3.51.0 - 2026.10.19

• Changes v3.50.0...v3.51.0 (62 commits)
• Iterator chunking proposal:
  • Built-ins:
    • Iterator.prototype.chunks
    • Iterator.prototype.windows
  • Moved to stable ES, September 2026 TC39 meeting
  • Added es. namespace modules, /es/ and /stable/ namespace entries
• Iterator includes proposal:
  • Built-in:
    • Iterator.prototype.includes
  • Moved to stable ES, September 2026 TC39 meeting
  • Added es. namespace module, /es/ and /stable/ namespace entries
• Iterator join proposal:
  • Built-in:
    • Iterator.prototype.join
  • Moved to stable ES, September 2026 TC39 meeting
  • Added es. namespace module, /es/ and /stable/ namespace entries
• Added detection / fix of Math.sumPrecise negative numbers handling WebKit bug
• Added detection / fix of Math.sumPrecise V8 bugs with modified prototypes of arrays and array iterators
• Added detection / fix of RegExp.escape code points handling WebKit bug
• Added missed detection of imprecise native Math.asinh in V8 < 5.4 and Rhino
• Added missed detection of imprecise native Math.cbrt in FF < 48 and engines that use glibc cbrt
• Fixed Promise.{ allKeyed, allSettledKeyed } algorithm for sync promises
• Compat data improvements:
  • Iterator.{ zip, zipKeyed } marked as shipped in V8 ~ Chrome 153
  • Iterator.prototype.includes marked as shipped in V8 ~ Chrome 154
  • Iterator.prototype.join marked as shipped in V8 ~ Chrome 153
  • Promise.{ allKeyed, allSettledKeyed } marked as shipped in FF155
  • Iterator.prototype.{ drop, take } marked as properly supported with tc39/ecma262/#3776 from FF158
  • Iterator.{ zip, zipKeyed } marked as shipped in Bun 1.4.0
  • Iterator.prototype.{ chunks, windows } marked as shipped in Bun 1.4.0
  • Iterator.prototype.join marked as shipped in Bun 1.4.0
  • Because of a Math.sumPrecise negative numbers handling WebKit bug, this method is marked as not supported in Safari and Bun
  • Because of Math.sumPrecise V8 bugs (see above), this method is marked as not supported in Chrome -> all other V8 engines
  • RegExp.escape code points handling WebKit bug:
    • Marked as still not fixed in stable Safari
    • Marked as fixed in Bun 1.4.3
  • Because of imprecision (see above), Math.asinh is marked as supported from V8 ~ Chrome 54 and as not supported in Rhino, Math.cbrt - from FF48
  • Added Node 27.0 compat data mapping
  • Updated Electron 45 and added 46 compat data mapping
  • Added Samsung Browser 31 compat data mapping
  • Added Opera for Android 101 and 102 compat data mapping