Update README.md

Author: githubuser0xFFFF

README.md

@@ -25,6 +25,11 @@ of his docking system project.
 - [Docking inside floating windows](#docking-inside-floating-windows)
 - [Grouped dragging](#grouped-dragging)
 - [Perspectives for fast switching of the complete main window layout](#perspectives-for-fast-switching-of-the-complete-main-window-layout)
+- Opaque and non-opaque splitter resizing
+- Opaque and non-opaque undocking
+- Tab-menu for easy handling of many tabbed dock widgets
+- Many different ways to detach dock widgets
+- Supports deletion of dynamically created dock widgets
 
 ### Docking everywhere - no central widget
 There is no central widget like in the Qt docking system. You can dock on every
@@ -63,6 +68,12 @@ main window layout.
 \
 ![Perspective](doc/perspectives_dark.png)
 
+### Opaque and non-opaque splitter resizing
+### Opaque and non-opaque undocking
+### Tab-menu for easy handling of many tabbed dock widgets
+### Many different ways to detach dock widgets
+### Supports deletion of dynamically created dock widgets
+
 ## Tested Compatible Environments
 ### Windows
 Windows 10 [![Build status](https://ci.appveyor.com/api/projects/status/qcfb3cy932jw9mpy/branch/master?svg=true)](https://ci.appveyor.com/project/githubuser0xFFFF/qt-advanced-docking-system/branch/master)