There were several items on the agenda, this post focuses on feature proposals and their progress from the 96th TC39 meeting [May 16 - May 18 of 2023].

Stage 4:

• Atomics.waitAsync: asynchronous atomic wait.

• RegExp v flag: RegExp v flag with set notation + properties of strings"

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

Stage 3:

• Decorator Metadata: Extend the Decorators proposal by adding the ability for decorators to associate metadata with the value being decorated.

• Float16Array: Float16 on TypedArrays, DataView, Math.f16round

Stage 2:

• Base64 for Uint8Array:ArrayBuffer to/from Base64

• Promise.withResolvers: Creates a Promise with the reject,resolveandpromise functions placed as methods
  on the promise object itself.

• Time Zone Canonicalization: TC39 Proposal (stacked on Temporal) to improve handling of changes to the IANA Time Zone Database.

Stage 1:

• Intl.ZonedDateTimeFormat: Intl Format for Temporal.ZonedDateTime