Fix to improve security around creation of pull requests in public repos

We've shipped a small fix to improve security around creation of pull requests in public repos.

Prior to this fix and under very specific conditions, a user could create a pull request in a public repo even though they did not have push access to either the base or head branch and were not a member of the repo's organization. Often these pull requests were created by mistake and quickly closed, but could still trigger unexpected GitHub Actions or other CI jobs.

This fix has no impact on the common open source workflow where a user forks a public repo, makes a change in their fork, and then proposes their change using a pull request. This fix also has no impact on pull requests already created.

We want to hear from you! Let us know if you have questions or feedback.

GitHub Enterprise Cloud customers with enterprise managed users (EMU) can now integrate with Ping Federate as a formally supported SSO and SCIM identity provider in public beta. To get started, download the Ping Federate "GitHub EMU Connector 1.0" from the add-ons tab on the download page, under the "SaaS Connectors" heading. Add the connector to your Ping Federate installation and consult the Ping Federate documentation in addition to GitHub's SAML SSO and SCIM documentation for configuration.

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The "GitHub EMU Connector" is maintained and supported by our partner, Ping Identity. Ping additionally maintains their own release notes for this connector.

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Repositories in the user namespace of enterprise-managed users (EMU) can now be seen and accessed by enterprise administrators. All repositories in the user namespace (e.g. https://github.com/mona_tenantName/scratch) can now be navigated to from the Repositories enterprise policies page: https://github.com/enterprises/<enterprise>/settings/member_privileges. From this new view, administrators can temporarily grant themselves administrative rights to these repositories. This action will trigger alerts to the repository owner as well as audit log events.

This public beta feature set is intended to increase visibility of namespace repositories to administrators while also empowering administrators to audit these repositories as needed.

To learn more, check out our documentation about viewing user-owned repositories in your enterprise and accessing user-owned repositories in your enterprise.

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