# 87th meeting of TC39

- TCQ: https://tcq.app/meeting/fVnn
- Hallway track: https://hubs.mozilla.com/oAAvRHu/tc39
- Agenda: https://github.com/tc39/agendas/blob/master/2021/12.md
- Reflector: https://github.com/tc39/Reflector/issues/402

## Day 1 ([notes](https://mths.be/tc39day1))

<details>

<summary>10:00 to 15:00 PST (UTC-8) on 14 December, 2021</summary>

### 10:00-12:00

- Opening & Welcome - Aki
- Volunteers for note-taking
- Adoption of the agenda
- Approval of the minutes from last meeting
- Secretary's Report
- 5m Chairs' Update: Elections, Recognition, Admin
- 10m Select Report from Ecma December GA Meeting Michael Saboff
- ECMA262 Status Updates
- ECMA402 Status Updates
- ECMA404 Status Updates
- Test262 Status Updates
- Updates from the CoC Committee
- 20m Add import.meta\[Symbol.toStringTag] Jordan Harband
- 30m 🔒 RegExp set notation + Unicode properties of strings ready for Stage 3 reviews Markus Scherer and Mathias Bynens
- 10m Array Grouping for Stage 3 (Criteria) Justin Ridgewell
- 10m ShadowRealms updates and potential normative changes Rick Waldron

### lunch (60 minutes)

### 13:00-15:00

- 30m Unblocking tc39/ecma262#2515 and other RegExp Unicode update PRs Michael Ficarra
- 20m 🔒 Extend TimeZoneName Option Proposal for Stage 4 Frank Yung-Fong Tang
- 20m 🔒 Intl DisplayNames v2 for Stage 4 Frank Yung-Fong Tang
- 20m 🔒 Intl Enumeration API Update in Stage 3 Frank Yung-Fong Tang
- 20m 🔒 Intl Locale Info API Update in Stage 3 Frank Yung-Fong Tang
- 30m Array.fromAsync for Stage 2 (Slides) J. S. Choi
- 30m Temporal update and normative changes Philip Chimento
- 15m Destructuring Private Fields Status Update Justin Ridgewell
- 15m RegExp \R Escape for Stage 2 Ron Buckton

</details>

## Day 2 ([notes](https://mths.be/tc39day2))

<details open>

<summary>10:00 to 15:00 OST (UTC-8) on 15 December, 2021</summary>

### 10:00-12:00

// 5 min over

- 60m 🔒 Records and Tuples: design space for referencing objects Nicolò Ribaudo, Rick Button, Robin Ricard
- 10m `Promise.prototype.finally` should use `onFinally`'s realm for newly creating functions Jordan Harband
- 15m Decorators: Updates to @init Chris Hewell Garrett
- 30m Decimal Stage 1 Update Sarah Groff Hennigh-Palermo

### lunch (60 minutes)

### 13:00-15:00

// 30 extra

- 30m RegExp Modifiers for Stage 2 Ron Buckton
- 30m RegExp Buffer Boundaries for Stage 2 Ron Buckton
- 30m Intl.Segmenter v2 for Stage 1 Frank Yung-Fong Tang
- 10m (continuation) `Promise.prototype.finally` should use `onFinally`'s realm for newly creating functions Jordan Harband
- 5m Incubation Chartering Shy-yu Guo
- 1m (just before the break) Master->Main rename Jordan Harband

</details>

***

## Overflow

### From agenda

### Timebox overrun

## Schedule constraints

- Robin Ricard (Records and Tuples) will be only be available in the morning (10:00-12:00) of both days
- Nicolò Ribaudo prefers to discuss Records and Tuples in the first day, and if it's not possible prefers to discuss R&T in the first hour (10:00-11:00) of the second day.
- Frank Yung-Fong Tang is NOT available 10:00 to 12:50 PST on December 15th, 2021 and prefer to present all his topics on Dec 14th if possible.
- Mathias Bynens and Markus Scherer (presenting RegExp set notation update) are only available on December 14th, 2021 between 11:00 and 13:00 PST. Mathias would also prefer to be present for Michael Ficarra’s RegExp+Unicode topic — if possible, please schedule this back-to-back. No worries if not.

### Key

* ⏳ : late addition for stage advancement and schedule prioritization
* 🔒 : agenda item specifically placed to accommodate schedule constraints

## Withdrawn

<style>summary { font-weight: bold; }</style>