1. GitLab takes an open core approach to product development, allowing the community to contribute to both open source and proprietary code. This dual flywheel model has helped GitLab release a new product version every month while merging over 300 community contributions per month.
2. GitLab fosters community engagement and trust by being transparent about business practices and product direction, having a buyer-based open core model that balances revenue and community needs, and investing in community growth programs.
3. GitLab measures the success of its community approach through metrics like community contributor counts and merge requests from customers, demonstrating the return on investment in its open source community.