2.4.0

• Fix testing for support in hidden documents (cd38a7d)

2.3.1

• Fix typo-induced error in Safari 9 (#19)

2.3.0

• Fix that the toggle event incorrectly bubbled (62cf9b5)
• Lower specificity of <summary> styles (#17)

2.2.0

• Fix that aria-expanded…
  • …was incorrectly set on <details> instead of <summary> (#15 (comment) → #16)
  • …wasn't always updated on <summary> when toggling <details> (e9958d0)

2.1.1

• Ensure initial <summary> elements are polyfilled
  • Regression introduced in 1d17534
  • Fixes test coverage added in 1eb7db8

2.1.0

• Style <details> and <summary> as display: block; (#13, 1cd5037)

2.0.4

• Ensure dynamically added child <summary>s are polyfilled (#11)

2.0.3

• Allow Alt-clicking <summary> elements (#10)

2.0.2

• Support clicking non-Element <summary> child nodes in IE 11 (#9)

2.0.1

• Ensure element.open returns a boolean (#8)