> Unicode Emoji Subcommittee:

> The Unicode Emoji Subcommittee is responsible for the following:

> - Updating, revising, and extending emoji documents such as UTS #51: Unicode Emoji and Unicode Emoji Charts.

> - Taking input from various sources and reviewing requests for new emoji characters.

> - Creating proposals for the Unicode Technical Committee regarding additional emoji characters and new emoji-related mechanisms.

> - Investigating longer-term mechanisms for supporting emoji as images (stickers).

From https://unicode.org/emoji/techindex.html

Edit: Welp, the parent comment was asking what "ESC" stands for, but has now been updated, so this comment is now outdated :)