--- a/docs/changelog	Thu Oct 03 11:12:50 2019 +0200
+++ b/docs/changelog	Fri Nov 01 16:11:27 2019 +0100
@@ -1,5 +1,25 @@
 Change Log
 ----------
+Version 19.11:
+- bug fixes
+- Editor
+  -- extended the spell checking functionality for all text files
+  -- added a context menu to select spell check language
+  -- made the preview refresh timeout configurable
+     (see Editor -> File Handling config page)
+- Error Message Dialog:
+  - added a configurable minimum severity for messages being shown in a dialog
+    (see Application config page)
+- MicroPython
+  -- added support for PyBoard
+- Previewers
+  -- enhanced the Markdown previewer by using the PyMdown extensions, if
+     they are available and have been enabled
+  -- enhanced the Markdown previewer to support MathJax, if it has been
+     enabled
+  -- enhanced the Markdown previewer to support Mermaid via the md_mermaid
+     extension, if it is available and has been enabled
+
 Version 19.10:
 - bug fixes
 - removed runtime support for Python2 and PyQt4