The map is now available for 1.15.1
Available versions: NO STRUCTURES / CREATIVITY (RELEASE #4) in the full features and no features version and all 3 scales 1:1000, 1:2000 and 1:4000.
The only difference to the 1.13 version:
Bees and Beehives
Bamboo spawns in the normal jungle biome and the “jungle edge” biome was changed to “bamboo jungle”