diff --git a/assemblies/static/src/main/resources/README.txt b/assemblies/static/src/main/resources/README.txt
index 221bcf905b3..9dd0e9ebe9e 100644
--- a/assemblies/static/src/main/resources/README.txt
+++ b/assemblies/static/src/main/resources/README.txt
@@ -20,7 +20,7 @@ When you have a question you can use our mailing list (http://hop.apache.org/com
 
 
 Installation Instruction:
-    - Have a recent Java 8 Runtime
+    - Have a recent Java 17 Runtime
     
 Windows:
     - To start the GUI run hop-gui.bat
diff --git a/ui/src/main/java/org/apache/hop/ui/hopgui/file/pipeline/HopPipelineFileType.java b/ui/src/main/java/org/apache/hop/ui/hopgui/file/pipeline/HopPipelineFileType.java
index c794791cee0..5d5fd473ba0 100644
--- a/ui/src/main/java/org/apache/hop/ui/hopgui/file/pipeline/HopPipelineFileType.java
+++ b/ui/src/main/java/org/apache/hop/ui/hopgui/file/pipeline/HopPipelineFileType.java
@@ -27,6 +27,7 @@
 import org.apache.hop.core.file.IHasFilename;
 import org.apache.hop.core.gui.plugin.action.GuiAction;
 import org.apache.hop.core.gui.plugin.action.GuiActionType;
+import org.apache.hop.core.logging.LogChannel;
 import org.apache.hop.core.variables.IVariables;
 import org.apache.hop.core.xml.XmlHandler;
 import org.apache.hop.history.AuditManager;
@@ -35,8 +36,10 @@
 import org.apache.hop.ui.core.dialog.ErrorDialog;
 import org.apache.hop.ui.core.gui.HopNamespace;
 import org.apache.hop.ui.hopgui.HopGui;
+import org.apache.hop.ui.hopgui.HopGuiExtensionPoint;
 import org.apache.hop.ui.hopgui.context.GuiContextHandler;
 import org.apache.hop.ui.hopgui.context.IGuiContextHandler;
+import org.apache.hop.ui.hopgui.delegates.HopGuiFileOpenedExtension;
 import org.apache.hop.ui.hopgui.file.HopFileTypeBase;
 import org.apache.hop.ui.hopgui.file.HopFileTypePlugin;
 import org.apache.hop.ui.hopgui.file.IHopFileType;
@@ -112,14 +115,21 @@ public Properties getCapabilities() {
   }
 
   @Override
-  public IHopFileTypeHandler openFile(
-      HopGui hopGui, String filename, IVariables parentVariableSpace) throws HopException {
+  public IHopFileTypeHandler openFile(HopGui hopGui, String filename, IVariables variables)
+      throws HopException {
     try {
       // This file is opened in the data orchestration perspective
       //
       HopDataOrchestrationPerspective perspective = HopGui.getDataOrchestrationPerspective();
       perspective.activate();
 
+      // Normalize the filename into a relative path...
+      //
+      HopGuiFileOpenedExtension ext = new HopGuiFileOpenedExtension(null, variables, filename);
+      ExtensionPointHandler.callExtensionPoint(
+          LogChannel.UI, variables, HopGuiExtensionPoint.HopGuiFileOpenedDialog.id, ext);
+      filename = variables.resolve(ext.filename);
+
       // See if the same pipeline isn't already open.
       // Other file types we might allow to open more than once but not pipelines for now.
       //
@@ -136,7 +146,7 @@ public IHopFileTypeHandler openFile(
       // Load the pipeline
       //
       PipelineMeta pipelineMeta =
-          new PipelineMeta(filename, hopGui.getMetadataProvider(), parentVariableSpace);
+          new PipelineMeta(filename, hopGui.getMetadataProvider(), variables);
 
