Atlassian 'Default Reviewers' plugin overwrites reviewers if not configured

Summary

Bitbucket Server 4.8 'Default Reviewers' plugin collides with third-party plugins by overwriting the reviews if the Atlassian Default Reviewers are not configured in the standard plugin.

How to Replicate

Pre 4.8

• Plugin that runs rest call to suggest reviewers, adds them to the reviewers list.
• Generate Pull Request and create.

Post 4.8

• Plugin that runs rest call to suggest reviewers, adds them to the reviewers list.
• New standard Bitbucket Server plugin for default reviewers
• Generate Pull Request and create.

Workaround

The Atlassian Bitbucket Default Reviewers Plugin can be disabled to eliminate the overwriting of reviewers on Pull Requests.