#### 1.2-beta9

* Introducing the [UDP over TCP protocol version 2](/configuration/shared/udp-over-tcp)
* Add health check support for http-based v2ray transports
* Remove length limit on short_id for reality TLS config
* Fix bugs and update dependencies

#### 1.2-beta8

* Update reality and uTLS libraries
* Fix `auto_detect_interface` incorrectly identifying the default interface on Windows

#### 1.2-beta7

* Fix the compatibility issue between VLESS's vision sub-protocol and the Xray-core client
* Improve the stability of the VMESS server

#### 1.2-beta6

* Introducing our [new iOS client application](/installation/clients/sfi)
* Add [platform options](/configuration/inbound/tun#platform) for tun inbound
* Add custom TLS server support for http based v2ray transports
* Add generate commands
* Enable XUDP by default in VLESS
* Update reality server
* Update vision protocol
* Fixed [user flow in vless server](/configuration/inbound/vless#usersflow)
* Bug fixes
* Update dependencies

#### 1.2-beta5

* Add [VLESS server](/configuration/inbound/vless) and [vision](/configuration/outbound/vless#flow) support
* Add [reality TLS](/configuration/shared/tls) support
* Fix match private address

#### 1.1.6

* Improve vmess request
* Fix ipv6 redirect on Linux
* Fix match geoip private
* Fix parse hysteria UDP message
* Fix socks connect response
* Disable vmess header protection if transport enabled
* Update QUIC v2 version number and initial salt

#### 1.2-beta4

* Add [NTP service](/configuration/ntp)
* Add Add multiple server names and multi-user support for shadowtls
* Add strict mode support for shadowtls v3
* Add uTLS support for shadowtls v3

#### 1.2-beta3

* Update QUIC v2 version number and initial salt
* Fix shadowtls v3 implementation

#### 1.2-beta2

* Add [ShadowTLS protocol v3](https://github.com/ihciah/shadow-tls/blob/master/docs/protocol-v3-en.md)
* Add fallback support for v2ray transport
* Fix parse hysteria UDP message
* Fix socks connect response
* Disable vmess header protection if transport enabled

#### 1.2-beta1

* Add [DHCP DNS server](/configuration/dns/server) support
* Add SSH [host key validation](/configuration/outbound/ssh) support
* Add [query_type](/configuration/dns/rule) DNS rule item
* Add v2ray [user stats](/configuration/experimental#statsusers) api
* Add new clash DNS query api
* Improve vmess request
* Fix ipv6 redirect on Linux
* Fix match geoip private

#### 1.1.5

* Add Go 1.20 support
* Fix inbound default DF value
* Fix auth_user route for naive inbound
* Fix gRPC lite header
* Ignore domain case in route rules

#### 1.1.4

* Fix DNS log
* Fix write to h2 conn after closed
* Fix create UDP DNS transport from plain IPv6 address

#### 1.1.2

* Fix http proxy auth
* Fix user from stream packet conn
* Fix DNS response TTL
* Fix override packet conn
* Skip override system proxy bypass list
* Improve DNS log

#### 1.1.1

* Fix acme config
* Fix vmess packet conn
* Suppress quic-go set DF error

#### 1.1

* Fix close clash cache

Important changes since 1.0:

* Add support for use with android VPNService
* Add tun support for WireGuard outbound
* Add system tun stack
* Add comment filter for config
* Add option for allow optional proxy protocol header
* Add Clash mode and persistence support
* Add TLS ECH and uTLS support for outbound TLS options
* Add internal simple-obfs and v2ray-plugin
* Add ShadowsocksR outbound
* Add VLESS outbound and XUDP
* Skip wait for hysteria tcp handshake response
* Add v2ray mux support for all inbound
* Add XUDP support for VMess
* Improve websocket writer
* Refine tproxy write back
* Fix DNS leak caused by
  Windows' ordinary multihomed DNS resolution behavior
* Add sniff_timeout listen option
* Add custom route support for tun
* Add option for custom wireguard reserved bytes
* Split bind_address into ipv4 and ipv6
* Add ShadowTLS v1 and v2 support

#### 1.1-rc1

* Fix TLS config for h2 server
* Fix crash when input bad method in shadowsocks multi-user inbound
* Fix listen UDP
* Fix check invalid packet on macOS

#### 1.1-beta18

* Enhance defense against active probe for shadowtls server **1**

**1**:

The `fallback_after` option has been removed.

