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include::attributes.asciidoc[]

= Wireshark {wireshark-version} Release Notes
// AsciiDoc quick reference: http://powerman.name/doc/asciidoc

This is a semi-experimental release intended to test new features for
Wireshark 2.4.

== What is Wireshark?

Wireshark is the world's most popular network protocol analyzer. It is
used for troubleshooting, analysis, development and education.

== What's New

//=== Bug Fixes

//The following bugs have been fixed:

//* ws-buglink:5000[]
//* ws-buglink:6000[Wireshark bug]
//* cve-idlink:2014-2486[]
//* Wireshark keeps leaving voicemails advertising timeshare condominiums in Fresno. (ws-buglink:0000[])

//_Non-empty section placeholder._

=== New and Updated Features

The following features are new (or have been significantly updated)
since version 2.2.0:

* Experimental 32-bit and 64-bit Windows Installer (.msi) packages are available.
  It is recommended that you use these independently of the NSIS (.exe) installers.
  That is, you should make sure the NSIS package is completely uninstalled before
  installing the Windows Installer package and vice-versa.
* Source packages are now compressed using xz instead of bzip2.
* GTK+ is disabled by default in Autotools and CMake.
* SS7 Point Codes can now be resolved into names with a hosts-like file.
* Wireshark can now go fullscreen to have more room for packets.
* TShark can now export objects like the other GUI interfaces.
* Support for G.722 and G.726 codecs in the RTP Player (via the Spandsp library).

//=== Removed Dissectors

//=== New File Format Decoding Support

=== New Protocol Support

// Add one protocol per line between the --sort-and-group-- delimiters.
--sort-and-group--
Nordic BLE Sniffer
Ericsson A-bis TFP (Traffic Forwarding Protocol)
Ericsson A-bis P-GSL
vSocket
ISO 15765
Unified Diagnostic Services (UDS)
SCTE-35 Digital Program Insertion Messages
Windows Cluster Management API (clusapi)
RFTap Protocol
M2 Application Protocol
CAN FD
Bluetooth HCI Vendor Intel
High-speed SECS message service (HSMS)
GSM Osmux
Health Level 7 (HL7)
Local Service Discovery (LSD)
Fc00/cjdns Protocol
iPerf2
Snort Post-dissector

--sort-and-group--

=== Updated Protocol Support

Too many protocols have been updated to list here.

=== New and Updated Capture File Support

_Non-empty section placeholder._
// Add one file type per line between the --sort-and-group-- delimiters.
--sort-and-group--
--sort-and-group--

=== New and Updated Capture Interfaces support

_Non-empty section placeholder._
--sort-and-group--
--sort-and-group--

//=== Major API Changes
IEEE802.11: wlan_mgt display filter element got renamed to wlan.

== Getting Wireshark

Wireshark source code and installation packages are available from
https://www.wireshark.org/download.html.

=== Vendor-supplied Packages

Most Linux and Unix vendors supply their own Wireshark packages. You can
usually install or upgrade Wireshark using the package management system
specific to that platform. A list of third-party packages can be found
on the https://www.wireshark.org/download.html#thirdparty[download page]
on the Wireshark web site.

== File Locations

Wireshark and TShark look in several different locations for preference
files, plugins, SNMP MIBS, and RADIUS dictionaries. These locations vary
from platform to platform. You can use About→Folders to find the default
locations on your system.

== Known Problems

Dumpcap might not quit if Wireshark or TShark crashes.
(ws-buglink:1419[])

The BER dissector might infinitely loop.
(ws-buglink:1516[])

Capture filters aren't applied when capturing from named pipes.
(ws-buglink:1814[])

Filtering tshark captures with read filters (-R) no longer works.
(ws-buglink:2234[])

Application crash when changing real-time option.
(ws-buglink:4035[])

Packet list rows are oversized.
(ws-buglink:4357[])

Wireshark and TShark will display incorrect delta times in some cases.
(ws-buglink:4985[])

Wireshark should let you work with multiple capture files. (ws-buglink:10488[])

Dell Backup and Recovery (DBAR) makes many Windows applications crash,
including Wireshark. (ws-buglink:12036[])

== Getting Help

Community support is available on https://ask.wireshark.org/[Wireshark's
Q&A site] and on the wireshark-users mailing list. Subscription
information and archives for all of Wireshark's mailing lists can be
found on https://www.wireshark.org/lists/[the web site].

Official Wireshark training and certification are available from
http://www.wiresharktraining.com/[Wireshark University].

== Frequently Asked Questions

A complete FAQ is available on the
https://www.wireshark.org/faq.html[Wireshark web site].