• Added ReadableStreamSource, a new input source for append-only byte streams. Use it to stream in files or to operate on media data while it's being created, for example with MediaRecorder. See the docs
• Added NullTarget, see the docs
• Added a Target.onwrite callback for tracking output size
• Fixed UrlSource crashing for tiny files
• Fixed a race condition in the new reader logic
• Fixed WAVE packet timestamp lookup logic