January 2021

[jridgewell]

https://github.com/tc39/agendas/blob/master/2021/01.md

[jridgewell]

Runtime Semantics for MemberExpression do not conform to web reality (issue, PR) achieves consensus

[jridgewell]

RegExp Match Indices update (spec, slides) achieves consensus on the d flag

[jridgewell]

JSON modules for stage 3 (slides) reaches Stage 3 (with mutable semantics)

[jridgewell]

Array.isTemplateObject for stage 3 (slides) has an unresolved queue, we'll try to revisit

[jridgewell]

JS Module Blocks for stage 2 (spec, slides) reaches Stage 2

[jridgewell]

Class static Initialization Blocks for Stage 3 (tentatively) (spec, slides) reaches conditional Stage 3, and I'm not sure what the condition is.

[ljharb]

The condition is "pending approval by reviewers and editors". When the criteria have been met, https://github.com/tc39/proposals will be updated.

[jridgewell]

Intl.DateTimeFormat.prototype.formatRange for Stage 4 (spec, PR, slides) reaches Stage 4

[jridgewell]

Dynamic code brand checks for stage 2 (slides) does not advance

[jridgewell]

Intl Locale Info for stage 2 reaches Stage 2 without UnitInfo.

[jridgewell]

Intl DisplayNames v2 for stage 2 reaches Stage 2

[jridgewell]

do expressions for stage 2 (slides, spec) does not advance

[jridgewell]

async do expressions for stage 1 (slides, spec) reaches Stage 1

[jridgewell]

class brand check for stage 1 (slides) reaches Stage 1, but it is not a replacement for #x in foo syntax.

[jridgewell]

Ergonomic brand checks for private fields for stage 3 (issue) reaches Stage 3 (the aforementioned #x in foo syntax)

[jridgewell]

Extend TimeZoneName Option Proposal for stage 1 reaches Stage 1

[jridgewell]

eraDisplay option for Intl.DateTimeFormat for stage 1 (slides) reaches Stage 1

[jridgewell]

Adopting Unicode behavior for set notation in regular expressions (slides) for stage 1 reaches Stage 1

[jridgewell]

Revisiting RegExp.escape moves to Stage 1 as a generic "how do we escape regex" mission

[jridgewell]

index from end syntax for stage 1 (slides) does not advance

[jridgewell]

Array find from last for stage 1 (slides) reaches Stage 1

[jridgewell]

defer module import eval for stage 1 (slides) reaches Stage 1

[jridgewell]

Intl LocaleMatcher for Stage 1 reaches Stage 1