The release notes for MMS Version 4.0 are contained in the file:

    SYS$HELP:MMS040.RELEASE_NOTES

    You can type or print this file to read the release note information.
    If  you  have installed prior versions of MMS, the associated release
    notes  up  to  and   including   Version  4.0   can   be   found   in
    SYS$HELP:MMSvvu.RELEASE_NOTES,  where vv is the major version number,
    and u is the update number.