I just tested my 2017 R-Pod door latch and discovered the prank lock-in problem is a real issue on my trailer. With the bar closed I was unable to open my door from the inside. It was a 5-minute job with a Dremel tool grinder wheel to fix it. You could also use a hand file since the parts are just plastic.
Just trim down the bottom corner of the upper and lower bar mounts so the bar rises up easier to unlock when you pull it open. It's pretty obvious what needs to be done when you look at it closely. I only needed to trim down the corners about 1/16" to make it work right so opening the trailer door easily pushes the bar open.
I suspect that this may not be an issue with all R-Pods, since it depends on how each individual bar mount was trimmed at the factory. R-Pod quality control is only a little better than most RV's, not by any means perfect - so, test yours.
News about how to do pranks spreads quickly among teen-agers on social media, so it's worth checking before you get pranked and locked inside.
(If anyone at the R-Pod factory is reading this, lock-in could be a major safety issue so I recommend you put it on your quality control checklist.)
Hope this is helpful. Let me know if you need any more info.
Tom