Hi,
Revisions in the packages just uploaded are marked in the XHTML (and CHM)
output using red text and images (looking like >>revised text<<). I found
it easy to locate all revised topics by searching the XHTML package for any
file containing the text "delta.gif" (the name of the start-revision
image), but there may be easier ways to locate them. There are 38 topics
that are affected (plus the cover), but it looks like around half of those
come from a minor change to the definition of @rev; that attribute is
defined in several langref topics that don't use the usual set of common
attributes.