[1] Add <img decoding> (vmpstr著, 2017-12-05 19:27:37 +09:00) https://github.com/whatwg/html/commit/05525c88994bf7748eed4e175f2f51f6a01105bc

[2] "decode" attribute on <img> · Issue #1920 · whatwg/html (2017-12-17 23:44:48 +09:00) https://github.com/whatwg/html/issues/1920

[3] Add <img> decoding="" attribute by vmpstr · Pull Request #3221 · whatwg/html (2017-12-18 00:01:06 +09:00) https://github.com/whatwg/html/pull/3221

[4] Release Notes for Safari Technology Preview 46 | WebKit (2017-12-21 10:51:56 +09:00) https://webkit.org/blog/8042/release-notes-for-safari-technology-preview-46/

[5] New WebKit Features in Safari 11.1 | WebKit (2018-04-24 13:07:30 +09:00) https://webkit.org/blog/8216/new-webkit-features-in-safari-11-1/

[6] Editorial: removing <img>.decoding domintro (domenic著, 2018-12-19 06:29:36 +09:00) https://github.com/whatwg/html/commit/3c08a8bf26a8c21f9d65c1fe5f615fd974547e37

[7] Editorial: removing <img>.decoding domintro by domenic · Pull Request #4245 · whatwg/html (2019-05-31 15:05:26 +09:00) https://github.com/whatwg/html/pull/4245