#### 1.1-beta17

* Fix shadowtls server **1**

*1*:

Added [fallback_after](/configuration/inbound/shadowtls#fallback_after) option.

#### 1.0.7

* Add support for new x/h2 deadline
* Fix copy pipe
* Fix decrypt xplus packet
* Fix macOS Ventura process name match
* Fix smux keepalive
* Fix vmess request buffer
* Fix h2c transport
* Fix tor geoip
* Fix udp connect for mux client
* Fix default dns transport strategy

#### 1.1-beta16

* Improve shadowtls server
* Fix default dns transport strategy
* Update uTLS to v1.2.0

#### 1.1-beta15

* Add support for new x/h2 deadline
* Fix udp connect for mux client
* Fix dns buffer
* Fix quic dns retry
* Fix create TLS config
* Fix websocket alpn
* Fix tor geoip

#### 1.1-beta14

* Add multi-user support for hysteria inbound **1**
* Add custom tls client support for std grpc
* Fix smux keep alive
* Fix vmess request buffer
* Fix default local DNS server behavior
* Fix h2c transport

*1*:

The `auth` and `auth_str` fields have been replaced by the `users` field.

#### 1.1-beta13

* Add custom worker count option for WireGuard outbound
* Split bind_address into ipv4 and ipv6
* Move WFP manipulation to strict route
* Fix WireGuard outbound panic when close
* Fix macOS Ventura process name match
* Fix QUIC connection migration by @HyNetwork
* Fix handling QUIC client SNI by @HyNetwork

#### 1.1-beta12

* Fix uTLS config
* Update quic-go to v0.30.0
* Update cloudflare-tls to go1.18.7

#### 1.1-beta11

* Add option for custom wireguard reserved bytes
* Fix shadowtls v2
* Fix h3 dns transport
* Fix copy pipe
* Fix decrypt xplus packet
* Fix v2ray api
* Suppress no network error
* Improve local dns transport

#### 1.1-beta10

* Add [sniff_timeout](/configuration/shared/listen#sniff_timeout) listen option
* Add [custom route](/configuration/inbound/tun#inet4_route_address) support for tun **1**
* Fix interface monitor
* Fix websocket headroom
* Fix uTLS handshake
* Fix ssh outbound
* Fix sniff fragmented quic client hello
* Fix DF for hysteria
* Fix naive overflow
* Check destination before udp connect
* Update uTLS to v1.1.5
* Update tfo-go to v2.0.2
* Update fsnotify to v1.6.0
* Update grpc to v1.50.1

*1*:

The `strict_route` on windows is removed.

#### 1.0.6

* Fix ssh outbound
* Fix sniff fragmented quic client hello
* Fix naive overflow
* Check destination before udp connect

#### 1.1-beta9

* Fix windows route **1**
* Add [v2ray statistics api](/configuration/experimental#v2ray-api-fields)
* Add ShadowTLS v2 support **2**
* Fixes and improvements

**1**:

* Fix DNS leak caused by
  Windows' [ordinary multihomed DNS resolution behavior](https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/dd197552%28v%3Dws.10%29)
* Flush Windows DNS cache when start/close

**2**:

See [ShadowTLS inbound](/configuration/inbound/shadowtls#version)
and [ShadowTLS outbound](/configuration/outbound/shadowtls#version)

#### 1.1-beta8

* Fix leaks on close
* Improve websocket writer
* Refine tproxy write back
* Refine 4in6 processing
* Fix shadowsocks plugins
* Fix missing source address from transport connection
* Fix fqdn socks5 outbound connection
* Fix read source address from grpc-go

