Fixed bug: normalScrollElement bug after clicking on the element #3808
Fixed bug: normalScroll + fixed element didn't work well on firefox #3775 #3754
Fixed bug: overflow:scroll isn't scrollable inside scrollOverflow #3725
Documentation: clarifying the use of a single extension key option to use multiple domains.
Documentation: improved Chinese docs #3708 #3710 thanks to @AnMokoto and @liufushihai
Documentation: removed redundancy thanks to @haider-ilahi
Examples: added React and Angular examples