Three versions
VRML 1.0 Initial specification, developed 1994-95.
VRML 2.0 August 4, 1996 working draft by the VRML community. This was an unofficial draft. This draft was presented to the ISO committee as a Committee Draft (CD) and used to gain approval to move to the next phase, a DIS.
VRML 97 December, 1997, ISO/IEC 14772-1:1997. This is the approved international standard hereafter called VRML 97.