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.
To be honest, I was expecting Journey's End to be glitchy, with lots of lag and mob glitches. I wasn't just expecting it to not open. The pressure to send it out on a release date is stupid, and I'd rather have a game come later than be literally unopenable.
Change.org is the worst petition platform I have ever been on. It is not 1 click sign it is "Give us money, share us, or sign 10 petitions". It takes 2 minutes to actually sign the damn thing, why on earth is it popular?