diff --git a/js/src/jit/x86-shared/Encoding-x86-shared.h b/js/src/jit/x86-shared/Encoding-x86-shared.h
index a55d5029e6..f8edb48f94 100644
--- a/js/src/jit/x86-shared/Encoding-x86-shared.h
+++ b/js/src/jit/x86-shared/Encoding-x86-shared.h
@@ -314,7 +314,6 @@ inline bool IsXMMReversedOperands(TwoByteOpcodeID opcode)
       case OP2_MOVSD_WsdVsd: // also OP2_MOVPS_WpsVps
       case OP2_MOVAPS_WsdVsd:
       case OP2_MOVDQ_WdqVdq:
-      case OP3_PEXTRD_EdVdqIb:
         return true;
       default:
         break;
diff --git a/media/libvpx/vp8/encoder/onyx_if.c b/media/libvpx/vp8/encoder/onyx_if.c
index 40e29e191a..0cd3e04503 100644
--- a/media/libvpx/vp8/encoder/onyx_if.c
+++ b/media/libvpx/vp8/encoder/onyx_if.c
@@ -1557,6 +1557,10 @@ void vp8_change_config(VP8_COMP *cpi, VP8_CONFIG *oxcf)
     last_h = cpi->oxcf.Height;
     prev_number_of_layers = cpi->oxcf.number_of_layers;
 
+    if (cpi->initial_width) {
+        oxcf->multi_threaded = cpi->oxcf.multi_threaded;
+    }
+
     cpi->oxcf = *oxcf;
 
     switch (cpi->oxcf.Mode)
diff --git a/media/mtransport/test/sctp_unittest.cpp b/media/mtransport/test/sctp_unittest.cpp
index 2dbfc9c03d..267f199d12 100644
--- a/media/mtransport/test/sctp_unittest.cpp
+++ b/media/mtransport/test/sctp_unittest.cpp
@@ -97,7 +97,7 @@ class TransportTestPeer : public sigslot::has_slots<> {
 
     memset(&local_addr_, 0, sizeof(local_addr_));
     local_addr_.sconn_family = AF_CONN;
-#if !defined(__Userspace_os_Linux) && !defined(__Userspace_os_Windows) && !defined(__Userspace_os_Android)
+#if !defined(__linux__) && !defined(_WIN32) && !defined(__ANDROID__)
     local_addr_.sconn_len = sizeof(struct sockaddr_conn);
 #endif
     local_addr_.sconn_port = htons(local_port);
@@ -106,7 +106,7 @@ class TransportTestPeer : public sigslot::has_slots<> {
 
     memset(&remote_addr_, 0, sizeof(remote_addr_));
     remote_addr_.sconn_family = AF_CONN;
-#if !defined(__Userspace_os_Linux) && !defined(__Userspace_os_Windows) && !defined(__Userspace_os_Android)
+#if !defined(__linux__) && !defined(_WIN32) && !defined(__ANDROID__)
     remote_addr_.sconn_len = sizeof(struct sockaddr_conn);
 #endif
     remote_addr_.sconn_port = htons(remote_port);
diff --git a/netwerk/sctp/datachannel/DataChannel.cpp b/netwerk/sctp/datachannel/DataChannel.cpp
index 9130d787e1..45e64ee4b7 100644
--- a/netwerk/sctp/datachannel/DataChannel.cpp
+++ b/netwerk/sctp/datachannel/DataChannel.cpp
@@ -6,7 +6,7 @@
 #include <algorithm>
 #include <stdio.h>
 #include <stdlib.h>
-#if !defined(__Userspace_os_Windows)
+#if !defined(_WIN32)
 #include <arpa/inet.h>
 #endif
 // usrsctp.h expects to have errno definitions prior to its inclusion.
@@ -547,7 +547,7 @@ DataChannelConnection::CompleteConnect(TransportFlow *flow, TransportLayer::Stat
   struct sockaddr_conn addr;
   memset(&addr, 0, sizeof(addr));
   addr.sconn_family = AF_CONN;
-#if defined(__Userspace_os_Darwin)
+#if defined(__APPLE__)
   addr.sconn_len = sizeof(addr);
 #endif
   addr.sconn_port = htons(mLocalPort);
@@ -801,7 +801,7 @@ DataChannelConnection::Connect(const char *addr, unsigned short port)
   addr6.sin6_port = htons(port);
   mState = CONNECTING;
 
