Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: AMD Radeon (TM) R5 M335 ATI Technologies Inc. 4.5.13586 Core Profile Context 19.12.2 26.20.15002.61
Broken: version: 2.90.0, branch: master, commit date: 2020-08-31 11:26, hash: rB0330d1af29c0
Worked: (newest version of Blender that worked as expected)
Short description of error
During sculpting if the right side panel is expanded (contains Item, tool and view), the mouse gets stuck if moved from left to right just below the panel. The mouse will gets stuck from the as soon as it passes the boundary of the panel.
Exact steps for others to reproduce the error
Go to sculpt mode and expand the panel. Now move mouse from left to right just below the panel. The mouse will get stuck.
If you resize the panel, the mouse will stuck when the boundary is reached.