Wireshark 4.0.0 Released (UPDATED)
We no longer ship official 32-bit Windows packages starting with this release. If you need to use Wireshark on that platform, we recommend using the latest 3.6 release. Issue 17779
The display filter syntax is more powerful with many new extensions. See below for details.
The Conversation and Endpoint dialogs have been redesigned. See below for details.
The default main window layout has been changed so that the Packet Detail and Packet Bytes are side by side underneath the Packet List pane.
Hex dump imports from Wireshark and from text2pcap have been improved. See below for details.
Speed when using MaxMind geolocation has been greatly improved.
The tools and libraries required to build Wireshark have changed. See “Other Development Changes” below for more details.
Many other improvements have been made. See the “New and Updated Features” section below for more details.
UPDATE:
New by Marius Nestor
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Wireshark 4.0 Released as World’s Most Popular Network Protocol Analyzer - 9to5Linux
Wireshark, the world’s most popular and widely-used open-source and cross-platform network protocol analyzer, has been updated to version 4.0, a major release that adds support for new protocols and other changes.
Major highlights of the Wireshark 4.0 release include a more powerful display filter syntax with support for many new extensions, redesigned Conversation and Endpoint dialogs, updated main window layout with side by side Packet Detail and Packet Bytes sections underneath the Packet List pane, improved Hex dump imports, as well as faster and greatly improved MaxMind geolocation.
This release also introduces a new address type AT_NUMERIC that allows simple numeric addresses for protocols that don’t have a more common-style address approach, support for fake headers in the HTTP2 dissector to parse the DATAs of streams that are captured without first HEADERS frames of a long-lived stream, and support for Mesh Connex (MCX) in the IEEE 802.11 dissector.
Another one (blog):
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What’s New In Wireshark 4.0?
Wireshark 4.0 was released today, and as you might have guessed from the version number, quite a few things have changed since 3.6. If you are a regular Wireshark user we recommend that you pay close attention to the release notes this time around, since it includes quite a few changes. I’ll cover some highlights here, but the release notes go into much greater detail.
Another source:
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Wireshark 4.0.0 Released
Many new features, changes and updates. First one you'll notice is the layout: [...]