Some internal 'itr' -> 'iter' renaming
Add specialised ToString() overloads for int and long
Remove unnecessary casts, update step comments and handle too large arrays directly in Array.prototype.sort
Various clean-ups
Call ToObject() instead of performing unsafe cast
Remove Math and JSON special cases from Object.prototype.toString (rev19)
Fix bug in Symbol constructor and add missing String.prototype[@@toStringTag] property (rev19)
Provide new constructor for BuiltinFunction to create default function properties
Reflect is now specified as an ordinary object (rev19)
%TypedArrayPrototype%'s array methods don't actually check [[ViewedArrayBuffer]] (rev19)
Add assertions to ensure internal integrity
Add missing initialisation check in DataView constructor
Add missing [[ArrayBufferByteLength]] check, change variable types from double to long
Change parameters types from double to long, add missing Buffer#clear() calls and provide fast path for CloneArrayBuffer
Remove 'JSON' and 'Math' from Object.prototype.toString censored list
Update step comments
Provide better error messages for uncaught script exceptions in shell
Provide separate ast-nodes and compilation for legacy generators (ugh...)
Remove 'BYTES_PER_ELEMENT' definition from TypedArray constructors, now handled in spec
Update mozilla @@iterator compatibility scripts