JDK 11 is required for Broadleaf release trains 1.7.0-GA, and beyond.
JDK 17 is supported for Broadleaf release trains 1.8.1-GA, and beyond.
* Disabled ability to type in the import header selector field so that new, invalid headers are not added, which would cause errors.
Headers are defined in a specification and should not be changed in the Admin UI.
