In coloured diff mode, popup windows can be bought up containing either the original or the new version of the file being reviewed (with the lines colour-coded). This can aid tremendously when reviewing "terse" diffs. Comments can also be made in these popup windows.
Filenames for each file-block can be optionally linked to CVSweb or viewCVS. An optional bug number can be submitted with each review, to allow for integration with a bug tracking system such as bugzilla. Comment emails sent now include the filename and line number (where possible) that the comment was made against. The creation date of the topic is now shown, and the topic text can now be downloaded as "text/plain".