This files describes API changes in core libraries and APIs, information provided here is intended especially for developers. === 3.10.4 === * The third-party library h5p/h5plib/v124/core has been updated to version 1.24.2. === 3.10 === * Added a new cache for h5p_library_files (MDL-69207) === 3.9 === * A new plugintype has been created, h5plib, for having installed more than one H5P library version. * H5P third-party libraries have been moved from /lib/h5p to h5p/h5plib/v124, as an h5plib plugintype. * H5P Editor PHP library added to h5plib v124 plugin.