diff --git a/build.gradle b/build.gradle
index 046ba2a..c7026fa 100644
--- a/build.gradle
+++ b/build.gradle
@@ -43,11 +43,10 @@ tasks {
     }
 
     patchPluginXml {
-        sinceBuild = '203'
+        sinceBuild = '213'
         pluginDescription = """Highlight .bb/.bbappend/.bbclass/.inc files in JetBrains IDEs to make working with
                                BitBake-based projects (like anything based on Yocto Project) easier."""
-        changeNotes = """First marketplace release, now with updated dependencies & without strict maximum version
-                         limitation."""
+        changeNotes = """Fix compatibility with IDEA/PyCharm Ultimate."""
     }
 
     generateLexer {
diff --git a/src/main/java/com/github/vitalibo/intellij/bitbake/BitBakeLanguageInjector.java b/src/main/java/com/github/vitalibo/intellij/bitbake/BitBakeLanguageInjector.java
index fbe2686..07929af 100644
--- a/src/main/java/com/github/vitalibo/intellij/bitbake/BitBakeLanguageInjector.java
+++ b/src/main/java/com/github/vitalibo/intellij/bitbake/BitBakeLanguageInjector.java
@@ -3,9 +3,17 @@
 import com.github.vitalibo.intellij.bitbake.psi.BitBakeNativePythonFunctionImpl;
 import com.github.vitalibo.intellij.bitbake.psi.BitBakePythonFunctionImpl;
 import com.github.vitalibo.intellij.bitbake.psi.impl.BitBakeBbBashFunctionImpl;
+import com.intellij.ide.plugins.PluginManagerConfigurable;
 import com.intellij.lang.Language;
+import com.intellij.notification.Notification;
+import com.intellij.notification.NotificationAction;
+import com.intellij.notification.NotificationType;
 import com.intellij.openapi.fileTypes.FileTypeManager;
+import com.intellij.openapi.fileTypes.FileType;
 import com.intellij.openapi.fileTypes.LanguageFileType;
+import com.intellij.openapi.options.ShowSettingsUtil;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.project.ProjectManager;
 import com.intellij.openapi.util.TextRange;
 import com.intellij.psi.InjectedLanguagePlaces;
 import com.intellij.psi.LanguageInjector;
@@ -17,19 +25,54 @@ public class BitBakeLanguageInjector implements LanguageInjector {
     @Override
     public void getLanguagesToInject(@NotNull PsiLanguageInjectionHost host, @NotNull InjectedLanguagePlaces injectionPlacesRegistrar) {
         if (host instanceof BitBakeBbBashFunctionImpl) {
-            final Language language = ((LanguageFileType) FileTypeManager.getInstance().getFileTypeByExtension("sh")).getLanguage();
+
+            final FileType fileType = FileTypeManager.getInstance().getFileTypeByExtension("sh");
+            if (!(fileType instanceof LanguageFileType)) {
+                showRecommendedPluginNotification(host.getProject());
+                return;
+            }
+            final Language language = ((LanguageFileType) fileType).getLanguage();
             injectionPlacesRegistrar.addPlace(language, new TextRange(0, host.getText().length()), "\n", "\n");
-        }
 
-        if (host instanceof BitBakeNativePythonFunctionImpl) {
+        } else if ((host instanceof BitBakeNativePythonFunctionImpl) || (host instanceof BitBakePythonFunctionImpl)) {
+
+            final FileType fileType = FileTypeManager.getInstance().getFileTypeByExtension("py");
+            if (!(fileType instanceof LanguageFileType)) {
+                showRecommendedPluginNotification(host.getProject());
+                return;
+            }
             final Language language = ((LanguageFileType) FileTypeManager.getInstance().getFileTypeByExtension("py")).getLanguage();
-            injectionPlacesRegistrar.addPlace(language, new TextRange(0, host.getText().length()), "import oe\nimport bb\nimport os\n\n", "\n");
+            if (host instanceof BitBakeNativePythonFunctionImpl) {
+                injectionPlacesRegistrar.addPlace(language, new TextRange(0, host.getText().length()), "import oe\nimport bb\nimport os\n\n", "\n");
+            } else if (host instanceof BitBakePythonFunctionImpl) {
+                String text = host.getText();
+                injectionPlacesRegistrar.addPlace(language, new TextRange(text.indexOf('{') + 2, text.lastIndexOf('}')), "import oe\nimport bb\nimport os\n\ndef name(d):", "\n");
+            }
         }
+    }
 
-        if (host instanceof BitBakePythonFunctionImpl) {
-            final Language language = ((LanguageFileType) FileTypeManager.getInstance().getFileTypeByExtension("py")).getLanguage();
-            String text = host.getText();
-            injectionPlacesRegistrar.addPlace(language, new TextRange(text.indexOf('{') + 2, text.lastIndexOf('}')), "import oe\nimport bb\nimport os\n\ndef name(d):", "\n");
+    private static boolean recommendedPluginNotificationShown = false;
+
+    private static void showRecommendedPluginNotification(Project project) {
+        if (BitBakeLanguageInjector.recommendedPluginNotificationShown) {
+            return;
         }
+        BitBakeLanguageInjector.recommendedPluginNotificationShown = true;
+        final Notification notification = new Notification(
+                "com.github.vitalibo.intellij.bitbake",
+                "Recommended Syntax Highlighters",
+                "It is recommended to install the Python and Shell Script plugins for full syntax highlighting.",
+                NotificationType.INFORMATION
+        );
+        notification.addAction(NotificationAction.createSimple("Visit Marketplace", () -> {
+            ShowSettingsUtil.getInstance().showSettingsDialog(
+                    ProjectManager.getInstance().getDefaultProject(),
+                    PluginManagerConfigurable.class,
+                    c -> c.openMarketplaceTab(
+                            "script /tag:\"Programming Language\" /organization:\"JetBrains s.r.o.\""
+                    )
+            );
+        }));
+        notification.notify(project);
     }
 }
diff --git a/src/main/resources/META-INF/plugin.xml b/src/main/resources/META-INF/plugin.xml
index 241fb59..4434613 100644
--- a/src/main/resources/META-INF/plugin.xml
+++ b/src/main/resources/META-INF/plugin.xml
@@ -8,7 +8,7 @@
 
     <description><![CDATA[ Description will be added by gradle build]]></description>
 
-    <depends>com.intellij.modules.python-core-capable</depends>
+    <depends>com.intellij.modules.lang</depends>
 
     <extensions defaultExtensionNs="com.intellij">
         <fileType