4.1.0

• UMD build

4.0.0

• Interpolation of hex RGB colors
• Interpolation of combined values such as border, padding or margin
• Removal of identical values in subsequent keyframes
• Removal of empty keyframes
• Ignores precision for px values
• Unitless numeric start or end value adopts unit from counterpart that has one

3.0.0

• Numeric css units support
  • Units are automatically parsed, values are interpolated and units re-appended
  • format was renamed toString
  • formatter argument of toString is only needed for special cases (see an example in the docs)

2.1.1

First release with at least semi-complete documentation.