Sourced from core-js's changelog.

3.47.0 - 2025.11.18

• Changes v3.46.0...v3.47.0 (117 commits)
• JSON.parse source text access proposal :
  • Built-ins:
    • JSON.isRawJSON
    • JSON.parse
    • JSON.rawJSON
    • JSON.stringify
  • Moved to stable ES, November 2025 TC39 meeting
  • Added es. namespace modules, /es/ and /stable/ namespaces entries
  • Reworked JSON.stringify internals
• Iterator sequencing proposal:
  • Built-ins:
    • Iterator.concat
  • Moved to stable ES, November 2025 TC39 meeting
  • Added es. namespace modules, /es/ and /stable/ namespaces entries
• Joint iteration proposal:
  • Built-ins:
    • Iterator.zip
    • Iterator.zipKeyed
  • Moved to stage 3, November 2025 TC39 meeting
  • Added /actual/ namespace entries, unconditional forced replacement changed to feature detection
• Fixed increasing .size in URLSearchParams.prototype.append polyfill in IE8-
• Compat data improvements:
  • Iterator.concat marked as shipped in FF147
  • Map upsert proposal features marked as shipped in Safari 26.2
  • Math.sumPrecise marked as shipped in Safari 26.2
  • Uint8Array.{ fromBase64, prototype.setFromBase64 } marked as fixed in Safari 26.2
  • Missed Explicit Resource Management features added in Bun 1.3.0
  • Added Oculus Quest Browser 41 compat data mapping
  • Added Electron 40 compat data mapping

• c1d2c7e v3.47.0
• 400f00e move JSON.parse source text access to stable ES
• 2b383e9 move joint iteration to stage 3
• 21f984c move Iterator sequencing proposal to stable ES
• 6add4cd add explicit "sideEffects": true to core-js and core-js-bundle packages
• 0f6c98d update eslint-plugin-unicorn
• fe04540 fix increasing .size in URLSearchParams.prototype.append polyfill in IE8-
• See full diff in compare view

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