Teseo-LIV3 Constellations

[MHast.1]

Hello, the Teseo-LIV3 software manual (UM2229) states:

"GALILEO and BEIDOU support is still experimental and should not be used in production environment."

What is the current status of this? It seems to work OK for me. Does it improve performance to use three constellations instead of two?

Thanks