_form.html.slim in formtastic-2.3.0.rc3

- old
+ new

@@ -2,7 +2,7 @@
   = f.inputs do
   <%- attributes.each do |attribute| -%>
     = f.input :<%= attribute.name %>
   <%- end -%>
 
-  = f.buttons do
-    = f.commit_button
+  = f.actions do
+    = f.action :submit, as: :input