I'd like to prepare a new symbols gallery where the user can change all the settings of an symbol within LibreOffice.
+1 since the old gallery is removed in bug 131796
andreas kainz committed a patch related to this issue.
It has been pushed to "master":
tdf#131795 Add new Shapes/Symbols Gallery
It will be available in 7.0.0.
The patch should be included in the daily builds available at
https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More
information about daily builds can be found at:
Affected users are encouraged to test the fix and report feedback.