I am on 7.17 and trust me is it no better than previous version. My PC which connected to LAN is even slower than my tab and laptop which connecting via wifi. I have experienced slowness in web browsing and streaming on my PC and not my laptop.
My house mate who connecting through LAN also face the same slowness issue but not with his laptop.

Dear Shuyina, is 7.17 some sort of beta version? Do you have recommended FW version to overcome the slowness issue? Thank you very much.