Driver version: 18.104.22.168 and 22.214.171.124 in both.
Have verified on Intel Wireless Event Viewer followings:
No beacon mismatch or sync issue log came which is seen generally whenever there is reconnection due to it.
No change in parameter of probe message sent from laptop while reconnecting.
Let me know if you need any specific Details on it.
I am not sure what are different kind of environment that is relevant in this issue, pls provide option so that i can choose.
We have recently come up with driver version (18.40.0) for this adapter which contains a lot of fixes. Please try it out and let us now if it worked for you. For your convenience, here is the link to it: Drivers & Software - Please make sure to download it according to your OS version and architecture 32 or 64 bit.
As for the environment, what we meant by this was if you are using this in a domestic or corporate environment.