Blizzard moved Kalimdor a bit to the east on the map of Azeroth in the Dragonflight pre-patch.

Grayvves noticed that Kalimdor has been moved to the east by comparing the live (Patch 9.2.7) and PTR (Patch 10.0) version of the map. The previous and pre-patch location of Kalimdor can be seen in the image below. The layout change has most likely been made to better accommodate the Dragon Isles.

Source: Reddit