Operating system: Debian 4.18.10-2 and Windows 10
Graphics card: Radeon HD 8670A
Broken: 2.80 and 2.81a
Short description of error
Exact steps for others to reproduce the error
Activated "Mesh: Edit Mesh Tools" add-on.
Entered Edit mode.
Entered edge selection mode.
Selected one edge.
Pressed shortcut combination.
But it does not work in both Windows and Linux.