This blog has existed since 2005, so there are a lot of posts here, and many of them have drifted into obsolescence. To help you find the things that might be most relevant, here are links to a few places to get started with topics that are currently interesting to me.

Metrics and CHAOSS

These are covered on a special page devoted to metrics.

Relicensing, Forks, Rug Pulls, and Changing Power Dynamics in Open Source

• New Power Dynamics in Open Source: Rug Pulls, Relicensing, and Forks

Improving Open Source Sustainability

• From Data to Action: Building Healthy and Sustainable Open Source Projects
• Contributor Sustainability Impacts Risk and Adoption of OSS Projects
• The Impact of Funding for Sustainable Open Source Projects
• From First PR To Lifelong Impact: Helping People Thrive in Open Source