epics-base/documentation/new-notes/PR-359.md

Fix undefined timestamp for NORD field

When monitoring non-val fields such as NORD for several record types updates are not sent out correctly resulting in incorrect timestamps. This fixes this for the record types aai, aao, subArray.

Note that support modules that already implement this in the device support layer will need to be updated to avoid doubled monitor updates. If those modules are to be built against older versions of EPICS base then they will need to use the defined macros AAO_POSTS_NORD, AAI_POSTS_NORD, SA_POSTS_NORD, or WF_POSTS_NORD as appropriate to detect this change.