Create a Cube object with the Add Cube button. After creation, change the Size attribute in the pop-up modal.
Create another Cube with the button. The new Cube scales immediately after creation in proportion to the Size attribute. The size attribute should be reset to the default value upon clicking the Add Cube button.
Workaround: Setting the Size field to 78.74 inches (imperial, 2.0 meters metric) appears to return the desired behavior.
Note, the Size attribute is somewhat vague and unintuitive here, particularly for this tool which is not strictly cubic shapes. There should be a field for Length, Width, and Height instead linked to the Transform values. Please consider the tool name "Add Box" instead.
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce 940MX/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 441.45
Broken: version: 2.90.0 Alpha, branch: master, commit date: 2020-06-12 17:01, hash: rBfd8d245e6a80
Worked: (newest version of Blender that worked as expected)
Short description of error
[Please fill out a short description of the error here]
Exact steps for others to reproduce the error
[Please describe the exact steps needed to reproduce the issue]
[Based on the default startup or an attached .blend file (as simple as possible)]