As of version 7.0.1, favicons need to be provided in a ZIP file. Here's what needs to be provided:

1. favicon.ico

• Purpose: The classic favicon format, used by older browsers and sometimes for backwards compatibility.
• Size:
  • A multi-resolution ICO file that includes 16x16, 32x32, and 48x48 pixels.
• Format: ICO

2. favicon-16x16.png

• Purpose: Used by some browsers for small icons in tabs and bookmarks.
• Size: 16x16 pixels
• Format: PNG

3. favicon-32x32.png

• Purpose: Used for icons in some browsers, particularly in the address bar.
• Size: 32x32 pixels
• Format: PNG

4. favicon-48x48.png

• Purpose: Less commonly used, but some platforms may prefer this size.
• Size: 48x48 pixels
• Format: PNG

5. favicon-64x64.png

• Purpose: Sometimes used for larger icons or in high-DPI displays.
• Size: 64x64 pixels
• Format: PNG

6. favicon-192x192.png

• Purpose: Android home screen icon.
• Size: 192x192 pixels
• Format: PNG

7. favicon-512x512.png

• Purpose: Used for large icons, particularly in Android devices and progressive web apps (PWAs).
• Size: 512x512 pixels
• Format: PNG

8. favicon.svg

• Purpose: Scalable vector icon, increasingly supported by modern browsers.
• Size: Scalable (no specific size)
• Format: SVG

Summary

• ICO: Use for legacy support (include 16x16, 32x32, 48x48).
• PNG: Provide multiple sizes (16x16, 32x32, 48x48, 64x64, 192x192, 512x512).
• SVG: Consider adding for scalable support.

Providing all listed files ensures comprehensive coverage across different platforms and devices.