AbstractUserProfileAction not working in Confluence >=8.8.0

Hi there,

We implemented a profile tab that uses the profile layout and extends AbstractUserProfileAction.

From 8.8.0 and on, the site is not found anymore. If i make it extending ConfluenceActionSupport it works, but of course the layout is destroyed, because all the important things from AbstractUserProfileAction are missing. What is wrong there?

At the moment I use -Dconfluence.osgi.treatDeprecatedPackagesAsPublic=true to make everything work, without changes on the dependencies.

Any clue what is the problem with that?