• fixed desktops/laptops with touch support not accepting mouse events for
  dayClick/dragging/resizing (#3154, #3149)
• fixed dayClick incorrectly triggered on touch scroll (#3152)
• fixed touch event dragging wrongfully beginning upon scrolling document (#3160)
• fixed minified JS still contained comments
• UI change: mouse users must hover over an event to reveal its resizers

• dayClick not firing on touch devices (#3138)
• icons for prev/next not working in MS Edge (#2852)
• fix bad languages troubles with firewalls (#3133, #3132)
• update all dev dependencies (#3145, #3010, #2901, #251)
• git-ignore npm debug logs (#3011)
• misc automated test updates (#3139, #3147)
• Google Calendar htmlLink not always defined (#2844)

touch device support (#994):

• smoother scrolling
• interactions initiated via "long press":
  • event drag-n-drop
  • event resize
  • time-range selecting
• longPressDelay

• make nowIndicator positioning refresh on window resize

• current time indicator (#414)
• bundled with most recent version of moment (2.11.0)
• UMD wrapper around lang files now handles commonjs (#2918)
• fix bug where external event dragging would not respect eventOverlap
• fix bug where external event dropping would not render the whole-day highlight

• internal timezone refactor. fixes #2396, #2900, #2945, #2711
• internal "grid" system refactor. improved API for plugins.

refactor of internal timezone representation.
Fixes DST-related bugs: #2396, #2900, #2945, #2711

internal refactor of the "grid" system, providing increased flexbility for plugins like
fullcalendar-scheduler

• add new buttons to the header via customButtons (225)
• control stacking order of events via eventOrder (364)
• control frequency of slot text via slotLabelInterval (946)
• displayEventTime (1904)
• on and off methods (1910)
• renamed axisFormat to slotLabelFormat