Renamed:
- `ExecuteModule` → `ExecuteAsyncModule`
- `Abstract Equality Comparison` → `IsLooselyEqual`
- `Abstract Relational Comparison` → `IsLessThan`
- `Strict Equality Comparison` → `IsStrictlyEqual`
Added:
- `CreateNonEnumerableDataPropertyOrThrow`
- `DefineField`
- `DefineMethodProperty`
- `GatherAvailableAncestors`
- `IfAbruptCloseIterator`
- `InitializeInstanceElements`
- `InstallErrorCause`
- `IsPrivateReference`
- `IsStringWellFormedUnicode`
- `MakePrivateReference`
- `NewPrivateEnvironment`
- `PrivateElementFind`
- `PrivateFieldAdd`
- `PrivateGet`
- `PrivateMethodOrAccessorAdd`
- `PrivateSet`
- `RegExpHasFlag`
- `ResolvePrivateIdentifier`
- `RoundMVResult`
- `SortIndexedProperties`
- `StringToNumber`
- `TypedArrayElementSize`
- `TypedArrayElementType`
Removed:
- `InitializeEnvironment`
- `SplitMatch` removed; `IsStringPrefix` refactored: tc39/ecma262#2144