The game was playing just fine from Dec 29th 2023 when i started until yesterday. It started acting up yesterday and has only gotten worse today.
I get major lag that drops my game to single digit fps
I am rubber banding a lot
Loading times are 10x longer
9/10 When i go fast travel i get the disconnected screen and then the game breaks
I’ve updated my drivers, turned off crossplay, and for sure know its not my internet as nothing else has issues.
Hard network reset. Reinstall client. No other device has issues. I feel swindled.
Typically disconnections when fast traveling, long load times, and even rubberbanding is due to the game being installed to a mechanical hard drive (HDD). Basically Diablo IV loads a lot of information from the drive, especially when loading into a new area. If the game client can’t load it fast enough, a disconnection occurs. The minimum requirements are a solid state drive (SSD) so if the game is on a HDD or external drive, try moving it to an internal SSD to see if that helps.
For reference, the minimum requirements are here.
false i uesd a Mechanical drive and don’t have these issues but then it spins at 10k RPM and has a 1GB chase 
… so it depends on setup of the HDD… but i seen SSD fail with load time slower then HDD due to being more then 60% full.
Regardless, in MOST cases, an SSD is going to be flat out faster than a HDD…
Even a SATA based SSD can out perform most HDDs. 10K RPM single drive won’t keep up with a good quality SATA SSD even.
Now, you setup a controller based 6+ drive array in a stripe format, that might push some performance to rival a SATA SSD but no one is going to run that in 99.999% percent of gaming builds.
Then you go NVME and the game changes even more. NVME drives flat out smoke HDDs in speed. Period.
Typical HDDs have at best 150ish MB at peaks, and can drop to sub 100MB sustained.
SATA SSDs can be anywhere between 200MB up to 600MB Burst, and around half that sustained, but a lot of this depends on the brand/drive quality/condition.
NVMEs can be anywhere between 1000MB and 7500MB for 4 lane units, and now over 15000MB for 5 lane drives… With their sustained speeds also being ridiculously high.
Now, you take that and then RAID stripe those… Then it gets stupid fast.
The game suffers from issues when transitioning between areas. And this is magnified a LOT by system performance. So, if you have a slow drive, a slow system, or any bottleneck in the system path to get game files from storage to memory to GPU, you are going to get these delays, that WILL lead to having problems, including disconnection, as the game doesn’t have enough timeout to allow for those delays.
Bottom line, have a fairly modern system that is performing well, and keep it tuned up. If you are running a bunch of background apps, using cheap hardware, or using incorrect settings, old drivers, etc, you are going to have issues.
Game on.
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