Here is my header in PF, it says firmware 6.05 I uploaded back in April I believe, not sure what is different in versions but it works, I would have thought it would quit working by now ifvit was not correct? :

AFLA8MZ
HFDTE190616
HFFXA500
HFPLTPilotincharge:Cliff Hilty
HFCM2Crew2:undefined
HFGTYGliderType:Ventus B
HFGIDGliderID:N60RH
HFDTM100GPSDatum:WGS84
HFCCLCompetitionClass:15 meter
HFCIDCompetitionID:CH
HFRFWFirmwareVersion:6.05
HFRHWHardwareVersion:1.0
HFFTYFRType:PowerFLARM-IGC
HFGPSType:u-blox NEO-6Q
HFPRSPressAltSensor:MEAS MS5607
I023638FXA3940SIU
C190616195247000000000100Empty
LFLA19524707FRW 6.05
LFLA195247 STEALTH OFF
LFLA195247 NOTRACK OFF
LFLA195247ID 1 A7C665
LFLA195247OB
LFLA19524707OBSTEXP
LFLA19524707DEVNO FLAPFC10A-000296
LFLA19524707BUILD 7862
LFLA19524707RANGE 20000
LFLA19524707ACFT 1
LFLA19524707FREQ 101
LFLA19524707CFLAGS 00
LFLA19524707RFTX 1
LFLA19524707MISC 00
LFLA19524707LOGINT 2
LFLA19524707NMEAOUT1 61
LFLA19524707BAUD1 2
LFLA19524707NMEAOUT2 1
LFLA19524707BAUD2 2
LFLA19524707PCASPFLAU1 0
LFLA19524707PCASPFLAU2 0
LFLA19524707XPDR 0
LFLA19524707PCASRANGE 7408
LFLA19524707PCASVRANGE 610
LFLA19524707ADSBRANGE 10000
LFLA19524707ADSBVRANGE 1000
LFLA19524707PCASCALIBRATION 30
LFLA19524707MODESALT 0
LFLA19524707MODEC 1
LFLA19524707PCASBEEP 1
LFLA19524707ADSBWARNINGS 1
LFLA19524707CAL57DBM 443
LFLA19524707CAP OBST;RFB;TIS;IGC;ENL;AZN;DLED;USBH;DP2;XPDR
LFLA19524707LIC AUD:0;ENL:0;AZN:0;IGC:1;RFB:1;TIS:1