[Bug] Small but horrible bug: The editor has a vertical white line on the right side of the screen.

Small but horrible bug: The editor has a vertical white line on the right side of the screen after every time starting the editor.

Bug report: https://fogbugz.unity3d.com/default.asp?1299998_boquomovaqbnsh8g
Issue tracker: Unity Issue Tracker - White line is displayed at the bottom/right side of the Editor when Display Aspect Ratio is 16:10 or 16:9

The editor has a horrible vertical white line on the right side of the screen after everytime starting the editor. Please see the attach png. Zoom in to the very right side of the image if necassary.

Repro steps:

  1. Open Unity 2020.1.15 by creating an empty project. (Make sure Unity is in Dark Mode).
  2. If the editor window is not maximized, ignore this step: See the white vertical line on the right side of the screen.
  3. Maximize the Unity window.
  4. Restart Unity.
  5. See the white vertical line on the right side of the screen.
  6. Go to step 3 (Repeat this as much as you want).

Added the issue tracker link.