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.
I was hoping someone in your office could help me with a quick bit of info:
I'm building a basic arena world for the celestial event (cultist, pillars & moon lord), and I was hoping you could tell me where, on a SMALL console world, where (in metres east/west) the pillars will spawn (there are no solid blocks or walls getting in the way).