To update to WoltLab Suite 5.4, the style packages must be updated first:
then the update to WoltLab Suite 5.4 can be performed. After the update you have to update all styles (the latest version is available in the customer area).
After that the package jQuery Lib can be uninstalled, it will not be needed in the future.
The following styles must be updated urgently, otherwise there will be errors in the operation of WoltLab Suite 5.4: