22 Mar 2017 Normative: Date.prototype.toString throws on non-Date receiver by littledan · Pull Request #850 · tc39/ecma262
26 Feb 2017 Revert to ES2015 semantics for class extends null by ajklein · Pull Request #781 · tc39/ecma262
26 Feb 2017 Normative: do not call super constructor when ThisBindingStatus is already initialized by bterlson · Pull Request #762 · tc39/ecma262
