Platform Status 12月の変更
前回調べた日付は11月1日ですが、今月の変更はありません。
もうすぐホリデーシーズンに入る為、今年の更新はないと思われます。
一応、いつも参照している場所のご紹介
今年もわずかですので、Blog 開始付近から機能がプレビューになっていく過程を表にしました。
6、8、11、12月 の更新が無いため、11、12月分は省略しています。
| 3月 | 4月 | 5月 | 6月 | 7月 | 8月 | 9月 | 10月 | |
| <img srcset> | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | |
| <main> element | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | ||
| <meter> Element | 〇 | 〇 | ||||||
| <picture> Element | 〇 | 〇 | ||||||
| <template> Element | 〇 | 〇 | ||||||
| a[download] attribute | 〇 | 〇 | ||||||
| ARIA Landmark Roles | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | |
| Arrow function | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| ASM.js | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | ||
| Async Functions (ES2016) | 〇 | 〇 | ||||||
| Canvas 2D ellipse | 〇 | 〇 | ||||||
| Classes (ES6) | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| Compositing and Blending in Canvas 2D | 〇 | 〇 | ||||||
| Conditional Rules | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | |
| Content Security Policy | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| CSS Gradient Midpoints | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | |
| CSS initial value | 〇 | |||||||
| CSS Mutability Pseudo-classes | 〇 | 〇 | ||||||
| CSS Range Pseudo-classes | 〇 | 〇 | ||||||
| CSS Transforms - preserve-3d | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| CSS Transitions & Animations for SVG elements | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | |
| CSS unset value | 〇 | |||||||
| Date related input types | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | |
| Default parameter | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | ||
| Destructuring (ES6) | 〇 | 〇 | ||||||
| DOM Level 3 XPath | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| dppx Unit for the resolution Media Query | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| ES6 Numeric Literals | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| ES6 Object Literal Enhancements | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| Exponentiation Operator (ES2016) | 〇 | 〇 | ||||||
| Extended srcset and sizes support | 〇 | 〇 | ||||||
| Filters | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | |
| Fullscreen API | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | |
| GamePad API | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| Generators | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | ||
| HTTP Live Streaming (HLS) | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| HTTP Strict Transport Security (HSTS) | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| HTTP/2 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| JS iterators (i.e. the for-of feature) | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| Math Built-ins (ES6) | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| Media Capture and Streams | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | ||
| Media Queries Level 4: Interaction Media Features (pointer and hover) | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| Motion JPEG (MJPG) | 〇 | 〇 | 〇 | 〇 | ||||
| Number Built-ins (ES6) | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| Object Built-ins (ES6) | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| oninvalid event handler | 〇 | 〇 | ||||||
| Pointer Lock (Mouse Lock) | 〇 | 〇 | ||||||
| Promises (ES6) | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| Proxies (ES6) | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| RegExp Built-ins (ES6) | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | ||
| Rest parameters | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| Selection API | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| selectionDirection attribute on text input elements | 〇 | 〇 | ||||||
| SIMD (ES7) | 〇 | 〇 | 〇 | 〇 | ||||
| Spread (ES6) | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| String Built-ins (ES6) | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| SVG External Content | 〇 | 〇 | ||||||
| SVG foreignobject element | 〇 | 〇 | 〇 | 〇 | ||||
| Symbols | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| Template Strings (ES6) | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| Time-related input types | 〇 | 〇 | ||||||
| Touch Events | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | |
| Video tracks | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| WAV Audio Support | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| WeakSet (ES6) | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 |
| Web Audio API | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | |
| WebRTC – Object RTC API | 〇 | 〇 |
やはり、1511 の更新のために
9月に実装が多くされているようですね。
