Added window maximize/restore functionality for properties dialog. Fixes #4064

docs/en_US/release_notes.rst

@@ -11,6 +11,7 @@ notes for it.
 .. toctree::
    :maxdepth: 1
 
+   release_notes_5_4
    release_notes_5_3
    release_notes_5_2
    release_notes_5_1

docs/en_US/release_notes_5_4.rst

@@ -0,0 +1,20 @@
+************
+Version 5.4
+************
+
+Release date: 2021-06-17
+
+This release contains a number of bug fixes and new features since the release of pgAdmin4 5.3.
+
+New features
+************
+
+| `Issue #4064 <https://redmine.postgresql.org/issues/4064>`_ -  Added window maximize/restore functionality for properties dialog.
+
+Housekeeping
+************
+
+
+Bug fixes
+*********
+