仕様書

関連

[3] rel=subresource と直接の関係はありません。

歴史

[5] Align Fetch's destination concept with changes in Fetch (sideshowbarker著, 2016-07-05 02:46:14 +09:00) <https://github.com/whatwg/html/commit/5e8f96a85d182d36c177db0d6fdde58b4ded86d4>

[1] Split up media into video, audio and track (yoavweiss著, 2016-12-17 00:06:19 +09:00) <https://github.com/whatwg/fetch/commit/ba175cf1100045da83ed0d7768629653aa979c20>