From the below, I was fortunate enough to see the following artists perform live in 2023:

Adam Badí Donoval as part of the Warm Winters Ltd. showcase at Cafe Oto, June 2023
Romance (technically) as part of the ECSTATIC showcase at Cafe Oto, January 2023
Clark, Earth, June 2023
Malibu, King's Place, February 2023
Space Afrika, King's Place, January 2023

Other artists I saw perform live in 2023:

Caroline Polachek, Eventim Apollo, Feburary 2023
Mary Lattimore, St John on Bethnal Green, April 2023
Alex G / Oneohtrix Point Never, Wide Awake, May 2023
Proc Fiskal, ICA, June 2023
serpentwithfeet, Southbank Centre, June 2023
Sampha, Hackney Church, June 2023
Food House, The Waiting Room, July 2023
Actress / Fever Ray / Arca / Aphex Twin, Field Day, August 2023
NZCA Lines, The Lower Third, September 2023
Bombay Bicycle Club, Docks Hamburg, November 2023
Björk, Barclays Area Hamburg, November 2023