ep81 Monthly Web 202103

Info

published_at
2021-04-04
guest
@myakura

Theme

第 80 回のテーマは 2021 年 3 月の Monthly Web です。

Chrome 動向

Stable: 89

Updates

Intents

V8

Other

Firefox 動向

Stable: 87.0

Updates

Intents

Other

Safari 動向

Stable: 14.0.3

Updates

  • Release Notes for Safari Technology Preview 122
    • https://webkit.org/blog/11577/release-notes-for-safari-technology-preview-122/
    • CSS
      • Implemented :focus-visible (r273812, r272983)
      • Implemented the first case in Definite and Indefinite Sizes specifications in section 9.8 for flexbox (r273072)
      • Added experimental support for CSS Color 5 color-contrast() (r273683)
      • Added experimental support for CSS Color 5 color-mix() (r273244)
      • Added experimental support for CSS Color 5 Relative Color Syntax (r273127)
      • Added support for aspect-ratio on flexbox items (r273193)
    • JavaScript
      • Enabled private methods (r273125)
      • Implemented private static methods (r273107)
      • Implemented top-level-await (r273225)
      • Implemented RegExp Match Indices (r273086)
      • Implemented GC verifier (r273138)
      • Added support for modules in Workers and Worklets (r273203)
      • Added support for modules in Service Workers (r273224)
    • WebAssembly
      • Extended wasm type with type index (r273813)
      • Implemented non-trapping float to int conversion (r272933)
    • Web API
      • Enabled Paint Timing (r273221, r273220)
    • WebRTC
      • Added support for WebRTC priority (r273550)
      • Added support for BigInt as media-stream encryption key (r273158)
    • Accessibility
      • Added the ability for an embedded accessibility image description in an image file to be reported if available (r273214)
  • Release Notes for Safari Technology Preview 123
    • https://webkit.org/blog/11585/release-notes-for-safari-technology-preview-123/
    • CSS
      • Changed to consider intrinsic sizes as automatic whenever the block axis of the flex item is the flexible box main size (r273955)
      • Fixed orthogonal items with percentage sizes in Flexbox (r273958)
      • Fixed position: sticky behavior in a table with dir=RTL (r273982)
    • Web API
      • Removed the Origin header if the navigation request goes from POST to GET (r273905)

Position

Other

Edge 動向

Stable: 89

Ignite

Updates

Chakra

Other

WHATWG/W3C 動向

Draft

Other

ES2021

Meeting

Proposals Diff

New Proposals

  • Provides additional methods to Array.prototype to enable changes on an array by returning a new copy of it with the change.

Other

IETF 動向

WG

Spec

  • RFC
    • Joke RFC: 見てない
  • IETF Last Call
  • WG Last Call
  • Call for Adoption
  • I-D Action
  • Draft

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 Faster release from 94
  • Spectre PoC DEMO
  • URL bar default to https://
  • ship: JSON modules
  • ship: inert
  • prototype: document.prerendering
  • Web.dev CWV debugging や case study 系の記事
  • Compat 2021 で CSS Flexbox/Grid etc の改善着手
  • privacysandbox.com
  • FLoC OT
  • Android chrome/webivew 障害
  • Referer Policy Default change
  • ETP で built in shim へのフォールバック?
  • MDN Tier 1 locale unfrozen
  • Firefox Ship: aspect-ratio
  • Safari focus-visible
  • Private (static) method
  • Worklets & module in sw
  • Igalia contribution
  • Edge Legacy サポート終了
  • Post-Spectre Web Development
  • ES2021 Candidate
  • Record & Tuple の immutable method 提案
  • Temporal Stage 3 と Standard Position
  • Promise.race と anySettled の話
  • Module Fragments for stage 1
  • BCP65bis の Re-WGLC