diff --git a/.gitignore b/.gitignore
index ca19398..62fb407 100644
--- a/.gitignore
+++ b/.gitignore
@@ -166,3 +166,4 @@ firefox-3.6.4.source.tar.bz2
 /firefox-langpacks-41.0.2-20151015.tar.xz
 /firefox-42.0.source.tar.xz
 /firefox-langpacks-42.0-20151029.tar.xz
+/firefox-langpacks-42.0-20151030.tar.xz
diff --git a/aarch64-fix-skia.patch b/aarch64-fix-skia.patch
index 4b9958d..17df80e 100644
--- a/aarch64-fix-skia.patch
+++ b/aarch64-fix-skia.patch
@@ -2,8 +2,8 @@ Based on https://github.com/google/skia/commit/b79ff56de23fef680ae7187040f2d6a95
 
 Index: mozilla-release/gfx/skia/trunk/src/core/SkUtilsArm.h
 ===================================================================
---- mozilla-release.orig/gfx/skia/trunk/src/core/SkUtilsArm.h
-+++ mozilla-release/gfx/skia/trunk/src/core/SkUtilsArm.h
+--- mozilla-release/gfx/skia/skia/src/core/SkUtilsArm.h
++++ mozilla-release/gfx/skia/skia/src/core/SkUtilsArm.h
 @@ -21,9 +21,9 @@
  #define SK_ARM_NEON_MODE_ALWAYS   1
  #define SK_ARM_NEON_MODE_DYNAMIC  2
diff --git a/firefox-debug.patch b/firefox-debug.patch
index b719d26..d1da5cb 100644
--- a/firefox-debug.patch
+++ b/firefox-debug.patch
@@ -1,7 +1,7 @@
-diff -up mozilla-release/browser/installer/package-manifest.in.old mozilla-release/browser/installer/package-manifest.in
---- mozilla-release/browser/installer/package-manifest.in.old	2015-04-03 04:30:05.000000000 +0200
-+++ mozilla-release/browser/installer/package-manifest.in	2015-04-07 13:17:44.180343700 +0200
-@@ -608,7 +608,7 @@
+diff -up firefox-42.0/browser/installer/package-manifest.in.debug firefox-42.0/browser/installer/package-manifest.in
+--- firefox-42.0/browser/installer/package-manifest.in.debug	2015-10-30 15:35:53.231857572 +0100
++++ firefox-42.0/browser/installer/package-manifest.in	2015-10-30 15:36:58.975091068 +0100
+@@ -620,7 +620,7 @@
  @RESPATH@/components/MozKeyboard.js
  @RESPATH@/components/InputMethod.manifest
  
@@ -9,4 +9,4 @@ diff -up mozilla-release/browser/installer/package-manifest.in.old mozilla-relea
 +#ifdef ENABLE_TESTS
  @RESPATH@/components/TestInterfaceJS.js
  @RESPATH@/components/TestInterfaceJS.manifest
- #endif
+ @RESPATH@/components/TestInterfaceJSMaplike.js
diff --git a/firefox-nspr.patch b/firefox-nspr.patch
deleted file mode 100644
index 5577be6..0000000
--- a/firefox-nspr.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff -up firefox-42.0/firefox-42.0/configure.in.old firefox-42.0/firefox-42.0/configure.in
---- firefox-42.0/firefox-42.0/configure.in.old	2015-10-27 01:10:02.000000000 +0100
-+++ firefox-42.0/firefox-42.0/configure.in	2015-10-29 11:56:49.779827023 +0100
-@@ -53,7 +53,7 @@ dnl ====================================
- MOZJPEG=62
- MOZPNG=10617
- NSPR_VERSION=4
--NSPR_MINVER=4.10.10
-+NSPR_MINVER=4.10.8
- NSS_VERSION=3
- 
- dnl Set the minimum version of toolkit libs used by mozilla
diff --git a/firefox-ppc64le.patch b/firefox-ppc64le.patch
index 6465eec..9f74819 100644
--- a/firefox-ppc64le.patch
+++ b/firefox-ppc64le.patch
@@ -1,6 +1,6 @@
 diff -up firefox-36.0/mozilla-release/gfx/skia/trunk/include/core/SkPreConfig.h.ppc64le firefox-36.0/mozilla-release/gfx/skia/trunk/include/core/SkPreConfig.h
---- firefox-36.0/mozilla-release/gfx/skia/trunk/include/core/SkPreConfig.h.ppc64le	2015-02-20 03:01:40.000000000 +0100
-+++ firefox-36.0/mozilla-release/gfx/skia/trunk/include/core/SkPreConfig.h	2015-03-06 15:52:58.298050379 +0100
+--- firefox-36.0/mozilla-release/gfx/skia/skia/include/core/SkPreConfig.h.ppc64le	2015-02-20 03:01:40.000000000 +0100
++++ firefox-36.0/mozilla-release/gfx/skia/skia/include/core/SkPreConfig.h	2015-03-06 15:52:58.298050379 +0100
 @@ -90,6 +90,13 @@
  #endif
  
