If you would like to just report bug and get it fixed in the next release or get feedback from our staff (if it is not a bug), then it is better to report it in Mantis. But notice that we do not review/fix Mantis bugs once you report them, but usually before new releases/builds.
If you would like to ...

You can insert and delete groups of components into libraries. Right click in the place where you would like to insert group of components from another library and Insert, then select components in the list (use Ctrl and Shift for multiple select) and insert them.

I would recommend to sort ...

Component libraries and projects for hoobyists from Umair Ali - this library which I am attaching here with some of the symbols in this library are made by me'and otherwise I have taken from the diptrace 2.1V standard library's I have manage theese symbols in a groups series so that any one who ...