-#if !defined(__Userspace_os_Windows)
+#if !defined(_WIN32)
   if (inet_pton(AF_INET6, addr, &addr6.sin6_addr) == 1) {
     if (usrsctp_connect(mMasterSocket, reinterpret_cast<struct sockaddr *>(&addr6), sizeof(struct sockaddr_in6)) < 0) {
       LOG(("*** Failed userspace_connect"));
@@ -1555,7 +1555,7 @@ void
 DataChannelConnection::HandlePeerAddressChangeEvent(const struct sctp_paddr_change *spc)
 {
   const char *addr = "";
-#if !defined(__Userspace_os_Windows)
+#if !defined(_WIN32)
   char addr_buf[INET6_ADDRSTRLEN];
   struct sockaddr_in *sin;
   struct sockaddr_in6 *sin6;
@@ -1563,13 +1563,13 @@ DataChannelConnection::HandlePeerAddressChangeEvent(const struct sctp_paddr_chan
 
   switch (spc->spc_aaddr.ss_family) {
   case AF_INET:
-#if !defined(__Userspace_os_Windows)
+#if !defined(_WIN32)
     sin = (struct sockaddr_in *)&spc->spc_aaddr;
     addr = inet_ntop(AF_INET, &sin->sin_addr, addr_buf, INET6_ADDRSTRLEN);
 #endif
     break;
   case AF_INET6:
-#if !defined(__Userspace_os_Windows)
+#if !defined(_WIN32)
     sin6 = (struct sockaddr_in6 *)&spc->spc_aaddr;
     addr = inet_ntop(AF_INET6, &sin6->sin6_addr, addr_buf, INET6_ADDRSTRLEN);
 #endif
diff --git a/netwerk/sctp/src/README.sctp b/netwerk/sctp/src/README.sctp
index 14fbb7c695..dd73ec45d6 100644
--- a/netwerk/sctp/src/README.sctp
+++ b/netwerk/sctp/src/README.sctp
@@ -1,12 +1,9 @@
-This code is imported from the usrsctp library via netwerk/sctp/update_sctp.sh.
+This code is imported from the usrsctp library. The current code is version
+8e12cd9e01fc94d2e84ea1afa351c845966e116e from git.
 
-The project is accessed via:
+The project is accessed on GitHub at the following location:
 
-svn co --username your.username https://sctp-refimpl.googlecode.com/svn/trunk sctpSVN
-
-If you just want a read-only copy use
-
-svn co http://sctp-refimpl.googlecode.com/svn/trunk sctpSVN
+https://github.com/sctplab/usrsctp
 
 The usrsctp library is based on the FreeBSD kernel implementation, and the
 userspace implementation was largely done my Michael Tuexen and Irene
diff --git a/netwerk/sctp/update_sctp.sh b/netwerk/sctp/update_sctp.sh
deleted file mode 100644
index 4a49cfaacb..0000000000
--- a/netwerk/sctp/update_sctp.sh
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/bin/bash
-#
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-# assume $1 is the directory with a SVN checkout of the libsctp source
-#
-# sctp usrlib source is available (via svn) at:
-# svn co https://sctp-refimpl.googlecode.com/svn/trunk sctpSVN
-#
-# also assumes we've made *NO* changes to the SCTP sources!  If we do, we have to merge by
-# hand after this process, or use a more complex one.
-#
-# For example, one could update an sctp library import head, and merge back to default.  Or keep a
-# separate repo with this in it, and pull from there to m-c and merge.
-if [ "$1" ] ; then
-  export date=`date`
-  export revision=`(cd $1; svnversion -n)`
-
-  cp $1/KERN/usrsctp/usrsctplib/*.c $1/KERN/usrsctp/usrsctplib/*.h netwerk/sctp/src
-  cp $1/KERN/usrsctp/usrsctplib/netinet/*.c $1/KERN/usrsctp/usrsctplib/netinet/*.h netwerk/sctp/src/netinet
-  cp $1/KERN/usrsctp/usrsctplib/netinet6/*.c $1/KERN/usrsctp/usrsctplib/netinet6/*.h netwerk/sctp/src/netinet6
-
-  hg addremove netwerk/sctp/src --include "**.c" --include "**.h" --similarity 90
-
-  echo "sctp updated to version $revision from SVN on $date" >> netwerk/sctp/sctp_update.log
-  echo "sctp updated to version $revision from SVN on $date"
-  echo "WARNING: reapply any local patches!"
-else
-  echo "usage: $0 path_to_sctpSVN_directory"
-  echo "run from the root of your m-c clone"
-fi