• Remove C# support (#436).
• Add support for Rust code generation (bug 1677434)
• Report an error if no files are passed (bug 1751730)
• [data-review] Report an error if no metrics match provided bug number (bug 1752576)
• [data-review] Include notification_emails in list of those responsible (bug 1752576)
• Add support for expiring metrics by the provided major version (bug 1753194)