The free Series 9 update is scheduled to launch in just a few days, on Tuesday, June 21st, and it will include quite a few additions. PC players are finally getting Temporal Antialiasing (TAA) support, something that fans have been requesting for a long time since the engine only supported the outdated Multi-Sample Antialiasing (MSAA) technique. Graphics elements such as tree foliage will especially benefit from TAA and there is also a sharpness control slider so that players can fine-tune its final appearance.
The Series 9 update also introduces the ability to play Forza Horizon 5 Stories cooperatively with up to six players in total. Ahead of the Hot Wheels expansion, the developers are also adding a bunch of themed cars for players to unlock in Forza Horizon 5. Players who complete a Horizon Story in co-op will find that mission is already marked as completed once they unlock it in their playthrough.