If you're looking for the latest and greatest, check out rtl88x2BU_WiFi_linux_v5.2.4.4_26334.20180126_COEX20171012-5044.
Updated driver for rtl88x2bu wifi adaptors based on RTL88x2BU_WiFi_linux_v5.2.4.1_22719_COEX20170518-4444.20170613.
Build confirmed on kernels up to 4.16.0.
See http://www.wolfteck.com/2018/02/22/wsky_1200mbps_wireless_usb_wifi_adapter/ for all the hows and whys around the updates.
I found the original source for this driver on Dropbox linked by the seller on an Amazon listing. Don't you love how reputable these driver bundles are? Nothing say "no one tampered with this after it left the OEM" like downloading from Dropbox / Baidu / etc.