Green plus button in header that opens a drop down menu with the following options:

* Begin of the deletion Work package
* Opens work package form. The current project is pre-selected.
* Project-scoped, show all active work package types
* Globally, show all work package types visible to the user (active in projects that the user is active in)
* Show the type-specific highlighting/colors
* End of the deletion Project
* When in project context, selects the current project as parent
* Extend the advanced settings Begin of the insertionin project formEnd of the insertion when parent is passed Begin of the insertionso that a users sees under which project the new project will get created.End of the insertion
* Begin of the insertionNameEnd of the insertion Begin of the deletion Do not nameEnd of the deletion option Begin of the insertionin the plus button menu "Project" and notEnd of the insertion "Subproject" Begin of the insertioneven thoughEnd of the insertion Begin of the deletion whenEnd of the deletion in project context Begin of the insertionso that the menu stays easy to read.End of the insertion
* Begin of the insertionInvite userEnd of the insertion Begin of the deletion Add user, if you haveEnd of the deletion
* Begin of the insertiontriggersEnd of the insertion the Begin of the insertioninvite modal.End of the insertion Begin of the deletion global permission to create/invite users OREnd of the deletion
* Begin of the deletion ifEnd of the deletion you Begin of the insertionneed at leastEnd of the insertion Begin of the deletion are in a project AND you haveEnd of the deletion the right to Begin of the insertionmanageEnd of the insertion Begin of the deletion addEnd of the deletion members Begin of the insertionin any project that you are member in.
* you don't need rights to create usersEnd of the insertion or placeholder Begin of the insertionusers.
* Work package
* List work package types
* Project-scoped:
* Show all active work package types ofEnd of the insertion Begin of the deletion users toEnd of the deletion that project Begin of the insertion
* Click opens work package form. The current project is pre-selected. The chosen type, too.
* Globally:
* Show all work package types visible to the user (active in projects that the user is active in)
* Click opens global work package form. The chosen type is selected.
* Show the type-specific highlighting/colorsEnd of the insertion

Affects:

* Header layout. In order to avoid overlapping elements we need to take space away from other header elements. See specification here [https://github.com/opf/openproject/pull/9058](https://github.com/opf/openproject/pull/9058)