v2.1.4

Improvements

• Added typings for 2.1 features (@ktsn via #4305)
• New v-on modifier: .once (@KingMario via #4267)
• config.keyCodes now support Array values for mapping an alias to multiple keyCodes. (@defcc via #4328)
• Modifier key modifiers (.ctrl, .alt, .shift and .meta) now also work for KeyboardEvents.

Fixed

• #4304 fix in-browser detection in jsdom + Node 7
• #4306 fix static style bindings that contains !important
• #4315 fix incorrect context for slot content created in functional components
• #4339 fix keep-alive child component root transition
• fix stateful transition wrapper component as child component root