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 1.4 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.
You know, I haven't told you this, but now I found the time. You are one of my most sincerest favorite developers. I wish I made it clear in my mind, forgotetting all the hard work you put out for the recent updates and all (if I do acknowledge, I barely do so those times). I apologize for those mistakes.
Terraria wouldn't be the same without you, rest assured. Have a nice day.