diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 528eac5..b69cb73 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -11,7 +11,7 @@ on: [push]
 
 env:
   QT_VERSION: "6.6.2"
-  QT_CREATOR_VERSION: "16.0.0"
+  QT_CREATOR_VERSION: "17.0.0"
   QT_MIRRORS: download.qt.io;mirrors.ocf.berkeley.edu/qt;ftp.fau.de/qtproject;mirror.bit.edu.cn/qtproject
 
 # The Jobs
diff --git a/SpellChecker.json.in b/SpellChecker.json.in
index a351a37..a029c89 100644
--- a/SpellChecker.json.in
+++ b/SpellChecker.json.in
@@ -1,8 +1,8 @@
 {
     "Id" : "spellchecker",
     "Name" : "SpellChecker",
-    "Version" : "3.9.0",
-    "CompatVersion" : "3.9.0",
+    "Version" : "3.10.0",
+    "CompatVersion" : "3.10.0",
     "VendorId" : "carel_combrink",
     "Vendor" : "Carel Combrink",
     "Copyright" : "(C) 2015 - 2025 Carel Combrink",
diff --git a/src/spellcheckercore.cpp b/src/spellcheckercore.cpp
index 706087b..25132b0 100644
--- a/src/spellcheckercore.cpp
+++ b/src/spellcheckercore.cpp
@@ -797,7 +797,8 @@ void SpellCheckerCore::editorOpened( Core::IEditor* editor )
   if( editor == nullptr ) {
     return;
   }
-  connect( qobject_cast<QPlainTextEdit*>( editor->widget() ), &QPlainTextEdit::cursorPositionChanged, this, &SpellCheckerCore::cursorPositionChanged );
+  TextEditor::TextEditorWidget* tew = qobject_cast<TextEditor::TextEditorWidget*>(editor->widget());
+  connect( tew, &TextEditor::TextEditorWidget::cursorPositionChanged, this, &SpellCheckerCore::cursorPositionChanged );
 }
 // --------------------------------------------------
 
@@ -806,7 +807,8 @@ void SpellCheckerCore::editorAboutToClose( Core::IEditor* editor )
   if( editor == nullptr ) {
     return;
   }
-  disconnect( qobject_cast<QPlainTextEdit*>( editor->widget() ), &QPlainTextEdit::cursorPositionChanged, this, &SpellCheckerCore::cursorPositionChanged );
+  TextEditor::TextEditorWidget* tew = qobject_cast<TextEditor::TextEditorWidget*>(editor->widget());
+  disconnect( tew, &TextEditor::TextEditorWidget::cursorPositionChanged, this, &SpellCheckerCore::cursorPositionChanged );
 }
 // --------------------------------------------------
 
diff --git a/src/spellcheckerplugin.cpp b/src/spellcheckerplugin.cpp
index b862994..6854b07 100644
--- a/src/spellcheckerplugin.cpp
+++ b/src/spellcheckerplugin.cpp
@@ -102,7 +102,7 @@ SpellCheckerPlugin::~SpellCheckerPlugin()
   delete d;
 }
 
-bool SpellCheckerPlugin::initialize( const QStringList& arguments, QString* errorString )
+Utils::Result<> SpellCheckerPlugin::initialize(const QStringList& arguments)
 {
   // Create the core
   // Load settings
@@ -112,7 +112,6 @@ bool SpellCheckerPlugin::initialize( const QStringList& arguments, QString* erro
   // depends on have initialized their members.
 
   Q_UNUSED( arguments )
-  Q_UNUSED( errorString )
 #ifdef DEBUG_INSTALL_MESSAGE_HANDLER
   qInstallMessageHandler( myMessageOutput );
 #endif /* DEBUG_INSTALL_MESSAGE_HANDLER */
@@ -189,7 +188,7 @@ bool SpellCheckerPlugin::initialize( const QStringList& arguments, QString* erro
   /* Quick fix provider */
   d->quickFixFactory = std::make_unique<SpellCheckCppQuickFixFactory>();
 
-  return true;
+  return Utils::ResultOk;
 }
 
 void SpellCheckerPlugin::extensionsInitialized()
diff --git a/src/spellcheckerplugin.h b/src/spellcheckerplugin.h
index b6cee15..0ac83c4 100644
--- a/src/spellcheckerplugin.h
+++ b/src/spellcheckerplugin.h
@@ -47,9 +47,10 @@ class SpellCheckerPlugin
   SpellCheckerPlugin();
   ~SpellCheckerPlugin();
 
-  bool initialize( const QStringList& arguments, QString* errorString );
-  void extensionsInitialized();
-  ShutdownFlag aboutToShutdown();
+  Utils::Result<> initialize(const QStringList& arguments) override;
+  void extensionsInitialized() override;
+  ShutdownFlag aboutToShutdown() override;
+
 private:
   SpellCheckerPluginPrivate* const d;
 };