Edit by @Alaska (Alaska)
Bisecting shows rBd9773edaa394 as the cause for the issue.
System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Blender Version
Broken: version: 2.90.0 Alpha, branch: master, commit date: 2020-05-29 18:08, hash: rB2ee94c954d67
Worked: 2.82a
Short description of error
Can't bake texture with multiple objects. I selected multiple objects to bake, but only one object had been baked to the texture.
Exact steps for others to reproduce the error
Just follow a common texture baking workflow.
