Gadgetbridge step count way to low

I had a look at the Gadgetbridge log, and i counted the steps.

Banglejs: 1345
Gadgetbridge App: 163
Gadgetbridge Log: 953

Here is a little snippet from the log. It looks wrong to me, that the accual message is interrupted ?

15:09:40.284 [Binder:1204_1] INFO  n.f.g.s.d.b.BangleJSDeviceSupport - UART RX LINE: {"t":"status","bat":86,"chg":0}
15:09:40.286 [Binder:1204_1] INFO  n.f.g.s.d.b.BangleJSDeviceSupport - UART RX JSON parsed successfully
15:09:40.289 [Binder:1204_1] INFO  n.f.g.s.AbstractDeviceSupport - Got BATTERY_INFO device event
15:09:40.329 [main] INFO  n.f.g.s.DeviceCommunicationService - Setting broadcast receivers to: true
15:09:40.332 [main] INFO  n.f.g.u.GB - not sending API event due to settings
15:09:40.332 [main] INFO  n.f.g.s.d.b.BangleJSDeviceSupport - ACTION_DEVICE_CHANGED Verbunden
15:09:40.333 [main] INFO  n.f.g.s.r.AutoConnectIntervalReceiver - will reset connection delay, all devices are initialized!
15:09:40.549 [main] DEBUG n.f.g.e.NotificationListener - Notification 1 posted: com.espruino.gadgetbridge.banglejs: null
15:09:40.550 [main] DEBUG n.f.g.e.NotificationListener - notificationAppListIsBlackList: true
15:09:40.555 [main] INFO  n.f.g.e.NotificationListener - Ignore notification: com.espruino.gadgetbridge.banglejs
15:10:00.596 [Binder:1204_1] DEBUG n.f.g.s.b.BtLEQueue - characteristic changed: 6e400003-b5a3-f393-e0a9-e50e24dcca9e value: 0x0d 0x0a 0x7b 0x22 0x74 0x22 0x3a 0x22 0x61 0x63 0x74 0x22 0x2c 0x22 0x73 0x74 0x70 0x22 0x3a 0x37
15:10:00.597 [Binder:1204_1] INFO  n.f.g.s.d.b.BangleJSDeviceSupport - RX: 
{"t":"act","stp":7
15:10:00.598 [Binder:1204_1] INFO  n.f.g.s.d.b.BangleJSDeviceSupport - UART RX LINE: 
15:10:00.610 [Binder:1204_1] DEBUG n.f.g.s.b.BtLEQueue - characteristic changed: 6e400003-b5a3-f393-e0a9-e50e24dcca9e value: 0x36 0x2c 0x22 0x68 0x72 0x6d 0x22 0x3a 0x33 0x38 0x2e 0x32 0x7d 0x0d 0x0a
15:10:00.611 [Binder:1204_1] INFO  n.f.g.s.d.b.BangleJSDeviceSupport - RX: 6,"hrm":38.2}

Gadgetbridge settings:

• text as Bitmap: true
  
• larger MTU: false