Not all content has gotten their cache rebuilt. This is required to be able to delete libraries, and to display how many contents that uses the library.
H5P fetches content types directly from the H5P Hub. In order to do this, the H5P plugin will communicate with the Hub once a day to fetch information about new and updated content types. It will send in anonymous data to the Hub about H5P usage. Read more at <a href="%s">the plugin communication page at H5P.org</a>.
You are ready to <a href="%s">start creating</a> interactive content. Check out our <a href="%s" target="_blank">Examples and Downloads</a> page for inspiration.