diff --git a/api/JoplinCommands.d.ts b/api/JoplinCommands.d.ts
index 3e3452b..babb249 100644
--- a/api/JoplinCommands.d.ts
+++ b/api/JoplinCommands.d.ts
@@ -15,7 +15,7 @@ import { Command } from './types';
  *
  * * [Main screen commands](https://github.com/laurent22/joplin/tree/dev/packages/app-desktop/gui/MainScreen/commands)
  * * [Global commands](https://github.com/laurent22/joplin/tree/dev/packages/app-desktop/commands)
- * * [Editor commands](https://github.com/laurent22/joplin/tree/dev/packages/app-desktop/gui/NoteEditor/commands/editorCommandDeclarations.ts)
+ * * [Editor commands](https://github.com/laurent22/joplin/tree/dev/packages/app-desktop/gui/NoteEditor/editorCommandDeclarations.ts)
  *
  * To view what arguments are supported, you can open any of these files
  * and look at the `execute()` command.
diff --git a/api/JoplinWorkspace.d.ts b/api/JoplinWorkspace.d.ts
index cfaecf0..0a12e26 100644
--- a/api/JoplinWorkspace.d.ts
+++ b/api/JoplinWorkspace.d.ts
@@ -16,8 +16,12 @@ interface ItemChangeEvent {
 interface SyncStartEvent {
     withErrors: boolean;
 }
+interface ResourceChangeEvent {
+    id: string;
+}
 declare type ItemChangeHandler = (event: ItemChangeEvent) => void;
 declare type SyncStartHandler = (event: SyncStartEvent) => void;
+declare type ResourceChangeHandler = (event: ResourceChangeEvent) => void;
 /**
  * The workspace service provides access to all the parts of Joplin that
  * are being worked on - i.e. the currently selected notes or notebooks as
@@ -42,6 +46,11 @@ export default class JoplinWorkspace {
      * Called when the content of the current note changes.
      */
     onNoteChange(handler: ItemChangeHandler): Promise<Disposable>;
+    /**
+     * Called when a resource is changed. Currently this handled will not be
+     * called when a resource is added or deleted.
+     */
+    onResourceChange(handler: ResourceChangeHandler): Promise<void>;
     /**
      * Called when an alarm associated with a to-do is triggered.
      */
diff --git a/api/types.ts b/api/types.ts
index 9effa4e..640d083 100644
--- a/api/types.ts
+++ b/api/types.ts
@@ -297,7 +297,7 @@ export interface MenuItem {
 	/**
 	 * Set to "separator" to create a divider line
 	 */
-	type?: string;
+	type?: ('normal' | 'separator' | 'submenu' | 'checkbox' | 'radio');
 
 	/**
 	 * Accelerator associated with the menu item
@@ -364,6 +364,12 @@ export enum SettingItemType {
 	Button = 6,
 }
 
+export enum SettingItemSubType {
+	FilePathAndArgs = 'file_path_and_args',
+	FilePath = 'file_path', // Not supported on mobile!
+	DirectoryPath = 'directory_path', // Not supported on mobile!
+}
+
 export enum AppType {
 	Desktop = 'desktop',
 	Mobile = 'mobile',
@@ -381,6 +387,12 @@ export interface SettingItem {
 	value: any;
 	type: SettingItemType;
 
+	/**
+	 * Currently only used to display a file or directory selector. Always set
+	 * `type` to `SettingItemType.String` when using this property.
+	 */
+	subType?: SettingItemSubType;
+
 	label: string;
 	description?: string;
 
diff --git a/package.json b/package.json
index a905f94..62f3792 100644
--- a/package.json
+++ b/package.json
@@ -33,5 +33,8 @@
   "dependencies": {
     "date-fns": "^2.28.0",
     "yaml": "^1.10.2"
-  }
-}
+  },
+  "files": [
+    "publish"
+  ]
+}
\ No newline at end of file
diff --git a/webpack.config.js b/webpack.config.js
index 78d2f70..1c2d7e7 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -29,6 +29,7 @@ const userConfig = Object.assign({}, {
 
 const manifestPath = `${srcDir}/manifest.json`;
 const packageJsonPath = `${rootDir}/package.json`;
+const allPossibleCategories = ['appearance', 'developer tools', 'productivity', 'themes', 'integrations', 'viewer', 'search', 'tags', 'editor', 'files', 'personal knowledge management'];
 const manifest = readManifest(manifestPath);
 const pluginArchiveFilePath = path.resolve(publishDir, `${manifest.id}.jpl`);
 const pluginInfoFilePath = path.resolve(publishDir, `${manifest.id}.json`);
@@ -67,10 +68,19 @@ function currentGitInfo() {
 	}
 }
 
+function validateCategories(categories) {
+	if (!categories) return null;
+	if ((categories.length !== new Set(categories).size)) throw new Error('Repeated categories are not allowed');
+	categories.forEach(category => {
+		if (!allPossibleCategories.includes(category)) throw new Error(`${category} is not a valid category. Please make sure that the category name is lowercase. Valid Categories are: \n${allPossibleCategories}\n`);
+	});
+}
+
 function readManifest(manifestPath) {
 	const content = fs.readFileSync(manifestPath, 'utf8');
 	const output = JSON.parse(content);
 	if (!output.id) throw new Error(`Manifest plugin ID is not set in ${manifestPath}`);
+	validateCategories(output.categories);
 	return output;
 }