For issues you find with the Switch and Console releases, please follow this link and give as much detail as possible. This is the speediest way to get info to Pipeworks and get a hotfix in the works.
1.4 will bring many changes to the PC version. We strongly advise making plans to back up your worlds and players prior to updating your game. More details here.
Begin your search for Journey's End information here and here. Please report bugs and issues for Journey's End here.
For issues you find with the Mobile 1.3 update, please follow this link and give as much detail as possible. This is the speediest way to get info to DR Studios to look at your issue. Also, some troubleshooting hints here.
After 13 or so hours spend watching Folger fish and do things with others in a world, it follows that I have not been able to attain sufficient passion for things I aspire to do stemming from a serious oversight: Direct interation.
I could imagine that forgetting a NES equivalent of the Famicom's tape recorder thingy must've guaranteed the loss of something like Taito Grand Prix: Eikou heno License (great stuff, as expected) that could round up the racing things allowing save data.