Half-Life 3 and Left 4 Dead 3 were both scrapped because Source 2 was unfinished By Brett Makedonski 9 July 2020
Valve: Steam Link game-streaming device, controller, free Source 2, and VR in 2015 By Jed Whitaker 3 March 2015
Valve releases Dota 2 mod tools and possibly Source 2 (or parts of it) By Jordan Devore 7 August 2014