ep80 Monthly Web 202102

Info

published_at
2021-03-03
guest
@myakura

Theme

第 80 回のテーマは 2021 年 2 月の Monthly Web です。

Show Note

Chrome 動向

Stable: 88

Updates

Intents

V8

Other

Firefox 動向

Stable: 86.0

Updates

Intents

Other

Safari 動向

Stable: 14.0.3

Updates

  • Introducing Private Click Measurement, PCM
  • Updates to the Storage Access API
  • Release Notes for Safari Technology Preview 120
  • Release Notes for Safari Technology Preview 121
    • https://webkit.org/blog/11555/release-notes-for-safari-technology-preview-121/
    • CSS
      • Added support for aspect-ratio on grid items (r272307)
      • Added support for logical variants of scroll-padding and scroll-margin (r272035)
      • *Added support for color(a98-rgb ...), color(prophoto-rgb ...), color(rec2020 ...), color(xyz ...), hwb() as part of CSS Color 4 (r271992, r272125, r272123, r272311, r272344)
      • Added support for percentages when parsing color(srgb …) and color(display-p3 …) per-spec (r271866)
      • Implemented scroll-snap-stop for scroll snapping (r272610)
    • Media
      • Added intermediate volume icon states between "mute" and "max" (r272375)
    • JavaScript
      • Added @ in Error#stack even if function name does not exist (r272139)
      • Added Atomics support for BigInt64Array and BigUint64Array behind a runtime flag (JSC_useSharedArrayBuffer=1) (r272341)
      • Adjusted properties order of host JS functions (r272099)
      • Implemented BigInt64Array and BigUint64Array (r272170, r272215)
      • Implemented private methods behind flag (JSC_usePrivateMethods=1)(r272580)
      • Made JSON.parse faster by using table for fast string parsing (r272570)
    • WASM
      • Implemented WebAssembly.instantiateStreaming and WebAssembly.compileStreaming (r271993)
      • Implemented streaming compilation/instantiation for the Blob type (r272221)
    • A11y
      • Exposed focusable elements even if the element or ancestor has aria-hidden=true (r272390)

Position

Other

Edge 動向

Stable: 88

Updates

Chakra

Other

WHATWG/W3C 動向

Draft

Other

TC39 動向

Meeting

Proposals Diff

New Proposals

IETF

Spec

Other

CDN 動向

Cloudflare

Fastly

Other

セキュリティ動向

周辺動向

イベント

Wrap Up

  • Chrome
    • PWA install prompt requirements change
    • :focus-visible default UA Style
    • macOS X UA string freezing
    • Origin-Agent-Cluster
    • IP-multicast
    • width/height <picture> <source>
    • Early Hints Prototype
    • Speculation Rules
  • Firefox
    • Total Cookie Protection
    • color-mix
  • Safari
    • Privacy Click Measurement
    • color function in TP
    • Private Method behind flag
    • Declarative Shadow DOM position request
  • Edge
    • Edge Legacy Remove
    • Adaptive Notification Request
    • IE サポート終了の流れ加速
  • W3C
    • WHATWG HTML as Recommendation
  • IETF
    • RFC 8941 Structured Field Values
    • RFC 8942 HTTP Client Hints
  • セキュリティ
    • Cookie / Privacy Sandbox / 独占禁止法 / 公正取引委員会
    • Let's Encrypt インフラ改善
  • 周辺
    • 日本の Web A11y 関心調査