As we reported earlier, this patch adds a free toolset to Grand Theft Auto Online that allows players to build their own drag strips, killing fields and myriad other combinations of vehicles and explosives. Deathmatch, Team Deathmatch, Race, Rally Race and the weaponized GTA Race game types are available for players to modify. Developer Rockstar has included a tutorial that should load automatically the first time you attempt to build something within the toolset, and it "highly recommends" that players sit through the whole thing. From there however, you're free to build to your heart's content.
Alongside the new toolset, today's free update also includes a "a host of new fixes and updates for Grand Theft Auto 5's Story Mode and GTA Online," including higher cash payouts in missions with increased difficulty, and an option to lock deathmatch games to specific weaponry.