Would it help inventory space at all if it was text based like GC Quartermaster?

[Elamys]

Another thing that could be done would be to allow HQ and NQ to stack together. The fact that every item often take two slots is significant.

I don't know that allowing HQ and NQ to stack together would be possible but they do need to look into the function and purpose of HQ items, particularly materials. Right now HQ materials become massively devalued for crafting once you reach a certain number of stats. There are maybe only 10 materials in the game that I feel I NEED HQ versions of to craft with. HQs of anything else are useless, so much so that they become a hindrance when I'm mass gathering and keep getting HQs - I have to stop and lower quality, because it's just wasted bag space otherwise.