(2013-07-23) Bernard Vatant: Schema.org is not only a central tool for semantic markup on the Web, supported by major search engines, it's also a reference general vocabulary for a growing number of other vocabularies.
(2014-07-28) Bernard Vatant: We now provide for this important and evergrowing vocabulary a full history with a diff file between successive versions. This feature is planned to be available for all vocabularies in the next LOV version.
(2014-09-01) Bernard Vatant: Added equivalences with other vocabularies, introduced in v1.6.
(2015-05-19) Bernard Vatant: Since version 2.0 release, schema.org has a documentation page for releases and version history at https://schema.org/docs/releases.html
(2016-08-10) Ghislain Atemezing: Added two versions 3.0 and 3.1. Also the versions can be obtained directly in Github at this link https://github.com/schemaorg/schemaorg/tree/sdo-makemake/data/releases/