Reproduction steps:
1) Open project I attached and proceed to scene "test".
2) Check out positions of both plane objects in the scene.
3) Multi-select those objects.

Expected behavior: You are able to multi edit x,y,z positions.
Actual result: Even though both objects have same positions "y" axis is locked up in inspector.

Reproduced with: 5.4.0b6 5.3.2p4 5.2.4f1 5.1.4f1