The master branch of pwmd has merged the no-literals branch and also fixes the CLEARCACHE command to clear gpg-agent cached keys among other things. This requires libgpgme >= 1.7.0 and gpg-agent >= 2.1.15 which are both still in development and haven’t been released yet. But you can still try things out by building from their git repositories.
Also added are two new special attributes expire and expire_increment. When the
GET command encounters an element with the expire attribute and the currrent time is greater than the attribute value, a new status message
STATUS_EXPIRE is sent. The expire_increment attribute is the number of seconds that the next
STORE command will increment the expire attribute by from the current time. So if you have set an expiry for an element and use a qpwmc shortcut to fetch element content with an expired element, you will be notified about it.