diff --git a/src/actions/workspaceActions.js b/src/actions/workspaceActions.js
index da44286..b066687 100644
--- a/src/actions/workspaceActions.js
+++ b/src/actions/workspaceActions.js
@@ -16,7 +16,7 @@ export const onChangeCode = () => (dispatch, getState) => {
   code.arduino = Blockly.Arduino.workspaceToCode(workspace);
   var xmlDom = Blockly.Xml.workspaceToDom(workspace);
   code.xml = Blockly.Xml.domToPrettyText(xmlDom);
-  var selectedBlock = Blockly.selected
+  var selectedBlock = Blockly.getSelected
   if (selectedBlock !== null) {
     code.helpurl = selectedBlock.helpUrl
     code.tooltip = selectedBlock.tooltip
diff --git a/src/components/Blockly/BlocklyWindow.js b/src/components/Blockly/BlocklyWindow.js
index ffdb8f8..6db7e64 100644
--- a/src/components/Blockly/BlocklyWindow.js
+++ b/src/components/Blockly/BlocklyWindow.js
@@ -43,8 +43,9 @@ class BlocklyWindow extends Component {
 
   componentDidUpdate(props) {
     const workspace = Blockly.getMainWorkspace();
-    var xml = localStorage.getItem("autoSaveXML");
+    var xml = this.props.initialXml;
     if (props.selectedBoard !== this.props.selectedBoard) {
+      var xml = localStorage.getItem("autoSaveXML");
       // change board
       if(!xml) xml = initialXml;
       var xmlDom = Blockly.Xml.textToDom(xml);
@@ -62,6 +63,7 @@ class BlocklyWindow extends Component {
     }
     if (props.language !== this.props.language) {
       // change language
+      var xml = localStorage.getItem("autoSaveXML");
       if (!xml) xml = initialXml;
        xmlDom = Blockly.Xml.textToDom(xml);
       Blockly.Xml.clearWorkspaceAndLoadFromXml(xmlDom, workspace);
diff --git a/src/components/Navbar.js b/src/components/Navbar.js
index 954af1b..b18e3f9 100644
--- a/src/components/Navbar.js
+++ b/src/components/Navbar.js
@@ -146,7 +146,7 @@ class Navbar extends Component {
                   this.props.selectedBoard === "mcu" ?
                     (
                       <button
-                        style={{ display: "flex", cursor: "pointer", alignItems: "center", alignContent: "center", paddingInline: "11px 7px", background: "transparent", color: "inherit", fontWeight: "bold", border: "2px solid white", borderRadius: "25px" }}
+                        style={{ display: "flex", marginRight:"1rem", cursor: "pointer", alignItems: "center", alignContent: "center", paddingInline: "11px 7px", background: "transparent", color: "inherit", fontWeight: "bold", border: "2px solid white", borderRadius: "25px" }}
                         ref={this.mcuRef}
                         onClick={() => {
                           this.setState({ anchorElBoard: this.mcuRef.current })
diff --git a/src/components/Project/ProjectHome.js b/src/components/Project/ProjectHome.js
index 7ce3538..162dfda 100644
--- a/src/components/Project/ProjectHome.js
+++ b/src/components/Project/ProjectHome.js
@@ -140,7 +140,7 @@ class ProjectHome extends Component {
                             svg
                             blockDisabled
                             initialXml={project.xml}
-                          />
+                          /> 
                           <Typography
                             variant="body2"
                             style={{