[1] Add <link rel=serviceworker>+associated attributes (sideshowbarker著, ) https://github.com/whatwg/html/commit/c5d4f5cbee270e81fd7ed49fd62ca2cd26741240
[2] Tweak <link>.workerType reflection (domenic著, ) https://github.com/whatwg/html/commit/81032355f6c50131bda6d77c97299a273682c2e8
[3] Remove <link rel=serviceworker> for now (jakearchibald著, ) https://github.com/whatwg/html/commit/52d09c920e75eec84c037958b7f9aaad84f860d0
[4] Removing link rel=serviceworker for now. by jakearchibald · Pull Request #3233 · whatwg/html () https://github.com/whatwg/html/pull/3233
[5] Removing link rel=serviceworker for now. by jakearchibald · Pull Request #3233 · whatwg/html () https://github.com/whatwg/html/pull/3233
[6] Improve "update via cache" and "worker type" in register algorithms. (#… (mattto著, ) https://github.com/w3c/ServiceWorker/commit/7f2b6e15d0cf393eb5fb47f4ff0baf73cec68cb8