As requested, here are a list of the concerns, but as context, let me explain why I'm so adamant about this: I play this game with controller as my main apparatus because 1) my setup makes it very tedious and often times a little painful to play with keyboard and mouse because of back issues, so leaning back or laying down on my side or stomach has become my preferred way of playing games, and 2) even if I didn't have back issues, I would still play with controller because I find that for me, most 3rd person or isometric games feel better with a wider range of motion that a controller offers, examples include all assassin's creed games and Fortnite (the PvE don't worry lol), games like Don't Starve, and even Conan Exiles tbh, along with Dark Souls and The Surge, and almost all horror games because a controller provides a more cinematic camera experience with way less jarring and snappiness.
Which brings me to the list of things that are quite necessary for a controller scheme in games.
The movement is great already. I know a lot of people were having issues with Trigger drift in the previous thread and were unable to push or swing weapons consistently, but increasing the deadzone for sticks and triggers is a great QOL option that myself and many others were glad to see added.
Inventory systems need to be intuitive and practical. PZ often requires you to loot things as fast as possible because of one reason or another, and in the main and IWBUMS versions of the game, this is already kind of implemented, with X (control scheme for xbox controllers from now to the end of the post) being the quick transfer button. However, many many things in the new controller test build have been goofing with the inventory system. The KB/M inventory system is easy because it was designed like Windows Explorer, and I believe that the same kind of ease of use and practicality can be designed with controllers in mind. This includes:
Assigning one button, and one button only to control the inventory screen. Stas changed it to Y and B to bring up and close the menus, respectively, to make it more intuitive and easy for players to back out of the inventory screen, but all it did was confuse people and make it more difficult to navigate the inventory. Keep Y as the button to open AND close the inventory.
Assign one button as a quick transfer button. This, like I said, already kind of works in the current versions of the game, but it is flawed. X transfers items from a container to your inventory, but it UN-intuitively drops items in your inventory to the ground, making loot much harder to transfer to containers, which brings me to my next point.
When a highlighted item is selected in the inventory, and an item above this item is transferred, because certain items take much longer to transfer than others, what happens is as you're going down the list of items and tediously pressing A over and over to transfer things, by the time you've moved a few items down, the item at the top is done transferring, it exits your inventory into a container, and your WHOLE inventory is shifted upwards, so now you have to press up on the D-pad to select the thing that you previously had selected, then wait for it to transfer before moving on. There are only two remedies to this so far. One is to just start at the top and wait for every single item to transfer before moving on to the next item, or transfer things from the bottom and go up. What needs to happen (and I'll make a video on this and post it here so everyone can see what I'm talking about), is when you transfer an item out of your inventory, the highlight bar that tells you which item you have selected needs to move up with your inventory when your inventory itself moves up. This makes it less annoying to want to organize and move things around because as it stands, it's honestly the worst part of this game with a controller.
RADIAL MENUS ARE YOUR FRIENDS!!! In a post of mine a bit above all this, I posted about a radial menu being removed that had a list of functions to chose from pertaining to your vehicle, this needs to be re-implemented, as almost no one wants to sit and press up and down on their D-pads to do certain actions. Having a radial menu to choose makes it much easier visually and practically, and the radial menus you guys currently have are awesome, and should stay the same. In the future, base controller actions and ease-of-use around this fact.
Along with a few bullets prior, pertaining to the inventory, We need more customizability when it comes to the actions that are present in the game, such as being able to choose which face buttons we want for inventory, menu navigation, etc. This started to get worked on, and I know that some actions have to stay where they are because it's kind of the only way to do them, be there can be much more leeway in terms of customization.
One of the kinda big ones is one I found (others have probably noticed but I haven't seen any posts about it) where the menu that shows the items that you need and/or have when building or repairing things in a context menu like carpentry, doesn't show at all. If I navigate to a door and want to build it and I'm a new player, I'd have to guess what I needed because there's no menu or indication of what I have and what I need. Probably a pretty simple fix, but it is kinda big nonetheless.
Many people have had issues with looting things, or rather, the lack of their ability to do so
Others have claimed that there are issues with split-screen, specifically adding new characters that have to be created, and the character creation menu itself can use a bit more controller friendliness, as some things you still have to use a mouse for, if I'm not mistaken.
Lastly, there were quite a few posts in the previous controller thread where people reported the inability to use, or problems generally with the moving system, be it moving, picking up, disassembling, rotating, etc.. This could be because of a lack of understanding, because I personally haven't had any problems with it and find it quite easy to use, but some posts have pointed to the issues being bugs, but at this point nothing can really confirmed without combing through the previous thread.
That about wraps it up, in a nutshell. Obviously, I don't represent all gamers with controllers, but I'm also not posting this because like the last thread, people see "free PZ code" and put in the minimal effort required to get free stuff, because free code or not, I would've been just as dedicated to helping out. I care about the game and want to see it flourish, and I think these things could help improve the experience that this game offers.