diff --git a/community/xulrunner/PKGBUILD b/community/xulrunner/PKGBUILD
index 40d3c33e8..b9d2af494 100644
--- a/community/xulrunner/PKGBUILD
+++ b/community/xulrunner/PKGBUILD
@@ -8,8 +8,8 @@
 #  - set extra CFLAG for v5
 
 pkgname=xulrunner
-pkgver=27.0
-pkgrel=2
+pkgver=28.0
+pkgrel=1
 pkgdesc="Mozilla Runtime Environment"
 arch=('i686' 'x86_64')
 license=('MPL' 'GPL' 'LGPL')
@@ -19,15 +19,13 @@ url="http://wiki.mozilla.org/XUL:Xul_Runner"
 source=(ftp://ftp.mozilla.org/pub/mozilla.org/xulrunner/releases/$pkgver/source/xulrunner-$pkgver.source.tar.bz2
         mozconfig
         mozilla-pkgconfig.patch
-        shared-libs.patch
-        unbreak-plugin-build.patch)
+        shared-libs.patch)
 options=('!emptydirs' 'staticlibs')
 replaces=('xulrunner-oss')
-sha256sums=('4f6125c053e12c4ac3317b075e289b10ce470dd90ed6fc43c4572bf1acc64981'
-            '1afb707bb7bdeb1f9b7a0d5ff875255bb634c1da81cb943e823559b773908204'
+sha256sums=('6eacdc549c252da57d1f51a363ad8c7e62f09ec8c796e8eb69ddb3e1008df7af'
+            '7fd271e467e7bc61907d61c64b8dd57be152443d0517df3f3579a0e12785e5cd'
             '23485d937035648add27a7657f6934dc5b295e886cdb0506eebd02a43d07f269'
-            'e2b4a00d14f4ba69c62b3f9ef9908263fbab179ba8004197cbc67edbd916fdf1'
-            '94eef5c52868bf306017898b424f41b124fa39b70dbc8f2bc1c18d9f1c042752')
+            'e2b4a00d14f4ba69c62b3f9ef9908263fbab179ba8004197cbc67edbd916fdf1')
 
 prepare() {
   cd "$srcdir/mozilla-release"
@@ -36,7 +34,6 @@ prepare() {
   #fix libdir/sdkdir - fedora
   patch -Np1 -i ../mozilla-pkgconfig.patch
   patch -Np1 -i ../shared-libs.patch
-  patch -Np1 -i ../unbreak-plugin-build.patch
 
   # WebRTC build tries to execute "python" and expects Python 2
   # Workaround taken from chromium PKGBUILD
diff --git a/community/xulrunner/mozconfig b/community/xulrunner/mozconfig
index 63255fedf..4807c7189 100644
--- a/community/xulrunner/mozconfig
+++ b/community/xulrunner/mozconfig
@@ -34,4 +34,4 @@ ac_add_options --disable-tests
 ac_add_options --disable-installer
 
 # https://bugzilla.mozilla.org/show_bug.cgi?id=955876
-ac_add_options --enable-release
+#ac_add_options --enable-release
diff --git a/community/xulrunner/unbreak-plugin-build.patch b/community/xulrunner/unbreak-plugin-build.patch
deleted file mode 100644
index 63e624ef3..000000000
--- a/community/xulrunner/unbreak-plugin-build.patch
+++ /dev/null
@@ -1,76 +0,0 @@
-
-# HG changeset patch
-# User Ehsan Akhgari <ehsan@mozilla.com>
-# Date 1392421799 18000
-# Node ID 0691948a0abedc7db35c4cb67ec11ad06f782ab0
-# Parent  6f78482c5792b03adca38c924cc4a41f6e16b8ff
-Bug 784739 follow-up: Use NULL in npruntime.h
-
-diff --git a/dom/plugins/base/npruntime.h b/dom/plugins/base/npruntime.h
---- a/dom/plugins/base/npruntime.h
-+++ b/dom/plugins/base/npruntime.h
-@@ -132,23 +132,23 @@ void NPN_ReleaseVariantValue(NPVariant *
- #define NPVARIANT_TO_INT32(_v)   ((_v).value.intValue)
- #define NPVARIANT_TO_DOUBLE(_v)  ((_v).value.doubleValue)
- #define NPVARIANT_TO_STRING(_v)  ((_v).value.stringValue)
- #define NPVARIANT_TO_OBJECT(_v)  ((_v).value.objectValue)
- 
- #define VOID_TO_NPVARIANT(_v)                                                 \
- NP_BEGIN_MACRO                                                                \
-     (_v).type = NPVariantType_Void;                                           \
--    (_v).value.objectValue = nullptr;                                         \
-+    (_v).value.objectValue = NULL;                                            \
- NP_END_MACRO
- 
- #define NULL_TO_NPVARIANT(_v)                                                 \
- NP_BEGIN_MACRO                                                                \
-     (_v).type = NPVariantType_Null;                                           \
--    (_v).value.objectValue = nullptr;                                         \
-+    (_v).value.objectValue = NULL;                                            \
- NP_END_MACRO
- 
- #define BOOLEAN_TO_NPVARIANT(_val, _v)                                        \
- NP_BEGIN_MACRO                                                                \
-     (_v).type = NPVariantType_Bool;                                           \
-     (_v).value.boolValue = !!(_val);                                          \
- NP_END_MACRO
- 
-@@ -211,17 +211,17 @@ typedef void *NPIdentifier;
- 
- /*
-     NPObjects have methods and properties.  Methods and properties are
-     identified with NPIdentifiers.  These identifiers may be reflected
-     in script.  NPIdentifiers can be either strings or integers, IOW,
-     methods and properties can be identified by either strings or
-     integers (i.e. foo["bar"] vs foo[1]). NPIdentifiers can be
-     compared using ==.  In case of any errors, the requested
--    NPIdentifier(s) will be nullptr. NPIdentifier lifetime is controlled
-+    NPIdentifier(s) will be NULL. NPIdentifier lifetime is controlled
-     by the browser. Plugins do not need to worry about memory management
-     with regards to NPIdentifiers.
- */
- NPIdentifier NPN_GetStringIdentifier(const NPUTF8 *name);
- void NPN_GetStringIdentifiers(const NPUTF8 **names, int32_t nameCount,
-                               NPIdentifier *identifiers);
- NPIdentifier NPN_GetIntIdentifier(int32_t intid);
- bool NPN_IdentifierIsString(NPIdentifier identifier);
-@@ -278,17 +278,17 @@ typedef bool (*NPConstructFunctionPtr)(N
-     NPInvokeFunctionPtr function may return 0 to indicate a void
-     result.
- 
-     NPInvalidateFunctionPtr is called by the scripting environment
-     when the native code is shutdown.  Any attempt to message a
-     NPObject instance after the invalidate callback has been
-     called will result in undefined behavior, even if the native code
-     is still retaining those NPObject instances.  (The runtime
--    will typically return immediately, with 0 or nullptr, from an
-+    will typically return immediately, with 0 or NULL, from an
-     attempt to dispatch to a NPObject, but this behavior should not
-     be depended upon.)
- 
-     The NPEnumerationFunctionPtr function may pass an array of
-     NPIdentifiers back to the caller. The callee allocs the memory of
-     the array using NPN_MemAlloc(), and it's the caller's responsibility
-     to release it using NPN_MemFree().
- */
-