When hitting a breakpoint in Unreal Engine project on Linux no mouse appear

Problem

After hitting a breakpoint in Unreal Engine project, focus doesn't switch to Rider and the cursor doesn't appear

Cause

This is a known Unreal Engine issue that happens to Linux GNOME users. Cursor is not released by Unreal Engine.

Resolution

Apply workaround mentioned here: EpicGames community forum: Debugging in Rider on Ubuntu Linux (gnome) causes editor or game to freeze on breakpoints, causing no mouse to appear