[1] Add new canvas rendering context: ImageBitmapRenderingContext · whatwg/html@4c59797 (2016-04-13 15:00:38 +09:00 版) https://github.com/whatwg/html/commit/4c59797403ca6545ca54ec2808264f5723727e7a

[2] Specify origin-clean behavior for ImageBitmapRenderingContext · whatwg/html@a4fb976 (2016-04-14 11:50:32 +09:00 版) https://github.com/whatwg/html/commit/a4fb976e4cd1865f2d4259f1783866c3add40f66

[3] Correct RenderingContext typedef (annevk著, 2018-01-17 17:28:22 +09:00) https://github.com/whatwg/html/commit/f7c518aeb7bde6bcde506d6572f9896321b99eb6

[4] Add new canvas rendering context: ImageBitmapRenderingContext by junov · Pull Request #1028 · whatwg/html (2018-01-18 13:25:09 +09:00) https://github.com/whatwg/html/pull/1028

[5] Correct RenderingContext typedef by annevk · Pull Request #3363 · whatwg/html (2018-01-18 13:25:32 +09:00) https://github.com/whatwg/html/pull/3363

[6] ImageBitmapRenderingContext for OffscreenCanvas (fserb著, 2019-05-14 22:28:28 +09:00) https://github.com/whatwg/html/commit/8433bfc9b89f22dc910011fbfd3d162ca900414e

[7] Bitmap rendering Context for OffscreenCanvas by fserb · Pull Request #4455 · whatwg/html (2019-12-06 17:04:44 +09:00) https://github.com/whatwg/html/pull/4455