With Xubuntu 18.10 and 19.04 the bug is easily reproducible with Greybird and Adwaita.
With xfce-test, which is based on Xubuntu 18.10, I can't reproduce.
(In reply to Theo Linkspfeifer from comment #10)
> The bug is the result of this change:
>
> https://git.xfce.org/xfce/exo/commit/
> ?id=928a41aedd1b64fea3c1adb7991ccb6c2c9f5870
Did you bisect?
In any case it sounds suspect, since Sean reverted the part for preferred height calculation.
With Xubuntu 18.10 and 19.04 the bug is easily reproducible with Greybird and Adwaita.
With xfce-test, which is based on Xubuntu 18.10, I can't reproduce.
(In reply to Theo Linkspfeifer from comment #10) /git.xfce. org/xfce/ exo/commit/ b64fea3c1adb799 1ccb6c2c9f5870
> The bug is the result of this change:
>
> https:/
> ?id=928a41aedd1
Did you bisect?
In any case it sounds suspect, since Sean reverted the part for preferred height calculation.