#### 1.0.5

* Fix missing source address from transport connection
* Fix fqdn socks5 outbound connection
* Fix read source address from grpc-go

#### 1.1-beta7

* Add v2ray mux and XUDP support for VMess inbound
* Add XUDP support for VMess outbound
* Disable DF on direct outbound by default
* Fix bugs in 1.1-beta6

#### 1.1-beta6

* Add [URLTest outbound](/configuration/outbound/urltest)
* Fix bugs in 1.1-beta5

#### 1.1-beta5

* Print tags in version command
* Redirect clash hello to external ui
* Move shadowsocksr implementation to clash
* Make gVisor optional **1**
* Refactor to miekg/dns
* Refactor bind control
* Fix build on go1.18
* Fix clash store-selected
* Fix close grpc conn
* Fix port rule match logic
* Fix clash api proxy type

*1*:

The build tag `no_gvisor` is replaced by `with_gvisor`.

The default tun stack is changed to system.

#### 1.0.4

* Fix close grpc conn
* Fix port rule match logic
* Fix clash api proxy type

#### 1.1-beta4

* Add internal simple-obfs and v2ray-plugin [Shadowsocks plugins](/configuration/outbound/shadowsocks#plugin)
* Add [ShadowsocksR outbound](/configuration/outbound/shadowsocksr)
* Add [VLESS outbound and XUDP](/configuration/outbound/vless)
* Skip wait for hysteria tcp handshake response
* Fix socks4 client
* Fix hysteria inbound
* Fix concurrent write

#### 1.0.3

* Fix socks4 client
* Fix hysteria inbound
* Fix concurrent write

#### 1.1-beta3

* Fix using custom TLS client in http2 client
* Fix bugs in 1.1-beta2

#### 1.1-beta2

* Add Clash mode and persistence support **1**
* Add TLS ECH and uTLS support for outbound TLS options **2**
* Fix socks4 request
* Fix processing empty dns result

*1*:

Switching modes using the Clash API, and `store-selected` are now supported,
see [Experimental](/configuration/experimental).

*2*:

ECH (Encrypted Client Hello) is a TLS extension that allows a client to encrypt the first part of its ClientHello
message, see [TLS#ECH](/configuration/shared/tls#ech).

uTLS is a fork of "crypto/tls", which provides ClientHello fingerprinting resistance,
see [TLS#uTLS](/configuration/shared/tls#utls).

#### 1.0.2

* Fix socks4 request
* Fix processing empty dns result

#### 1.1-beta1

* Add support for use with android VPNService **1**
* Add tun support for WireGuard outbound **2**
* Add system tun stack **3**
* Add comment filter for config **4**
* Add option for allow optional proxy protocol header
* Add half close for smux
* Set UDP DF by default **5**
* Set default tun mtu to 9000
* Update gVisor to 20220905.0

*1*:

In previous versions, Android VPN would not work with tun enabled.

The usage of tun over VPN and VPN over tun is now supported, see [Tun Inbound](/configuration/inbound/tun#auto_route).

*2*:

In previous releases, WireGuard outbound support was backed by the lower performance gVisor virtual interface.

It achieves the same performance as wireguard-go by providing automatic system interface support.

*3*:

It does not depend on gVisor and has better performance in some cases.

It is less compatible and may not be available in some environments.

*4*:

Annotated json configuration files are now supported.

*5*:

UDP fragmentation is now blocked by default.

Including shadowsocks-libev, shadowsocks-rust and quic-go all disable segmentation by default.

See [Dial Fields](/configuration/shared/dial#udp_fragment)
and [Listen Fields](/configuration/shared/listen#udp_fragment).

