Promise.all no longer uses @@species Promise.race no longer uses @@species For-in supports proxy For-in supports proxy For-in supports proxy For-in supports proxy For-in supports proxy For-in supports proxy ES2016 change: Reflect.enumerate has been removed ES2016 change: Reflect.enumerate has been removed ES2016 change: Reflect.enumerate has been removed ES2016 change: Reflect.enumerate has been removed ES2016 change: Reflect.enumerate has been removed ES2016 change: Reflect.enumerate has been removed RegExpBuiltinExec no longer uses accessors to get flags RegExpBuiltinExec no longer uses accessors to get flags RegExpBuiltinExec no longer uses accessors to get flags RegExpBuiltinExec no longer uses accessors to get flags lastIndex no longer needs to be updated if not sticky or global lastIndex no longer needs to be updated if not sticky or global RegExpBuiltinExec no longer uses accessors to get flags RegExpBuiltinExec no longer uses accessors to get flags RegExpBuiltinExec no longer uses accessors to get flags RegExpBuiltinExec no longer uses accessors to get flags RegExpBuiltinExec no longer uses accessors to get flags RegExpBuiltinExec no longer uses accessors to get flags RegExpBuiltinExec no longer uses accessors to get flags RegExpBuiltinExec no longer uses accessors to get flags RegExpBuiltinExec no longer uses accessors to get flags RegExpBuiltinExec no longer uses accessors to get flags RegExpBuiltinExec no longer uses accessors to get flags Test is outdated: ES11, 21.2.5.13 13 RegExpBuiltinExec no longer uses accessors to get flags No longer a SyntaxError in ES11 ES2016 change: Generator methods isn't constructor - https://github.com/tc39/ecma262/pull/171 No longer a SyntaxError in ES11 No longer a SyntaxError in ES11 ES2018 change: next method must be cached ES2019 change: catch without parameter is allowed Unicode 13: 0x180E is no longer whitespace character Unicode 13: 0x180E is no longer whitespace character Unicode 13: 0x180E is no longer whitespace character Unicode 13: 0x180E is no longer whitespace character Unicode 13: 0x180E is no longer whitespace character Unicode 13: 0x180E is no longer whitespace character Unicode 13: 0x180E is no longer whitespace character Unicode 13: 0x180E is no longer whitespace character Unicode 13: 0x180E is no longer whitespace character Unicode 13: 0x180E is no longer whitespace character Unicode 13: 0x180E is no longer whitespace character Unicode 13: 0x180E is no longer whitespace character lastIndex handling in Symbol.search has changed since ES6 lastIndex handling in Symbol.search has changed since ES6 RegExp accessors should no longer throw when called on the RegExp prototype RegExp accessors should no longer throw when called on the RegExp prototype RegExp accessors should no longer throw when called on the RegExp prototype RegExp accessors should no longer throw when called on the RegExp prototype