--- a/docs/changelog.md	Tue Jan 24 11:54:40 2023 +0100
+++ b/docs/changelog.md	Tue Jan 24 11:55:01 2023 +0100
@@ -1,5 +1,10 @@
 # Change Log
 
+### Version 23.3
+- bug fixes
+- PDF Viewer
+    - added a tool based on `QtPdf` and `QtPdfWidgets` to show the contents of PDF files
+
 ### Version 23.2
 - bug fixes
 - Human Machine Interfaces