HTML code not added in new version

More than one thousand sites are using the 3.x version without any problem.

You must provide more information to enable further investigation.

What information do you need?

A repeatable scenario allowing to reproduce the bug on a fresh Drupal 11 instance for example.

<link rel="icon" type="image/png" href="/favicon-96x96.png?v=blJXMRWeAF" sizes="96x96" />
<link rel="icon" type="image/svg+xml" href="/favicon.svg?v=blJXMRWeAF" />
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png?v=blJXMRWeAF" />
<meta name="apple-mobile-web-app-title" content="AsterX" />
<link rel="manifest" href="/site.webmanifest?v=blJXMRWeAF" />

The following files exist:
sites/default/files/favicons/apple-touch-icon.png
sites/default/files/favicons/favicon.svg.gz
sites/default/files/favicons/web-app-manifest-192x192.png
sites/default/files/favicons/favicon-96x96.png
sites/default/files/favicons/site.webmanifest
sites/default/files/favicons/web-app-manifest-512x512.png
sites/default/files/favicons/favicon.svg
sites/default/files/favicons/site.webmanifest.br
sites/default/files/favicons/favicon.svg.br
sites/default/files/favicons/site.webmanifest.gz

https://test.asterx.be/ is running version 3.0.0
https://asterx.be/ is running version 2.0.1

Have you tried removing those ?v=blJXMRWeAF parameters from your icons urls?

They should not be there.

ok, that helped, but is there a reason why a cashbusting parameter is not allowed in version 3.0.0?

Is this a bug or do I need to alter from now on the filenames when I update the favicon files? (I am using Cache-Control "public, max-age=31536000, immutable" HTTP Header in nginx)

The cache busting parameter should be added automatically.

As you can see there: https://www.bordeaux.fr

Is this a Drupal 11 feature as I see no parameter on my test site?

It's a Drupal standard feature that has been added to the 3.x version of the module.

That's a Drupal 11 feature? Maybe a note should be added in the docs for those who do not yet use Drupal 11?

That's not a Drupal 11 feature.

Do not reopen this issue but rather create another issue if you have a specific documentation request to make.