diff --git a/firefox.spec b/firefox.spec
index 1048b9d..9ebeeaf 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -56,7 +56,7 @@
 %global libvpx_version 1.3.0
 
 %if %{?system_nss}
-%global nspr_version 4.10.8
+%global nspr_version 4.10.10
 %global nspr_build_version %(pkg-config --silence-errors --modversion nspr 2>/dev/null || echo 65536)
 %global nss_version 3.19.2
 %global nss_build_version %(pkg-config --silence-errors --modversion nss 2>/dev/null || echo 65536)
@@ -92,7 +92,7 @@ License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Group:          Applications/Internet
 Source0:        ftp://ftp.mozilla.org/pub/firefox/releases/%{version}%{?pre_version}/source/firefox-%{version}%{?pre_version}.source.tar.xz
 %if %{build_langpacks}
-Source1:        firefox-langpacks-%{version}%{?pre_version}-20151029.tar.xz
+Source1:        firefox-langpacks-%{version}%{?pre_version}-20151030.tar.xz
 %endif
 Source10:       firefox-mozconfig
 Source12:       firefox-redhat-default-prefs.js
@@ -114,7 +114,6 @@ Patch20:        firefox-build-prbool.patch
 Patch21:        firefox-ppc64le.patch
 Patch24:        firefox-debug.patch
 Patch25:        rhbz-1219542-s390-build.patch
-Patch26:        firefox-nspr.patch
 
 # Fedora specific patches
 # Unable to install addons from https pages
@@ -250,12 +249,11 @@ cd %{tarballdir}
 %patch18 -p2 -b .jemalloc-ppc
 %patch19 -p2 -b .s390-inlines
 %patch20 -p1 -b .prbool
-#%patch21 -p2 -b .ppc64le
-#%patch24 -p1 -b .debug
+%patch21 -p2 -b .ppc64le
+%patch24 -p1 -b .debug
 %ifarch s390
 %patch25 -p1 -b .rhbz-1219542-s390
 %endif
-%patch26 -p2 -b .nspr
 
 %patch3  -p2 -b .arm
 
@@ -273,7 +271,7 @@ cd %{tarballdir}
 %patch425 -p1 -b .1192243
 %endif
 
-#%patch500 -p1
+%patch500 -p1
 
 %{__rm} -f .mozconfig
 %{__cp} %{SOURCE10} .mozconfig
diff --git a/sources b/sources
index 941140c..3640ade 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-493e983a16dc2bc7a721e1e1457b074e  firefox-42.0.source.tar.xz
-58282feac2ca4f2431e969ec5eda5dce  firefox-langpacks-42.0-20151029.tar.xz
+d610bf10a75afb4734045e1a43d8eba4  firefox-42.0.source.tar.xz
+bbc7022c261f147ac23e683f22939db0  firefox-langpacks-42.0-20151030.tar.xz