       // Pass the MetaStore for reference lookups
       //
@@ -153,10 +163,7 @@ public IHopFileTypeHandler openFile(
       // Inform those that want to know about it that we loaded a pipeline
       //
       ExtensionPointHandler.callExtensionPoint(
-          hopGui.getLog(),
-          parentVariableSpace,
-          HopExtensionPoint.PipelineAfterOpen.id,
-          pipelineMeta);
+          hopGui.getLog(), variables, HopExtensionPoint.PipelineAfterOpen.id, pipelineMeta);
 
       return typeHandler;
     } catch (Exception e) {
diff --git a/ui/src/main/java/org/apache/hop/ui/hopgui/file/workflow/HopWorkflowFileType.java b/ui/src/main/java/org/apache/hop/ui/hopgui/file/workflow/HopWorkflowFileType.java
index 0f3cef9f1ab..42bf75037a3 100644
--- a/ui/src/main/java/org/apache/hop/ui/hopgui/file/workflow/HopWorkflowFileType.java
+++ b/ui/src/main/java/org/apache/hop/ui/hopgui/file/workflow/HopWorkflowFileType.java
@@ -26,6 +26,7 @@
 import org.apache.hop.core.file.IHasFilename;
 import org.apache.hop.core.gui.plugin.action.GuiAction;
 import org.apache.hop.core.gui.plugin.action.GuiActionType;
+import org.apache.hop.core.logging.LogChannel;
 import org.apache.hop.core.variables.IVariables;
 import org.apache.hop.core.xml.XmlHandler;
 import org.apache.hop.history.AuditManager;
@@ -33,8 +34,10 @@
 import org.apache.hop.ui.core.dialog.ErrorDialog;
 import org.apache.hop.ui.core.gui.HopNamespace;
 import org.apache.hop.ui.hopgui.HopGui;
+import org.apache.hop.ui.hopgui.HopGuiExtensionPoint;
 import org.apache.hop.ui.hopgui.context.GuiContextHandler;
 import org.apache.hop.ui.hopgui.context.IGuiContextHandler;
+import org.apache.hop.ui.hopgui.delegates.HopGuiFileOpenedExtension;
 import org.apache.hop.ui.hopgui.file.HopFileTypeBase;
 import org.apache.hop.ui.hopgui.file.HopFileTypePlugin;
 import org.apache.hop.ui.hopgui.file.IHopFileType;
@@ -114,14 +117,21 @@ public Properties getCapabilities() {
   }
 
   @Override
-  public IHopFileTypeHandler openFile(
-      HopGui hopGui, String filename, IVariables parentVariableSpace) throws HopException {
+  public IHopFileTypeHandler openFile(HopGui hopGui, String filename, IVariables variables)
+      throws HopException {
     try {
       // This file is opened in the data orchestration perspective
       //
       HopDataOrchestrationPerspective perspective = HopGui.getDataOrchestrationPerspective();
       perspective.activate();
 
+      // Normalize the filename into a relative path...
+      //
+      HopGuiFileOpenedExtension ext = new HopGuiFileOpenedExtension(null, variables, filename);
+      ExtensionPointHandler.callExtensionPoint(
+          LogChannel.UI, variables, HopGuiExtensionPoint.HopGuiFileOpenedDialog.id, ext);
+      filename = variables.resolve(ext.filename);
+
       // See if the same workflow isn't already open.
       // Other file types we might allow to open more than once but not workflows for now.
       //
@@ -138,7 +148,7 @@ public IHopFileTypeHandler openFile(
       // Load the workflow from file
       //
       WorkflowMeta workflowMeta =
-          new WorkflowMeta(parentVariableSpace, filename, hopGui.getMetadataProvider());
+          new WorkflowMeta(variables, filename, hopGui.getMetadataProvider());
 
       // Pass the MetaStore for reference lookups
       //
@@ -151,7 +161,7 @@ public IHopFileTypeHandler openFile(
       // Inform those that want to know about it that we loaded a pipeline
       //
       ExtensionPointHandler.callExtensionPoint(
-          hopGui.getLog(), parentVariableSpace, "WorkflowAfterOpen", workflowMeta);
+          hopGui.getLog(), variables, "WorkflowAfterOpen", workflowMeta);
 
       // Show it in the perspective
       //