There's nothing in "modern" UI that cannot be done with Lazarus GUI Builder: Dynamic layouts? check, anchors? check, flexbox? check, custom components? check

There's nothing in "modern" UI that cannot be done with Lazarus GUI Builder: Dynamic layouts? check, anchors? check, flexbox? check, custom components? check nested hierarchies of elements? HIDPI? check Vector Graphics? check Multiresolution? check and so on. All of them compiled to native (and looking native) on every platform under the sun. As said before, GUI design peaked in the 90's