v2.3

- Added 1.0.2rB version of region US915

- Changes to test mode for LCTT compatibility

- Fixed empty uplink on port 8 at startup

- Added AS923-2/3 from final RP002-1.0.1

- Updated serial port commands for volume production

- Fixed spurious reset indications in ABP 1.0 FCnt reset support,

which could cause loss of downlink connectivity until the next rejoin

v2.2

- Handle RxDelay 0 in JoinAccept

- Improved robustness of random backoffs

v2.1

- Optimized downlink reply handling

- Improved low battery detection

v2.0

- LoRaWAN 1.1 support

- Fixed possible spurious transmissions at end of battery life

- Tx power limit support

- Random tx delay support

- Scheduled Heartbeats feature

v1.9
- Improved Tilt accuracy

v1.8

- Man down support
- Tilt support
- ABP support

v1.7
- Tolerate LinkADRReq when ADR is disabled

v1.6

- Fixed crash if configured for single channel in US915

- Keep LED blinking for longer if the first join attempt fails

v1.5

- Fixed bug that could in rare circumstances cause missed trips until the next heartbeat

v1.4

- AS923 dwell time support

- ADR support

- Programmable rejoin period

v1.3

- AS923 and KR920 region support

- Don't transmit at startup if config cable is active

- Don't send downlink acknowledgement for MAC commands

v1.2

- Updated parameter defaults

- Fixed RTC bug that caused 0.8% packet loss

v1.1

- First release