Works/recordings with a specific order appear rather random in the work column of the release relationship editor:
Previously they were ordered alphabetically:
When adding a relationship to a collapsed list it might be added to the collapsed portion and the user won’t see it was actually added unless the existing relationships are expanded.
Try steps at [MBS-11886] Series > Series 'subseries' relationship bug/strange behaviour - MetaBrainz JIRA
Old experience:
New experience: