Thatās discussed before. People with Reaper of Souls expansion pack and Necromancer DLC have 14 character slots, special edition players have 17 character slots or so. Separating personal stash space and general stash space solves nothing.
First, allowed 13 stash tab space can not be allocated to 14 character slots equally without each tab getting smaller. If you want to keep one as general and other as personal, that creates more problem than it solves. Simply player supposed to get more stash tab just by creating new characters instead of attending Season Journey. This kind of trivializes everything.
This personalized stash idea perhaps solves the issue about stash synchronization limits on multiplayer (52 all at once maximum between 4 players on PC seem to be the limit, higher for consoles).
However, the burden it might create will only be known by server experts and maintenance staff. Smaller personal stash, with each character getting multiple tabs just a call for server memory increase. Each item in Diablo 3 takes a very large amount of data to describe; allowing players to deposit more items would increase the overall burden to servers again.
Secondly, separating stash each to characters personally only make you shift between them more often just to find an item by creating a new session. Each new session opened in rapid succession also increase server burden because server has to push a randomized seed to generate dungeons, decide bounties and so on each time you enter a game. Making stash space smaller simply forces playersā hand to do so.
Keeping some of the stash out of the game, by character select screen can be a thing where you export and import items from as a secondary storage. But they havenāt obliged yet; most likely out of fear for glitches stemming from a new user interface, just like Auction House shut down with still exploits rampant.
This idea went nowhere in the past and it will go nowhere now. The data of 65 million unique nephalem doesnāt fit in a magical Kanaiās Cube, itās stored in data centers that cost Blizzard millions of dollars in a year to maintain. Before one of you blurt something about some of those Nephalem being console players and having more stash tabs, please by all means play console version then. Servers are handled by different companies at the end of the day and games at each platform coded differently at core.
Solution? Just smelt the trash instead of keeping sub-900, sub-600 main stat items in your non-Season stash just because theyāre ancient. Most of the updated legendaries donāt apply changes retro-actively, so you better get rid of them first. Player has to have some control, responsibilities, filtering and thought process on the game. Whatās interesting about it otherwise? There are people out there doing just fine with 10-13 stash tabs and still playing multiple characters and different classes. Not all of them follow guides to do that, but I heard it helps.
Perhaps later down the road developers figure something out later or their facilities get better for resources they can dump on this decade old title. Until then just relax and play the game. Blizzard has hundreds of industry veterans and if there was a solution to this issue on a practical level, theyād apply it already without your input, directives or opinion.