#### 1.0.1

* Fix match 4in6 address in ip_cidr
* Fix clash api log level format error
* Fix clash api unknown proxy type

#### 1.0

* Fix wireguard reconnect
* Fix naive inbound
* Fix json format error message
* Fix processing vmess termination signal
* Fix hysteria stream error
* Fix listener close when proxyproto failed

#### 1.0-rc1

* Fix write log timestamp
* Fix write zero
* Fix dial parallel in direct outbound
* Fix write trojan udp
* Fix DNS routing
* Add attribute support for geosite
* Update documentation for [Dial Fields](/configuration/shared/dial)

#### 1.0-beta3

* Add [chained inbound](/configuration/shared/listen#detour) support
* Add process_path rule item
* Add macOS redirect support
* Add ShadowTLS [Inbound](/configuration/inbound/shadowtls), [Outbound](/configuration/outbound/shadowtls)
  and [Examples](/examples/shadowtls)
* Fix search android package in non-owner users
* Fix socksaddr type condition
* Fix smux session status
* Refactor inbound and outbound documentation
* Minor fixes

#### 1.0-beta2

* Add strict_route option for [Tun inbound](/configuration/inbound/tun#strict_route)
* Add packetaddr support for [VMess outbound](/configuration/outbound/vmess#packet_addr)
* Add better performing alternative gRPC implementation
* Add [docker image](https://github.com/SagerNet/sing-box/pkgs/container/sing-box)
* Fix sniff override destination

#### 1.0-beta1

* Initial release

##### 2022/08/26

* Fix ipv6 route on linux
* Fix read DNS message

##### 2022/08/25

* Let vmess use zero instead of auto if TLS enabled
* Add trojan fallback for ALPN
* Improve ip_cidr rule
* Fix format bind_address
* Fix http proxy with compressed response
* Fix route connections

##### 2022/08/24

* Fix naive padding
* Fix unix search path
* Fix close non-duplex connections
* Add ACME EAB support
* Fix early close on windows and catch any
* Initial zh-CN document translation

##### 2022/08/23

* Add [V2Ray Transport](/configuration/shared/v2ray-transport) support for VMess and Trojan
* Allow plain http request in Naive inbound (It can now be used with nginx)
* Add proxy protocol support
* Free memory after start
* Parse X-Forward-For in HTTP requests
* Handle SIGHUP signal

##### 2022/08/22

* Add strategy setting for each [DNS server](/configuration/dns/server)
* Add bind address to outbound options

##### 2022/08/21

* Add [Tor outbound](/configuration/outbound/tor)
* Add [SSH outbound](/configuration/outbound/ssh)

##### 2022/08/20

* Attempt to unwrap ip-in-fqdn socksaddr
* Fix read packages in android 12
* Fix route on some android devices
* Improve linux process searcher
* Fix write socks5 username password auth request
* Skip bind connection with private destination to interface
* Add [Trojan connection fallback](/configuration/inbound/trojan#fallback)

##### 2022/08/19

* Add Hysteria [Inbound](/configuration/inbound/hysteria) and [Outbund](/configuration/outbound/hysteria)
* Add [ACME TLS certificate issuer](/configuration/shared/tls)
* Allow read config from stdin (-c stdin)
* Update gVisor to 20220815.0

##### 2022/08/18

* Fix find process with lwip stack
* Fix crash on shadowsocks server
* Fix crash on darwin tun
* Fix write log to file

##### 2022/08/17

* Improve async dns transports

##### 2022/08/16

* Add ip_version (route/dns) rule item
* Add [WireGuard](/configuration/outbound/wireguard) outbound

##### 2022/08/15

* Add uid, android user and package rules support in [Tun](/configuration/inbound/tun) routing.

##### 2022/08/13

* Fix dns concurrent write

##### 2022/08/12

* Performance improvements
* Add UoT option for [SOCKS](/configuration/outbound/socks) outbound

##### 2022/08/11

* Add UoT option for [Shadowsocks](/configuration/outbound/shadowsocks) outbound, UoT support for all inbounds

##### 2022/08/10

* Add full-featured [Naive](/configuration/inbound/naive) inbound
* Fix default dns server option [#9] by iKirby

##### 2022/08/09

No changelog before.

[#9]: https://github.com/SagerNet/sing-box/pull/9