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Searching using the details you provided, I didn't find any add-on that allows integrating Roadmap with Google calendar, so I'm afraid to say that there is no option to connect both at this time.
Currently, there are no feature requests suggesting this integration, so please, feel free to create a feature request on jira.atlassian.com (project JSWCLOUD) adding more details about why this feature is important for your environment.
Jira is a powerful tool that helps teams to plan, manage, and report on their work. We love using Jira, especially for its ability to track issue progress. But how to monitor the...
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