1. I do not know how much it is a complex idea, but it would not be bad if in the place where the text appears, there would be a text or icon of just picked up item and its quantity. 
2. Recent update with armor is great. But I would like it was not just an extension of the health indicator, and it, for example, blocked 75% of  damage or any other amount of it. (upd. Saw that the developer already mentioned this idea).
3. In  enemies drop of can't specify weapons and (I may be mistaken) armor. I would like to be able to customize the drop of these items as well as the rest. 

Bugs or limitations that I did not know about (v1.10.4): 
1. You can not set more than one identical trigger on the map? For example, I have trigger 1 for saving. And when I place them more than 1, then none of them works or only the one that is lower and to the right on the map. 
2. Collision model of block responsible for invisible walls is larger than standard block, I believe.

Thanks for the ideas and feedback, I'll keep it in mind for future updates!

I'll look into that bug you're having with the triggers. If you're able to share a small demo project that has this problem, it will make it easier for me to find a fix.
Invisible walls have the same collision size as normal walls, try placing both next to eachother and compare the two.