not sure if its because of the latest firmware, but im now at a hardlimit again on my memory and i didnt add any more drivers or anything and now i cant add any devices either. I experienced an issue with my sinope zigbee plug and couldnt get it to reconnect, so i removed it and tried adding it and was unsuccessful, so i decided to hard reboot my hub and now i cant add any devices at all because it says im at a hard limit. 
we really need a newer hub. the v3 is so dated and low spec. I’ve invested so much time and money on smartthings, i was planning on a washer dryer aswell but i dont see any motivation from samsung to release a new hub anytime soon.
ps…
I dumped my hub logs aswell. just incase.
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Hi, @Jason_Silva
Can you open support access to your account, please?
- Confirm the email account registered in the forum is the same one you use for SmartThings. If not, please share it with me over DM
- Enable support access to your account:
- Go to the SmartThings Web (my.smartthings.com)
- Log in to your Samsung Account
- Select Menu (⋮) and choose Settings
- Toggle on Account Data Access
- Select the time period and confirm - In this step, please select “Until turned off”, once the team finishes, we’ll let you know so you can disable it again.
Hi, @Jason_Silva.
The engineering team took a look and as a result of some changes around driver improvements the memory being used by driver on your hub slightly increased and since you were already close to the limit before, it pushed you over. Our team is working on further improvements that should reduce memory used in upcoming updates (the next major release should have some of these). In case you still see thisin the next release, please let us know.
For now, the suggestion would be to check if you can reduce the number of drivers, for example, don’t use separate drivers if two devices can be controlled by the same one.