clipper example in app dtkVisualizationViewer
This merge request does 2 things :
- instantiate a DecoratorClipper in the Viewer app
- save and restore the setting "which clipper is chosen"
GitLab upgrade completed. Current version is 18.6.4
https://about.gitlab.com/releases/2025/11/20/gitlab-18-6-released/
This merge request does 2 things :