If League of Legends and Valorant players have the right hardware and elect to opt into "pre-boot security mechanisms and Windows' own native protection features," then, starting today, they can switch the Vanguard anti-cheat software from always-on to one that's "on demand.
Source: [The Verge](https://www.theverge.com/games/956137/riot-games-vanguard-pre-check-anti-cheat-on-demand-valorant)