Current stable version is numbered 4.4.x and it was released in March 30, 2016.
Previous version was 4.3.x (released on June 10, 2015), see what was new in that release at:
kamcmd corex.pkg_summary pid 12345 kamcmd corex.pkg_summary idx 1
modparam("htable", "htable", "a=>size=4;dbtable=a;cols='key_name,val1,val2,val3'")
modparam("mtree", "mtree", "name=mt;dbtable=mtree;cols='tprefix,tvalue1,tvalue2'")