Not much going on at the moment unsurprisingly, officially the game doesn't even exist but that hasn't stopped the "leaks" and rumours.
Existence: TBC
Release date: TBA
System Requirements: TBA
There have been lots of fun rumours about GTA VI. The most credible one imo at the moment is the map location and date set. A couple of years ago, this map was posted on 4chan along with "9teen8t5" (1985). Back then it got dismissed as being nonsense immediately due to the crude drawing, but more recently it does make a lot of sense.
It appears to be Miami based along with what appears to be a Cuba based and Bahamas based islands.
Now, why I think this is the most credible leak of GTA VI, is it was released 2 years ago. Between then and now, Rockstar have released this image on their website which is heavily inspired by the 1980s artwork from Hajime Sorayama.
Around the same time as the map leak, Rockstar released a bunch of vehicles that would fit right in, in 1980s Miami into GTA Online such as the Ubermacht Sentinel Classic (1986 BMW M3), Grotti Cheetah Classic (1984 Ferrari Testarossa), Grotti Tursimo (1987 Ferrari F40), Declasse Tampa (1970 Dodge Dart), Pegassi Torero (1982 Lamborghini Countach) and Ocelot Stromberg (1978 Lotus Esprit). Rockstar have also put out an advert relatively recently looking for bands who play "80s style music".
Onto the Cuba part. Back in March. There were rumours of a game from Rockstar set in central America or one of the islands in the Caribbean sea so far just known internally as "Project Americas" Now it's not confirmed if that's an actual thing Rockstar are doing, but given the map leak from 2 years ago that shows it set in map heavily inspired by Miami with an island quite far south east, it does add up. I do think that island is a condensed Cuba given the location as well as Rockstars love for movies. Maybe it's going to have a Scarface inspired story? It does look like they're including a Bahamas style island as well just east of the main island in the leaked map.
I do think Rockstar are going to officially announce GTA VI sometime Q2/Q3 2021 given this is exactly how it went down with both GTA V and RDR2. The next 12 months is going to be a lot of fun for fans of the GTA franchise.