@blueprintjs/core@2.2.0

• ⭐️ #2325 Support for customizing the CSS class namespace pt-
  • in the upcoming 3.0 release, we will change this namespace to bp3- to avoid style conflicts with previous versions of Blueprint on the same page
  • added a new docs page about Classes to encourage use of the forward-compatible Classes constants
• ⭐️ #2341 Slider now uses percentages instead of pixels for layout, resulting in effortless resizes! (🎩 @reiv)
  
• 📦 #2362 Upgrade to Normalize.css 8.0.0 to fix font-family issues on some components (🎩 @reiv)
• 🔨 #2328 Fix Webpack externals so *.bundle.js files are as light as possible
• 🔨 #2367 Fix TypeScript bundling with at-loader on Windows (🎩 @reiv
• #2399 Added Overlay didClose and Popover popoverDidClose lifecycle props!
  • now possible with react-transition-group onExited method (did not exist in 1.0)
• #2131 ContextMenu now re-creates its DOM element when it closes, allowing it to be used in other overlays like Dialog
• #2344 InputGroup now supports .pt-fill modifier (🎩 @qcz)
• #1861 InputGroup now has default right padding when rightElement is omitted
• #2382 Popover improved focus event handling, particularly when switching tabs (🎩 @reiv)
• #2400 Fix Callout icon positioning
• #2377 Fix Checkbox onChange 😨 (🎩 @js-um)
• #803 Fix ContextMenu so it will remain inside the viewport
• #1188 Fix Overlay outside click logic when hasBackdrop=false
• #2401 Fix Portal onChildrenMount so it is invoked after children mount
• #2365 Fix large TagInput tag-remove button size
• #2409 File input Sass variables now have !default