Journey's End on PC - Find info here and here. Please report bugs and issues for PC 1.4 and 1.4.1 to Re-Logic here.
Journey's End on Mobile - Find info here. Report bugs for Mobile 1.4 to DR Studios at this link and give as much detail as possible.
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.
Console and Switch - The latest news can be found here. To report a bug, please use this link.

Terraria Community Forums

They look like Hero Factory tho...