System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: AMD Radeon RX 5700 XT ATI Technologies Inc. 4.5.14802 Core Profile Context 21.12.1 30.0.14011.3017

Blender Version
Broken: version: 3.1.0 Alpha, branch: master, commit date: 2021-12-29 23:51, hash: rB9d3264b4fd04
Worked: 2.93

Exact steps for others to reproduce the error

On any color ramp, try using color picker to select one of the colors, you will notice it doesn't update on viewport on neither eevee or cycles until you move the color on the color ramp