEVS 6.4.1.2 was released in November, 2016.
Full details are available on the LexEVS 6.4.1.2 page.
LexEVS 6.4.1.12 features include:
LexEVS 6.4.1.2 provides a fix for a hashCode method in CodingSchemeReference that can fail when an instance is added to HashSet.
Also included in this package: