Safari 9.1

Safari 9.1The following new features have been added in Safari 9.1. Picture Element SupportYou can use the HTML picture element to provide Safari with multiple versions of the image for different browser configurations and viewport sizes. Safari evaluates the picture's image resources in the order in which they are provided. Safari displays the first image resource with media attributes that confo

[rikuo]

picture要素、filter（prefix無しに）、CSS Variablesなど。

[efcl]

Safari 9.1のリリースノート。 `<picture>`要素のサポート、Web Inspectorの改善、特定条件下でのタップ遅延の除去、CSS Variableのサポートなど

[Pasta-K]

タッチイベントの350msの遅延なくなるのか！

[kojika17]

Mac Developer Library — Prerelease

[teppeis]

Safari 9.1はpicture要素、Fast-tap、CSS Variablesなどに対応。ES6は進捗無し。