2 files changed, 24 insertions, 2 deletions
diff --git a/actionpack/lib/action_dispatch/http/request.rb b/actionpack/lib/action_dispatch/http/request.rb
index 820921252d..adbb5d1346 100644
--- a/actionpack/lib/action_dispatch/http/request.rb
+++ b/actionpack/lib/action_dispatch/http/request.rb
@@ -247,6 +247,28 @@ module ActionDispatch
       LOCALHOST.any? { |local_ip| local_ip === remote_addr && local_ip === remote_ip }
     end
 
+    protected
+
+    # Remove nils from the params hash
+    def deep_munge(hash)
+      hash.each_value do |v|
+        case v
+        when Array
+          v.grep(Hash) { |x| deep_munge(x) }
+        when Hash
+          deep_munge(v)
+        end
+      end
+
+      keys = hash.keys.find_all { |k| hash[k] == [nil] }
+      keys.each { |k| hash[k] = nil }
+      hash
+    end
+
+    def parse_query(qs)
+      deep_munge(super)
+    end
+
     private
 
     def check_method(name)
diff --git a/actionpack/lib/action_pack/version.rb b/actionpack/lib/action_pack/version.rb
index 4d1f19ed13..d36411ab3a 100644
--- a/actionpack/lib/action_pack/version.rb
+++ b/actionpack/lib/action_pack/version.rb
@@ -2,8 +2,8 @@ module ActionPack
   module VERSION #:nodoc:
     MAJOR = 3
     MINOR = 2
-    TINY  = 3
-    PRE   = nil
+    TINY  = 4
+    PRE   = "rc1"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join('.')
   end