I never stopped using them. I never could stop using them, it feels so clumsy to work a PC without gestures. I am currently using StrokesPlus.net for this purpose, I am sure there are others.
Long ago MyIE2 had the most sophisticated mouse gestures. For example: One could select some text, drag it and it would search. (I had search configured to open non advertisement results in background tabs) If the text contained any links it in stead opened each of them in tabs to the right. So you selected the entire menu of the blog and tossed it to the right. There were gestures to move to the tab on the left or right but also to close the current tab AND move to the left or right. This was important to dig though an enormous pile of preloaded tabs you still had to look at. Things went so fast I got tired after surfing for a few hours.
Maxthon was not that good, I lost interest in it. Lets have a look... https://forum.maxthon.com Well, it seems quite hilarious. It supports chrome add-ons [sic] and..
> ...Create and manage blockchain identities and assets.
> ...access blockchain content...
> ...Encapsulate the blockchain technology ... enabling developers to build powerful Apps.
The 2020 forum posts describes mx6 as:
> The main browser features of mx6 will be developed based on a deeply customized chromium code base and existing mx5 codebase. All bitcoin related features will be developed by Maxthon team. Mx6 also has an open API to enable other developers to integrate their code.