Update README.md

Author: facontidavide

README.md

@@ -7,3 +7,17 @@ and (in the future) tutorials and learning material.
 
 You can use submit issues here: https://github.com/BehaviorTree/Groot2/issues
 
+## Changelog
+
+### 1.1.0 (2023-07-23)
+- [Visualization]: improved layout for Pre/Post Conditions boxes.
+- [Editor]: Adding the ability to save XML files using the same syntax used by Groot1 (disabled by default in Preferences).
+- [Editor]: Added `ParallelAll` and `ScriptCondition` to the built-in nodes.
+- [Editor]: allow files that only contain **include** tags, but not **BehaviorTree** to be loaded.
+- [Monitor]: Breakpoints can now be saved/loaded from file.
+- [Monitor]: Add compatibility with the Groo2Publisher in BT.CPP 3.8+. 
+- [LogReplay/Monitor]: Log parsing will now use plugins. Users will be soon able to create their own plugins to save/load logs.
+- [LogReplay]: the range of the log can be changed; in other words, you can zoom on a particular section of the timeline.
+- [Licensing]: append license key to offline activation file.
+
+