The Streams specification has been updated to add an optional `min` option to `byobReader.read(view)`. When the `min` option is given, the read will only be fulfilled as soon as `min` number of elements are available in the stream. Specification: https://github.com/whatwg/streams/pull/1145 Tests: https://github.com/web-platform-tests/wpt/pull/29723
<rdar://problem/118646139>