https://github.com/coin3d/coin/pull/404 (he he number 404 not found)
Created attachment 216644 [details]
A commit references this bug:
Date: Wed Jul 22 20:08:21 UTC 2020
New revision: 542891
graphics/Coin: Fix GLX glue trying to use non-GLX display
this is said to make Coin usable on Wayland and the likes
Submitted by: Greg V
Obtained from: https://github.com/coin3d/coin/pull/404
not that I have wayland for testing, but here you are. Thanks for reporting.
I took the liberty of bumping Coin for "functionality change".