Yellow plum Id request

Anyone have any idea what this could be?

Flavor: Nice syrupy flavor…like honey but not too sweet. Juicy.
Origin: likely from the okanagan in canada.
Color: Need to wait til cor is deep yellow and soft for full ripeness.
Weight: 45g
Diameter: approx 1.75-1.9"
Brix: forgot to measure but If i were to estimate the brix, I’d say 17 or above.