Found this timeline:
https://www.europarl.europa.eu/thinktank/en/document/EPRS_ATA(2022)739226
So sometime during 2024 it will be in effect (applicable since may 2023, but after that 6 month for companies to make a case weather or not they are gatekeepers, 2 month for the eu to answer and tell the companies the verdict if they are a gatekeeper or not, and after that 6 month for the gatekeepers to comply, so if the companies strech the process out it will be here in juli 2024)