diff --git a/shadowsocks-libev/Makefile b/shadowsocks-libev/Makefile
index a7b815c4f..25f8e750c 100644
--- a/shadowsocks-libev/Makefile
+++ b/shadowsocks-libev/Makefile
@@ -14,12 +14,12 @@ include $(TOPDIR)/rules.mk
 # - check if default mode has changed from being tcp_only
 #
 PKG_NAME:=shadowsocks-libev
-PKG_VERSION:=3.3.4
-PKG_RELEASE:=1
+PKG_VERSION:=3.3.5
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://github.com/shadowsocks/shadowsocks-libev/releases/download/v$(PKG_VERSION)
-PKG_HASH:=fce47a956fad0c30def9c71821bcec450a40d3f881548e31e66cedf262b89eb1
+PKG_HASH:=cfc8eded35360f4b67e18dc447b0c00cddb29cc57a3cec48b135e5fb87433488
 
 PKG_MAINTAINER:=Ycarus (Yannick Chabanois) <ycarus@zugaina.org>
 
diff --git a/shadowsocks-libev/patches/020-NOCRYPTO.patch b/shadowsocks-libev/patches/020-NOCRYPTO.patch
index ae64a50f0..fbe0cc883 100644
--- a/shadowsocks-libev/patches/020-NOCRYPTO.patch
+++ b/shadowsocks-libev/patches/020-NOCRYPTO.patch
@@ -40,8 +40,8 @@ index 0186ccc4..57fa318b 100644
  {
      local cur prev opts ciphers
      opts='-s -p -l -k -m -a -f -t -c -n -i -b -u -U -v -h --reuse-port --fast-open --acl --mtu --mptcp --no-delay --key --plugin --plugin-opts --help'
--    ciphers='rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
-+    ciphers='none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
+-    ciphers='rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
++    ciphers='none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
      cur=${COMP_WORDS[COMP_CWORD]}
      prev="${COMP_WORDS[COMP_CWORD-1]}"
      case "$prev" in
@@ -53,8 +53,8 @@ index d3168a3b..de13c9e9 100644
  {
      local cur prev opts ciphers
      opts='-s -p -l -k -m -a -f -t -c -n -i -b -u -U -v -h --reuse-port --manager-address --executable --mtu --mptcp --plugin --plugin-opts --help'
--    ciphers='rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
-+    ciphers='none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
+-    ciphers='rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
++    ciphers='none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
      cur=${COMP_WORDS[COMP_CWORD]}
      prev="${COMP_WORDS[COMP_CWORD-1]}"
      case "$prev" in
@@ -65,9 +65,9 @@ index 9a14efe8..fdc7b21e 100644
 @@ -2,7 +2,7 @@ _ss_redir()
  {
      local cur prev opts ciphers
-     opts='-s -p -l -k -m -a -f -t -c -n -b -u -U -v -h --reuse-port --mtu --mptcp --key --plugin --plugin-opts --help'
--    ciphers='rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
-+    ciphers='none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
+     opts='-s -p -l -k -m -a -f -t -c -n -b -u -U -T -v -h --reuse-port --mtu --mptcp --key --plugin --plugin-opts --help'
+-    ciphers='rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
++    ciphers='none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
      cur=${COMP_WORDS[COMP_CWORD]}
      prev="${COMP_WORDS[COMP_CWORD-1]}"
      case "$prev" in
@@ -80,9 +80,9 @@ index cec983ce..d8f3c298 100644
  {
      local cur prev opts ciphers
 -    opts='-s -p -l -k -m -a -f -t -c -n -i -b -u -U -6 -d -v -h --reuse-port --fast-open --acl --manager-address --mtu --mptcp --no-delay --key --plugin --plugin-opts --help'
--    ciphers='rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
+-    ciphers='rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
 +    opts='-s -p -l -k -m -a -f -t -c -n -i -b -u -U -6 -d -v -h --reuse-port --fast-open --acl --manager-address --mtu --mptcp --key --plugin --plugin-opts --help'
-+    ciphers='none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
++    ciphers='none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
      COMPREPLY=()
      cur=${COMP_WORDS[COMP_CWORD]}
      prev="${COMP_WORDS[COMP_CWORD-1]}"
@@ -94,8 +94,8 @@ index 707dc7a9..2e119098 100644
  {
      local cur prev opts ciphers
      opts='-s -p -l -k -m -a -f -t -c -n -i -b -u -U -L -v -h --reuse-port --mtu --mptcp --key --plugin --plugin-opts --help'
--    ciphers='rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
-+    ciphers='none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
+-    ciphers='rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
++    ciphers='none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf'
      cur=${COMP_WORDS[COMP_CWORD]}
      prev="${COMP_WORDS[COMP_CWORD-1]}"
      compopt +o nospace
@@ -107,8 +107,8 @@ index c56ed521..8b12b767 100644
  #compdef ss-local
  
  local ciphers
--ciphers='(rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
-+ciphers='(none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
+-ciphers='(rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
++ciphers='(none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
  
  _arguments "-h::" \
             "-s:server host:_hosts" \
@@ -120,8 +120,8 @@ index 3e65f6c8..66c101a1 100644
  #compdef ss-manager
  
  local ciphers
--ciphers='(rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
-+ciphers='(none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
+-ciphers='(rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
++ciphers='(none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
  
  _arguments "-h::" \
             "-s:server host:_hosts" \
@@ -133,8 +133,8 @@ index 4f3b065e..6ef867f3 100644
  #compdef ss-redir
  
  local ciphers
--ciphers='(rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
-+ciphers='(none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
+-ciphers='(rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
++ciphers='(none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
  
  _arguments "-h::" \
             "-s:server host:_hosts" \
@@ -146,8 +146,8 @@ index 8d9f4316..76bae33c 100644
  #compdef ss-server
  
  local ciphers
--ciphers='(rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
-+ciphers='(none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
+-ciphers='(rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
++ciphers='(none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
  
  _arguments "-h::" \
             "-s:server host:_hosts" \
@@ -159,8 +159,8 @@ index 5a269900..248451f9 100644
  #compdef ss-tunnel
  
  local ciphers
--ciphers='(rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
-+ciphers='(none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
+-ciphers='(rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
++ciphers='(none rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 xchacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
  
  _arguments "-h::" \
             "-s:server host:_hosts" \