System Information
Operating system: Linux-5.4.0-42-generic-x86_64-with-debian-bullseye-sid 64 Bits
Graphics card: Quadro GP100/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 440.100

Blender Version
Broken: version: 2.91.0 Alpha, branch: master, commit date: 2020-09-01 07:02, hash: rBc78c4252669a
Worked: 2.91.0 Alpha, branch: master, commit date: 2020-08-28 09:08, hash: 346023b457d3
Caused by rB8527d84d3588: GPUState: Move Scissor and Viewport state to framebuffer

Short description of error
When playblasting an animation from the viewport, the top of the image gets cropped off.

Exact steps for others to reproduce the error

• In the startup file use the operator "Viewport Render Animation" in the header under View
• Compare the outcome with the camera view in the viewport
• Notice the cropped top via the ground floor grid