is there an update on this issue? More people seem to be having the same issues with the most recent unleashed version. 

Running all r750s. Right now I rolled back to 200.18.7.101.244 since that has given me no problems. 2.4GHZ and 5GHZ network on same wifi network. AM: Open, EM: WPA2

I have the exact same issue. Running all r750s. Both times I upgraded I instantly had wifi problems, especially on my IPhone. Rolling back to previous version immediately fixed all the issues. 

I have tried updating to 200.19 twice in the last month. Both times, I have had constant wifi problems on my IPhone. Rolling back immediately everything went back to working with no issues. I am running all r750s. Exact same issue has you, think its ...