venu2(plus) - heart rate history has wrong when value

On the venu 2 and also on venu 2 plus the timestamps that are next to heart rate values are all wrong, this is both for Sensorhistory and HeartRatehistory

Output from an example run:

Current time: 1635487959
---
hr-history
1635344820 66
1635344760 65
1635342000 70
1635341940 67
1635341880 66
1635341820 66
1635341760 64
1635341700 64
1635341640 65
1635341580 67
1635341520 66
1635341460 67
1635341400 65
1635341340 66
1635341280 66
1635341220 66
1635341160 67
1635341100 66
1635341040 66
1635340980 65
1635340920 67
1635340860 65
1635340800 66
1635340740 61
1635340680 61
1635340620 62
1635340560 59
1635340500 63
1635340440 59
1635340380 58
1635340320 57
1635340260 58
1635340200 59
1635340140 60
1635340080 59
1635340020 59
1635339960 59
1635339900 60
1635339840 69
1635339780 61
1635339720 63
1635339660 67
1635339600 67
1635339540 67
1635339480 67
1635339420 66
1635339360 74
2880 date null:0 invalid:2833 hr null:0 hr not null:47

Most recent samples are from 2 days ago (wrong) while I explicitely caused a store to happen by activating the hr widget and wearing it for more than an hour. The most recent data should be mostly hours ago and not days ago....  

To reproduce - see attached zip file.