Updates from the 93rd TC39 meeting

There were several items on the agenda, this post focuses on feature proposals and their progress from the meeting that was held between 29th November to 1st December 2022

Stage 4:

• Intl Enumeration API: Return supported values of options, such as timeZone, calendars, numberingSystems, currencies, units

Stage 3:

• Set Methods: Proposal for new Set methods.

• Explicit Resource Management: Address a common pattern in software development regarding the lifetime and management of various resources (memory, I/O, etc.).

• Iterator Helpers: Methods for working with iterators.

• Well-Formed Unicode Strings: Method to determine if a String is well-formed Unicode.

Stage 2:

• eraDisplay option for Intl.DateTimeFormat: Intl.DateTimeFormat displays era field only if date displayed is in same era as today's.

• Async Explicit Resource Management: This proposal relates to async functionality deferred from the original Explicit Resource Management proposal and shares the same motivation.

• ArrayBuffer.prototype.transfer: This proposal is spun out of the resizable buffer's proposal.

Stage 1:

• Mass Proxy Revocation: Proposal for revoking proxies en masse.

• Intl Era and MonthCode: To specify necessary details about era, eraYear and monthCode usage with Temporal in internationalization setting (for calendars other than "iso8601").

• Intl.MessageResource: This proposal aims to make it easier to localize the web, increasing the openness and accessibility of the web for speakers of all languages.