Its happening.

CS 2 Tick Rates

With Counter-Strike 2 tick rates dont matter anymore.

Valve went beyond those and implemented sub-tick updates.

The oldest maps have been rebuilt from the ground up in Source 2 in an overhaul effort.

According to the limited testF.A.Q.

Initially, the Counter-Strike 2 Limited Test will offer Deathmatch and Unranked Competitive matchmaking on Dust2.

Future limited test releases will offer other game modes, maps, and features, according to Valve.

According to Valve, all of the details will come in just a few months!