SergeyShadrin → created an issue.
Hello, i've created MR to allow use libraries locally, you can download in patch form by clicking on "plain diff" link.
To use it go to /admin/config/system/ckeditor5-plugin-pack and setup the path with the mask to you libraries folder in format: /libraries/ckeditor_plugins/PLUGIN_NAME/VERSION_TOKEN/dll and place your plugin files in libraries folder, then example directory for font plugin: /libraries/ckeditor_plugins/font/41.3.1/dll/font.js and translations folder(not required) /libraries/ckeditor_plugins/font/41.3.1/translations/
SergeyShadrin → made their first commit to this issue’s fork.
Patch from #4 works fine for me