4.1.0
docs: Fix simple typo, transiition -> transition
switch old toArray helper to Array.from
polyfill element.closest for ie11
auto-animate; carry forward fragment visibility, unmatched elements adhere to duration/delay attributes
fix and tests for custom key bindings in help overlay
don't write '#/' to url on first slide, remove history api feature detection
fix slide notes printing
plugins can be direct references or factory functions
move pointer logic out to own controller
leave the progress bar empty if there's < 2 slides
bg videos remain muted on mobile, otherwise broken when navigating with swipe gestures
fix slide numbering issue with uncounted horizontal slides (fixes #2675)
dont prevent page scrolling when swiping on embedded decks