HttpWatch is now supplied with a plug-in for Mozilla Firefox 2.0 and 3.0:

The automation interface has been update to allow the control of HttpWatch within Mozilla Firefox:

The new Visual Studio style tabs in HttpWatch Studio make it easier to switch between log files:

The Properties window displays information about how a log file was recorded. It includes an editable comment field that allows simple annotations to be attached to a file:

New menu items have been added that control how start times are displayed. This can be useful when trying to locate related events across multiple systems, locations and time zones :

For information about new features in version 5 please see 'New in Version 5.x'.