diff --git a/qrenderdoc/Code/CaptureContext.cpp b/qrenderdoc/Code/CaptureContext.cpp
index b9f8b22c4..0149532be 100644
--- a/qrenderdoc/Code/CaptureContext.cpp
+++ b/qrenderdoc/Code/CaptureContext.cpp
@@ -1763,6 +1763,11 @@ void CaptureContext::RefreshUIStatus(const rdcarray<ICaptureViewer *> &exclude,
   }
 }
 
+void CaptureContext::InvokeOntoUIThread(std::function<void()> callback)
+{
+  GUIInvoke::call(GetMainWindow()->Widget(), callback);
+}
+
 void CaptureContext::AddMessages(const rdcarray<DebugMessage> &msgs)
 {
   m_UnreadMessageCount += msgs.count();
diff --git a/qrenderdoc/Code/CaptureContext.h b/qrenderdoc/Code/CaptureContext.h
index 41e4a529e..8424dbe37 100644
--- a/qrenderdoc/Code/CaptureContext.h
+++ b/qrenderdoc/Code/CaptureContext.h
@@ -147,6 +147,8 @@ public:
   //////////////////////////////////////////////////////////////////////////////
   // Accessors
 
+  void InvokeOntoUIThread(std::function<void()> callback) override;
+
   IReplayManager &Replay() override { return m_Replay; }
   IExtensionManager &Extensions() override { return *this; }
   bool IsCaptureLoaded() override { return m_CaptureLoaded; }
diff --git a/qrenderdoc/Code/Interface/QRDInterface.h b/qrenderdoc/Code/Interface/QRDInterface.h
index f536ac27a..b68263098 100644
--- a/qrenderdoc/Code/Interface/QRDInterface.h
+++ b/qrenderdoc/Code/Interface/QRDInterface.h
@@ -2885,6 +2885,21 @@ by calling :meth:`EmbedDependentFiles`.
 )");
   virtual void RemoveDependentFiles() = 0;
 
+  DOCUMENT(R"(Invoke a callback on the UI thread. All widget accesses must come from the UI thread,
+so if work has been done on the render thread then this function can be used to asynchronously and
+safely go back to the UI thread.
+
+This function is safe to call on the UI thread, but it will synchronously call the callback
+immediately before returning.
+
+.. note::
+  No parameters are provided to the callback, it is assumed that the callback will maintain its own
+  context as needed.
+
+:param Callable[[], None] callback: The callback to invoke on the UI thread.
+)");
+  virtual void InvokeOntoUIThread(std::function<void()> callback) = 0;
+
   DOCUMENT(R"(Registers a delayed callback to be called after a certain number of milliseconds
 on the UI thread.
 
diff --git a/qrenderdoc/Code/pyrenderdoc/PythonInvokers.cpp b/qrenderdoc/Code/pyrenderdoc/PythonInvokers.cpp
index 9b4e3a985..3ca1d4f33 100644
--- a/qrenderdoc/Code/pyrenderdoc/PythonInvokers.cpp
+++ b/qrenderdoc/Code/pyrenderdoc/PythonInvokers.cpp
@@ -1340,6 +1340,10 @@ struct CaptureContextInvoker : UIThreadInvoker<ICaptureContext>
   // pass-through functions that don't need the UI thread
   ///////////////////////////////////////////////////////////////////////
   //
+  virtual void InvokeOntoUIThread(std::function<void()> callback) override
+  {
+    return m_Obj.InvokeOntoUIThread(callback);
+  }
   virtual rdcstr TempCaptureFilename(const rdcstr &appname) override
   {
     return m_Obj.TempCaptureFilename(appname);