Sony adds multipoint LDAC support for the WH-1000XM5 headphones
Firmware Update to Version 2.0.2 | Sony Middle East
https://www.sony-mea.com/en/electronics/support/wireless-headphones-bluetooth-headphones/wh-1000xm5/software/00278245
If you were holding out on buying the WH-1000XM5 because it lacked multipoint LDAC support, well now may be a good time to get one.