[Governance Review]: Backstage

### Project Name

Backstage

### Project Website

https://backstage.io

### Contact Details 1

gugvip

### Contact Details 2

freben

### Links to communication channels

https://discord.gg/backstage-687207715902193673

### Reason for governance review request

Other (please specify in the “Additional Notes” input at the end of this form)

### Are there any sub-projects, plugins, and related?

Backstage has a lot of plug-ins

### Governance model

https://github.com/backstage/community/blob/main/GOVERNANCE.md
https://github.com/backstage/backstage/blob/master/OWNERS.md#sponsors

### Governance documents

https://github.com/backstage/community/blob/main/GOVERNANCE.md
https://github.com/backstage/backstage/blob/master/OWNERS.md#sponsors

### Governance Execution Examples

https://github.com/backstage/community/issues/137
https://github.com/backstage/community/issues/143

https://github.com/backstage/community/issues?q=is%3Aissue+is%3Aclosed+label%3Aorg-member-request

### Governance Evolution

N/A

### Any specific aspects of your governance structure are you seeking feedback on?

I think Backstage can benefit from evaluating governance to be improved ensure that maintainer diversity continues to improve. Also simply getting a fresh set of eyes on project governance can be a useful exercise as Backstage moves towards graduation.

### Do you have any concerns or specific areas where you feel your governance could be improved?

Listing explicitly the end user sponsors which I couldn't find: https://github.com/backstage/community/blob/main/GOVERNANCE.md#end-user-sponsors

### Additional notes and resources

_No response_