Rumors: CS:GO will be released on Source 2 within a couple of months
The upcoming release of Counter-Strike: Global Offensive on Source 2 engine became known at once from multiple sources. It is expected that the new engine version will be released in the next two months.
The first to know about it was insider Tyler McWicker, who is also the author of the popular YouTube channel Valve Network News. He is studying the findings of dataminers in Valve games and shares the results with the audience.
The information was confirmed by Nors3, who was the first to tell about the appearance of the "Forbidden Zone" mode in CS:GO. According to him, the leaks about Source 2 are from reliable sources, which are trustworthy, but still remain a rumor.
About Source 2 being released in CSGO in 2 months: it seems trustworthy because I heard from reliable sources BUT with Valve you can never be 100% confident with unofficial dates. Better multiply it by two.— Nors3 (@Nors3) March 23, 2020
Anyway I'm not sure about it yet, have to check personally and ask more.
The CS:GO release took place on August 21, 2012. The current version of the game is made on the first Source engine, while Dota 2, Half-Life: Alyx and other Valve games use more modern Source 2.
The first rumors about CS:GO transition to the new engine appeared back in 2017, and a month ago the information about possible support of virtual reality was highlighted.