The 8-digit runway state group changed on Nov 5 along with the changes to TAF date-times. There are actually conflicting statements as to what the new format should be.
e.g. 76290149 has become either R26R/290149 (according to Annex 3, and also the consensus of METAR issuers) or R26R290149 according to WMO Manual on Codes. So:
METAR EYKA 081720Z VRB02KT 6000 OVC022 00/M04 Q1018 R08/090065=
Some states, notably the UK, Russia and Sweden, have made no change to the 8-digit code and still report in the old style.
METAR UUEE 081730Z 02004MPS 4300 -SHSN BKN006 BKN013CB 00/00 Q1008 TEMPO 0900 +SHSNRA RMK 07620337 57620337=