diff --git a/usr/lib/python3/dist-packages/webengine/gtk3/_env.py b/usr/lib/python3/dist-packages/webengine/gtk3/_env.py
new file mode 100644
index 0000000..c26a99e
--- /dev/null
+++ b/usr/lib/python3/dist-packages/webengine/gtk3/_env.py
@@ -0,0 +1,13 @@
+#!/usr/bin/env python3
+
+
+import os
+
+home_dir = os.getenv('HOME')
+
+env = {
+  "HOME_DIR": home_dir,
+  "CONFIG_DIR": os.path.join(home_dir, '.config'),
+  "CACHE_DIR": os.path.join(home_dir, '.cache'),
+  "LANG": os.environ['LANG'] or "en_US.UTF-8"
+}
diff --git a/usr/lib/python3/dist-packages/webengine/gtk3/_inject.py b/usr/lib/python3/dist-packages/webengine/gtk3/_inject.py
index 3033595..f6eee37 100644
--- a/usr/lib/python3/dist-packages/webengine/gtk3/_inject.py
+++ b/usr/lib/python3/dist-packages/webengine/gtk3/_inject.py
@@ -18,10 +18,13 @@ class Inject:
     code = open(self.abspath('./inject.js'), 'r').read()
     frame  = WebKit2.UserContentInjectedFrames.ALL_FRAMES
     time   = WebKit2.UserScriptInjectionTime.END
+    lang, charset = env['LANG'].split('.')
+
     code = code.replace("'{{env}}'", json.dumps(env))
     code = code.replace("{{uuid}}", webview.uuid)
     code = code.replace("{{app_name}}", webview.app_name)
     code = code.replace("{{app_version}}", webview.app_version)
+    code = code.replace("{{lang}}", lang)
 
     script = WebKit2.UserScript(code, frame, time, None, None)
 
diff --git a/usr/lib/python3/dist-packages/webengine/gtk3/_utils.py b/usr/lib/python3/dist-packages/webengine/gtk3/_utils.py
index f0fb3d5..3a4745a 100644
--- a/usr/lib/python3/dist-packages/webengine/gtk3/_utils.py
+++ b/usr/lib/python3/dist-packages/webengine/gtk3/_utils.py
@@ -7,6 +7,9 @@ import gi
 gi.require_version('Gtk', '3.0')
 from gi.repository import GdkPixbuf
 
+def noop():
+  pass
+
 def get_monitor_info(monitor):
   return {
     "model": monitor.props.model, 
diff --git a/usr/lib/python3/dist-packages/webengine/gtk3/_version.py b/usr/lib/python3/dist-packages/webengine/gtk3/_version.py
index 6bb16ca..23b88b2 100644
--- a/usr/lib/python3/dist-packages/webengine/gtk3/_version.py
+++ b/usr/lib/python3/dist-packages/webengine/gtk3/_version.py
@@ -1,4 +1,4 @@
 #!/usr/bin/env python3
 
-build = (0, 6, 0)
+build = (0, 6, 1)
 version = '.'.join(map(str, build))
\ No newline at end of file
diff --git a/usr/lib/python3/dist-packages/webengine/gtk3/_webengine.py b/usr/lib/python3/dist-packages/webengine/gtk3/_webengine.py
index 74835f1..832b965 100644
--- a/usr/lib/python3/dist-packages/webengine/gtk3/_webengine.py
+++ b/usr/lib/python3/dist-packages/webengine/gtk3/_webengine.py
@@ -31,24 +31,13 @@ try:
 except:
   Keybinder = None
 
+from ._env import env
 from ._version import version
 from ._settings import create_setting
 from ._protocal import create_protocal
 from ._notify import create_notify
 from ._inject import Inject
-from ._utils import get_monitor_info, pixbuf_to_dict, dict_to_pixbuf
-
-
-
-env = {
-  "HOME_DIR": os.getenv('HOME'),
-  "CONFIG_DIR": os.path.join(os.getenv('HOME'), '.config'),
-  "CACHE_DIR": os.path.join(os.getenv('HOME'), '.cache')
-}
-
-
-def noop():
-  pass
+from ._utils import noop, get_monitor_info, pixbuf_to_dict, dict_to_pixbuf
 
 
 
@@ -370,6 +359,9 @@ class WebEngine(WebKit2.WebView):
       case 'isdir':
         output = os.path.isdir(filepath)
 
+      case 'mkdir':
+        output = os.makedirs(filepath)
+
     return (_error, output)
 
 
diff --git a/usr/lib/python3/dist-packages/webengine/gtk3/inject.js b/usr/lib/python3/dist-packages/webengine/gtk3/inject.js
index d243f66..df37359 100644
--- a/usr/lib/python3/dist-packages/webengine/gtk3/inject.js
+++ b/usr/lib/python3/dist-packages/webengine/gtk3/inject.js
@@ -103,6 +103,15 @@ function _postMessage(data = {}, uuid = null) {
   window.dispatchEvent(ev)
 }
 
+function readonly(obj, key, value) {
+  Object.defineProperty(obj, key, {
+    get() {
+      return value
+    },
+    enumerable: false
+  })
+}
+
 class NativeImage {
   #origin
 
@@ -203,6 +212,9 @@ class EventEmitter {
   }
 }
 
+readonly(navigator, 'language', '{{lang}}')
+readonly(navigator, 'languages', ['{{lang}}'])
+
 window.native = new EventEmitter()
 
 native.$on('opener_message', (data, uuid) => _postMessage(data, uuid))
@@ -217,6 +229,9 @@ Object.assign(native, {
     },
     relaunch() {
       return handler('app', { action: 'relaunch' }, NO_CALLBACK)
+    },
+    getLocale() {
+      return native.env.LANG
     }
   },
   fs: {
@@ -265,6 +280,9 @@ Object.assign(native, {
     },
     copy(filepath, target) {
       return handler('fs', { action: 'copy', filepath, target })
+    },
+    mkdir(filepath) {
+      return handler('fs', { action: 'mkdir', filepath })
     }
   },
   image(filepath) {