RubyGems Package Registry Beta Program: Feedback & Graduation Criteria
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## Overview
We are promoting the [RubyGems Package Registry](https://docs.gitlab.com/user/packages/rubygems_registry/) from **Experiment** to **Beta** in GitLab **19.1 or 19.2**. This issue serves as the central hub for the Beta program: collecting customer feedback, tracking known limitations, and defining the signal we need before graduating to **GA**.
For the full history and context, see [&3200 - Make the RubyGems Repository Beta](https://gitlab.com/groups/gitlab-org/-/epics/3200).
## What is the RubyGems Package Registry?
The GitLab RubyGems Package Registry allows you to publish and manage Ruby gems directly within your GitLab projects. Key capabilities include:
- **Publish gems** via `gem push` using personal access tokens, deploy tokens, or CI/CD job tokens
- **Download gems** from the Package Registry UI or API
- **CI/CD integration** with native `CI_JOB_TOKEN` support for automated publishing
- **Metadata extraction** for published gems
- **Gem size limit** of up to 3 GB
## How to sign up for the Beta
No formal sign-up is required. To start using the RubyGems Package Registry Beta:
1. **Ensure the feature is enabled**: The RubyGems registry is behind the `rubygem_packages` feature flag. On GitLab.com, this will be enabled for Beta participants. For Self-Managed instances, an administrator must enable the flag.
2. **Authenticate** using one of the supported methods:
- Personal access token (scope: `api`)
- Deploy token (scope: `read_package_registry` and/or `write_package_registry`)
- CI/CD job token
3. **Configure your credentials** in `~/.gem/credentials`:
```ini
---
https://gitlab.example.com/api/v4/projects/<project_id>/packages/rubygems: '<token>'
```
4. **Push a gem**:
```shell
gem push my_gem-0.0.1.gem --host https://gitlab.example.com/api/v4/projects/<project_id>/packages/rubygems
```
Full documentation: https://docs.gitlab.com/user/packages/rubygems_registry/
## How to provide feedback
We want to hear from you! Please comment directly on this issue with:
1. **Your use case**: What are you using the RubyGems registry for? (internal gems, CI/CD publishing, mirroring, etc.)
2. **Environment details**: GitLab.com or Self-Managed? Approximate number of gems and total size?
3. **What's working well**: Features or workflows that meet your expectations
4. **Issues or bugs**: Anything broken or behaving unexpectedly (please also file a separate issue with the `~"Category:Package Registry"` label)
5. **Performance observations**: Upload/download speeds, latency, any timeouts or failures at scale
6. **Missing functionality**: Features you need before you can adopt this in production
7. **Scale testing results**: If you've tested with a large number of gems or large gem sizes, share your findings
For bugs or feature requests, please create a dedicated issue and link it here.
## Known limitations (Beta)
The following are known limitations during the Beta period:
- [x] **~~No `gem install` support~~**: Spec file generation landed in !235239 and the spec index download endpoint is pending merge in !238982. Once merged, `gem install` / Bundler integration will be fully supported. (See [#299267](https://gitlab.com/gitlab-org/gitlab/-/issues/299267))
- [ ] **Feature flag gated**: The feature is behind the `rubygem_packages` feature flag and must be explicitly enabled
- [x] **~~Spec generation~~**: Spec file generation is implemented and merged (!235239). The spec index download endpoint is pending merge in !238982. (See [#299267](https://gitlab.com/gitlab-org/gitlab/-/issues/299267))
- [ ] **Duplicate gem names/versions**: Pushing a gem with the same name and version as an existing one creates a duplicate rather than rejecting or replacing it
- [x] **Database constraint issues**: Some edge cases with metadata may trigger constraint violations (See [#333607](https://gitlab.com/gitlab-org/gitlab/-/issues/333607))
## Graduation criteria: Beta to GA
We will consider the RubyGems Package Registry ready for GA when the following criteria are met:
### Functionality
- [ ] All blocking child issues in [&3200](https://gitlab.com/groups/gitlab-org/-/epics/3200) are resolved
- [ ] `gem install` / Bundler integration is supported or a clear workaround is documented
- [ ] Feature flag is removed and the feature is enabled by default
- [ ] Documentation is complete and reflects the production-ready state
### Performance & Scale
- [ ] Verified performance at scale: publishing and downloading gems performs within acceptable latency thresholds under load
- [ ] No known P1/P2 performance-related bugs
- [ ] Tested with repositories containing 100+ gems of varying sizes
### Quality & Reliability
- [ ] No open S1/S2 bugs related to the RubyGems registry
- [ ] Error rates on GitLab.com are within acceptable thresholds (aligned with Package Registry SLOs)
- [ ] No data integrity issues (metadata, gem files, dependencies)
### Customer Signal
- [ ] At least **5 distinct customers/users** have provided positive feedback on this issue confirming production-readiness
- [ ] No unresolved blocking feedback from Beta participants
- [ ] Usage metrics show sustained adoption (month-over-month growth in unique users publishing/downloading gems)
## Related resources
- [&3200 - Make the RubyGems Repository Beta](https://gitlab.com/groups/gitlab-org/-/epics/3200)
- [RubyGems Package Registry Documentation](https://docs.gitlab.com/user/packages/rubygems_registry/)
- [RubyGems API Documentation](https://docs.gitlab.com/api/packages/rubygems/)
- [Maven Virtual Registry Beta Program](https://gitlab.com/gitlab-org/gitlab/-/issues/498139) (reference for this issue's structure)
- [Product Direction: Package Registry](https://about.gitlab.com/direction/package/)
## Timeline
| Milestone | Target |
|-----------|--------|
| Beta launch | **19.1 or 19.2** |
| Feedback collection period | 2-3 milestones post-Beta |
| GA decision | Based on graduation criteria above |
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