Let's try to keep CHANGES talking in user-visible rather than source-code-visible terms when that makes sense. Something like this:
Index: CHANGES @@ -14 +14 @@ - Fixed slapd modify leaving rc uninitialized (ITS#6715) + Fixed slapd 'sortvals' of attributes with 1 value (ITS#6715) @@ -17 +17 @@ - Fixed slapd-ldap uninitialized tv_usec (ITS#6721) + Fixed slapd-ldap debug output of timeout (ITS#6721) @@ -21 +21 @@ - Fixed slapd-null back-config support (ITS#6624) + Added slapd-null cn=config support (ITS#6624) @@ -27 +27 @@ - Fixed slapo-syncprov properly mutex filter (ITS#6708) + Fixed slapo-syncprov filter race condition (ITS#6708)