• createTab: in an incognito window, now don't open extension pages by default, unless evenIncognito
• Scroller: make keepHover enabled by default; also use a cheaper way to prevent hover effects
• autoOpen/openUrl: add an option testUrl, which is default to false if the option keyword is not empty
• LinkHints: use [aria-label] and support html[data-vimium-hints=ordinal]
• Vomnibar: fix bugs when preferring a web page as the Vomnibar page; fix no favicons on Firefox
• Vomnibar: add an option engines: enum to filter out any engines
• scroller: continue scrolling when irrelevant keys get released
• fix some other bugs