Cesium version b12 has been released and is available for download.

Some highlights of the release:
  • Added pinch-zoom, pinch-twist, and pinch-tilt for touch-enabled browsers (particularly mobile browsers).
  • Improved rendering support on Nexus 4 and Nexus 7 using Firefox.
  • Improved camera flights.
  • Added Sandbox example using NASA’s new Black Marble night imagery.
  • Added JulianDate.toIso8601, which creates an ISO8601 compliant representation of a JulianDate.
  • The Timeline widget now properly displays leap seconds.

For a full list of changes, see the change log.