This forum exists for this.
Here on graph below https://armbian.atlassian.net/jira/dashboards/10103 you can see how long it takes before tickets are closed when developers are sponsoring you at close to 100% and not the other way around.
Biggest challenge and personal time loss is organising and coordinating activities (what you are expecting can easily be a full time job for several people) so we are rather relying on automated testings. Its significantly cheaper, more reliable and can be executed at any moment. We know for most of the issues, but since day has only 24 and not 2400 hours, this is best what can be done. What you would do? Project needs more help in other non technical tasks.