Bug fixes
autoplay: ignore start() and stop() on a destroyed instance
core: defer layout updates until a hidden container has a size
core: keep cssMode sliders on their slide when a resize moves the scroll
core: loop forward navigation with few slides (cards effect, loopAdditionalSlides)
core: mount elements from another window (iframe)
core: slidePrev overshoot with slidesPerView auto + slidesPerGroupAuto
core: slideToLoop leaves part of the view empty in centered loop with few slides
navigation: prevent navigation button icon clipping and vertical disalignment
react: reset forwarded ref on unmount
scrollbar: reposition the drag when the scrollbar size is updated
thumbs: scroll thumbs the right way when the main swiper loops