diff --git a/lib/env.sh b/lib/env.sh
index de54986..9eeb667 100644
--- a/lib/env.sh
+++ b/lib/env.sh
@@ -2,5 +2,5 @@
 
 export DJANGO_SK_ABS_FP="$(pwd)/config/secret_key.txt"
 export STATIC_FILES="$(pwd)/static/"
-export APP_VERSION="8"
+export APP_VERSION="9"
 export PYTHONPATH="$(pwd)/packages/"
diff --git a/static/css/main.css b/static/css/main.css
index 72a412f..fbc5d2a 100644
--- a/static/css/main.css
+++ b/static/css/main.css
@@ -284,7 +284,7 @@ form .button, form button {
     outline: none;
     border: 1px solid var(--glass-border-color);
     border-radius: var(--glass-corner-radius);
-    backdrop-filter: var(--glass-blur);
+    /*backdrop-filter: var(--glass-blur); disabled for performance reasons*/
     cursor: pointer;
     user-select: none;
 }