What’s New

This is expected to be the final release of the 4.2 branch.

This is the last release branch with official support for macOS 10.14 and 10.15.

Bug Fixes

The following bugs have been fixed:

  • Using wslog parameters in command line applications leads to freeing invalid memory. Issue 20500.

  • On macOS a lower resolution Wireshark icon is displayed in the App Switcher and Launchpad. Issue 20544.

  • Fuzz job crash: fuzz-2025-08-06-10932469456.pcap. Issue 20666.

  • Encoding on NAS5GS- NASDL Transport Message-Multiple Container contains inconsistencies. Issue 20679.

New and Updated Features

There are no new or updated features in this release.

New Protocol Support

There are no new protocols in this release.

Updated Protocol Support

H.248E, HTTP2, IAX2, MONGO, NAS-5GS, and XML

New and Updated Capture File Support

There is no new or updated capture file support in this release.

Updated File Format Decoding Support

There is no updated file format support in this release.