Below are the current known issues with Forza Horizon 3 that were posted on the Motorsport support forums.
General Issues
- Xbox Live Silver account players are unable to access Social & Rivals tabs.
- In multiplayer players may see players jump under poor network conditions.
- Some performance stalls when free-roaming.
- Certain eligible players have still not received their Warthog code
PC Specific Issues
- Microphones sometimes aren’t being detected for ANNA on PC
- Can’t start a convoy on wheel unless you create a custom wheel profile.
- Moving the mouse during races on PC causes the game to swap briefly to mouse control.
- Logitech G27 not recognised on PC.
- Thrustmaster TX Leather Edition not recognised in UI, can’t save settings (PC).
- Support for all Thrustmaster TX variants to be added on PC.
- Accelerator/Decelerator deadzones don’t work on PC.
- Improved Advanced Controller Options for Wheels coming to PC in our next update.
- Unable to rewind when returning to Solo from co-op and online free-roam.
- Club member status doesn’t update unless you reboot.
- Visual vehicle upgrades occasionally don’t apply without a reboot.
- Racing line can disappear when saving settings on PC.
- Visible pop-in of objects when switching to/from cockpit camera for the first time on AMD cards.
- FPS can fluctuate when running unlocked on PC.
- Players may see the “Failed to open a connection. Check if your network allows IPSEC connections, and try again.” error. This issue can happen after suspending or when trying to quickly reconnect to a server previously connected to.
- If seeing QoS failures, verify port 3075 unblocked for UDP traffic in their router firewall.
- PC players must have the Windows firewall enabled in order to play online.
- Logitech G29 PlayStation wheel UI button prompts are incorrect.
- Logitech MOMO can’t access events without using a keyboard.
- Controller hot-swapping will come in a future update, which will improve the experience on Wheel since you will be able to swap to the pad for photo mode etc.
