v2.2.1

2.2.1

v2.2.0

Adds TypeScript declarations.

v2.1.0

2.1.0

v2.0.0

🎉 Port to a hybrid Polymer 2.0 element 🎉

v1.3.0

1.2.1 -> 1.3.0

v1.2.1

1.2.0 -> 1.2.1

v1.2.0

Added --iron-collapse-transition-duration css custom property #62

v1.1.1

1.1.0 -> 1.1.1

v1.1.0

Set max-width/max-height instead of width/height to have animations also when contained in flex containers

v1.0.8

Merge branch 'master' of github.com:PolymerElements/iron-collapse