On 29th of March 2021, Peter Eisentraut committed patch:
Add unistr function This allows decoding a string with Unicode escape sequences. It is similar to Unicode escape strings, but offers some more flexibility. Author: Pavel Stehule <pavel.stehule@gmail.com> Reviewed-by: Asif Rehman <asifr.rehman@gmail.com> Discussion: https://www.postgresql.org/message-id/flat/CAFj8pRA5GnKT+gDVwbVRH2ep451H_myBt+NTz8RkYUARE9+qOQ@mail.gmail.com
Continue reading Waiting for PostgreSQL 14 – Add unistr function