It was an internal meeting of the the International Esports Federation (IESF) where a vote was taken. There is no official confirmation or statement about it. But the Russian Esports Federation (RESF) has claimed in a statement approval has been granted for players to compete at IESF's competitions under their own flag.

Here is an article about it: https://esportsinsider.com/2023/08/iesf-votes-to-lift-restrictions-on-russian-players-russian-esports-federation

The statement claims 32 delegates voted in favour of Russia’s re-admittance, while 13 voted against and 25 abstained. Russia’s statement additionally claimed that a separate proposal put forward by Ukraine’s esports federation to suspend Russia’s esports federation from IESF entirely was rejected.