Writer - window restore hides window

Build ID: 00(Build:1)
CPU threads: 8; OS: Linux 5.8; UI render: default; VCL: gtk3
Locale: en-US (en_CA.UTF-8); UI: en-US
Ubuntu package version: 1:7.0.3-0ubuntu0.20.10.1
Calc: threaded

The application opens with window maximized.

If I ‘unmaximize’ the window tucks away as a tiny icon under the left edge of the screen.