Template objects are eternal when put into WeakMap · Issue #840 · tc39/ecma262
As with all fun things this came out of a discussion with @anba and @arai-a. We ran into it as I was fixing template object canonicalization in Firefox. So GetTemplateObject canonicalizes template objects using a realm-wide template registry. I assume the intention is to allow this registry to be implemented internally as a weak map: if the template object itself is GCed, then the identity of the
tc39-notes/summary.md at master · tc39/tc39-notes · GitHub
Summary for the 62nd meeting of Ecma TC39 Agenda General Code of Conduct updates properly forming a list of members for its enforcement team. ECMA404 is an ISO standard (ISO-21778) TC39 adopted an official logo Mathias Bynens introduced jsvu to provide an easier use of eshost workflow A new form for contributions is adopted. It's already applied for the Test262 CLA sign up. The Chair group (Rex, D
Sync/Async compatibility with promises & callbacks · Issue #179 · tc39/proposal-observable
In this spec some observables emit synchronously (e.g. Observable.from()). This breaks the well established behaviour that programmers learned to expect from JavaScript run-to-completion-semantics. Callbacks and Promises always resolve asynchronously (promises-are-always-aynchronous). This is not by accident and greatly simplifies the reasoning needed to understand a program. citing MDN - Event lo
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GitHub - tc39/proposal-well-formed-stringify: Proposal to prevent JSON.stringify from returning ill-formed strings
GitHub - tc39/proposal-regexp-named-groups: Named capture groups for JavaScript RegExps
Support JSON serialisation of BigInt values · Issue #24 · tc39/proposal-bigint
Layering: Check for the correct owner in DetachArrayBuffer by littledan · Pull Request #1112 · tc39/ecma262
normative: allow await in parameter defaults (#917) by pemrouz · Pull Request #1136 · tc39/ecma262
GitHub - tc39/proposal-object-from-entries: TC39 proposal for Object.fromEntries
rename flatten to smoosh by michaelficarra · Pull Request #56 · tc39/proposal-flatMap
proposal-object-rest-spread/Spread.md at main · tc39/proposal-object-rest-spread
Editorial: master is now ES2019 · tc39/ecma262@4b21985
Normative: add RegExp lookbehind to annex-B by mysticatea · Pull Request #1102 · tc39/ecma262
GitHub - tc39/proposal-logical-assignment: A proposal to combine Logical Operators and Assignment Expressions
Add language to identify risk areas for a proposal by ljharb · Pull Request #18 · tc39/process-document
Normative: Make array spread accept nullish values by mathiasbynens · Pull Request #1069 · tc39/ecma262
GitHub - tc39/proposal-collection-methods
GitHub - tc39/proposal-extended-numeric-literals: Extensible numeric literals for JavaScript
GitHub - tc39/proposal-nullish-coalescing: Nullish coalescing proposal x ?? y
Move Promise.prototype.finally to stage 4, per 2018.01.24 TC39 · tc39/proposals@4aa195c
