Youtube ads are likewise no longer skipped.
Twitch for me knocks me back to the main page and logs me out as soon as I log in. I can also not watch any streams that are not on the main page as they knock me back to homepage.
Note for in my situation I am on 184.108.40.20600, so it's mostly those individual websites have changed something incompatible with Maxthon itself
As of today, 24 June, the web version of Outlook does not work either. The standard browser version constantly refreshes between two links while a new private window prevents me from even logging in with a valid account that works perfectly fine in another browser.