Pulumi has expanded its integration capabilities by adding support for Atlassian Bitbucket, allowing users to sign up for or connect their Atlassian identity with a Pulumi account, joining existing integrations with GitLab and GitHub. This development facilitates users in managing repositories across different version control systems by enabling the import of GitHub Organizations, GitLab Groups, and now Bitbucket Teams into a single Pulumi account, while maintaining the option for separate accounts if preferred. Users can begin using their Atlassian identity by authenticating on the Pulumi platform and can also connect an existing account by adjusting account settings. Bitbucket Teams can organize users into groups with defined permissions for repository access, which can be mirrored in Pulumi for collaborative work. Additionally, the Pulumi CLI supports integration with various CI/CD workflows, and users are encouraged to consult the documentation for guidance or contribute by suggesting additional systems for documentation.