Edit: the issues weren't shown on the board because the workflows from the team-managed board had to be updated in the receiving board's settings.
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We're using labels to tag issues so we can see them on the boards of other projects as well.
For issues from one project this doesn't seem to work, the labels can be attached but the issues don't show up on other boards. It's a team-based project and the permissions are set to 'limited'. The documentation doesn't list limitations to the functionality of labels for either of those, but they're the only related configurations that I can think of right now.
The boards where we try to view those labelled tickets are company-managed, and they've worked for issues from all company-managed projects so far. Edit: the labelled issues do show up on the board of one company-managed project, but not others.
What could be the problem here?