In the more recent versions of APID, additional modification events have been added.

To avoid breaking existing code, these new events have names like modified-text, subjectModified-text, modified-recomposed-overset, etc... That means that an event filter of subjectModified will not inadvertently start capturing events like subjectModified-text, because the names don't match.

If you do want to capture all modification events, you need to use wildcards - for example, set your event filter to subjectModified* - this captures all events whose event code starts with subjectModified.

Wildcards are pretty powerful - if you wanted to capture, say, all selected as well as deselected events, you could set your event filter to subject*elected  - that covers both subjectSelected and subjectDeselected