Now what is the latest version ?

as in OP says 2.1
once i hit getpeerinfo, i see that there is :
"subver" : "/DALEKS:2.2.0/",
"subver" : "/DALEKS:2.3.0/",
so wtf ?
also how to block some old peers ? cuz they are making the wallet freez syncing and takes full day to sync after close run again...........