doc: update changelog.

doc/changelog.dox

@@ -62,9 +62,10 @@ See also:
     typedefs for half-float angles and ranges
 -   New @ref Range1Dui, @ref Range2Dui and @ref Range3Dui typedefs for unsigned
     integer ranges
--   Added pretty-printers for GDB. See @ref debuggers,
-    [mosra/magnum#589](https://github.com/mosra/magnum/pull/589) and
-    [mosra/magnum#595](https://github.com/mosra/magnum/pull/595) for more
+-   Added MSVC Natvis files and pretty-printers for GDB. See @ref debuggers,
+    [mosra/magnum#589](https://github.com/mosra/magnum/pull/589),
+    [mosra/magnum#595](https://github.com/mosra/magnum/pull/595) and
+    [mosra/magnum#620](https://github.com/mosra/magnum/pull/620) for more
     information.
 
 @subsubsection changelog-latest-new-debugtools DebugTools library