GTA Online leak hints that new GTA Online update will feature a Casino, the leak is coming from a twitter user that can probably a rumor.
According to a tweeter user who somehow gets access to a leak that hints GTA Online next update will be adding a Casino in the game. The user shared a screenshot of Casino building of GTA Online on Twitter and confirms that this will be definitely coming up in the next update. This can be a rumor also, but if the information is true then in coming future updates GTA Online users will shed some cash on cards.
The tweet does not reveal enough info about the future update, the user, however, got the information from background script that is locked for some specific dates and once it arrives the changes will be applied adding the new add-on in GTA Online.
Rockstar adds regular events and updates for GTA Online allowing player around the world to participate in a new mission and unlock amazing rewards. You can visit the Rockstars Social Club event website to find the latest information on event weeks, contest and giveaways, live streams, etc.