@Magyk no more new flags (other than countries) in unicode: https://blog.unicode.org/2022/03/the-past-and-future-of-flag-emoji.html

The Past and Future of Flag Emoji

Emoji Flags are dead, long live Emoji Flags 🏁 🏁 🏁 By Jennifer Daniel, Unicode Emoji Subcommittee Chair With Emoji 16.0 submiss...

For reference:
Rainbow Flag 🏳‍🌈 was added in 2016 (Emoji 4.0)
Transgender Flag 🏳‍⚧ was added in 2020 (Emoji 13.0)

looks like it was declined once in Feb 2020

The proposal is declined, because one or more of the selection factors was not satisfactory. For example, the expected usage was not shown to be sufficiently high. Emoji that have been Declined are not eligible to be re-reviewed for two years.

@strutheo People have been requesting one for a long while! And good to know