Updates from the 94th TC39 meeting

• proposal-change-array-by-copy

  14 510 3.1 HTML

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

  

Change Array by Copy: Provides additional methods on Array.prototype and TypedArray.prototype to enable changes on the array by returning a new copy of it with the change.

• proposal-symbols-as-weakmap-keys

  4 90 0.0

  Permit Symbols as keys in WeakMaps, entries in WeakSets and WeakRefs, and registered in FinalizationRegistries

  

Symbols as WeakMap keys: Permit Symbols as keys in WeakMaps, entries in WeakSets and WeakRefs, and registered in FinalizationRegistries

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• proposal-arraybuffer-transfer

  2 25 3.0

  Proposal to add ArrayBuffer.prototype.transfer

  

ArrayBuffer transfer: proposal to add ArrayBuffer.prototype.transfer

• proposal-import-assertions

  15 390 0.0 HTML

  Discontinued Proposal for syntax to import ES modules with assertions [Moved to: https://github.com/tc39/proposal-import-attributes]

  

Import Assertions: Proposal for syntax to import ES modules with assertions

• proposal-symbol-predicates

  1 16 2.1 HTML

  A proposal to introduce ways to differentiate symbols

  

Symbol Predicates: proposal to introduce ways to differentiate symbols.

• proposal-async-context

  3 449 6.3 HTML

  Async Context for JavaScript

  

Async Context: proposal is to provide a mechanism to ergonomically track async contexts in JavaScript.

• proposal-symbol-proto

  2 40 3.7 HTML

  TC39 proposal for mitigating prototype pollution

  

Proto pollution mitigation: Symbol.proto proposal to prevent prototype pollution by introducing a secure mode that only allows prototypes to be accessed through methods or symbol keys, not string property keys. This aims to increase security by making it harder for prototypes to be manipulated maliciously.

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