Font Dialogue box, very slow to open, cannot scroll

[robgrune]

Version: 7.3.1.3 / LibreOffice Community
Build ID: 30(Build:3)
CPU threads: 6; OS: Linux 5.13; UI render: default; VCL: gtk3
Locale: en-GB (en_GB.UTF-8); UI: en-GB
Ubuntu package version: 1:7.3.1~rc3-0ubuntu0.21.10.1~lo2
Calc: CL
graphic card: nvidia gtx1050
windowing system: X11

Any reason why the font dialogue box opens after 30 seconds, and cannot scroll through the list of fonts?

[Hrbrgr]

Try any from this First steps.

If there is no success, please write a bug report. Thank you.
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