Small text in a 192x192 icon is often unreadable. Summary Checklist Create a 192x192px PNG icon. Save as icon-192x192.png . Reference it in the manifest.json icons array. Verify the path is correct 0.5.1.
If you are implementing this icon, keep these best practices from Microsoft Edge Documentation Favicon Best Practices on Stack Overflow How to Configure Dapps for Social Platform Previews and SEO icon-192x192.png