Nicla Sense ME is the first sensing solution from Arduino Pro. It integrates AI-enabled smart embedded sensors from Bosch Sensortech and can measure pressure, motion, magnetic field, temperature, humidity and air quality.
Conexio Technologies' Stratus is an open source LTE-M/NB-IoT Cellular-IoT development kit based around Nordic Semi nRF9160. Stratus can charge battery from solar power & comes with 500 MB global data plan. Stratus will be available on Crowd Supply.
XIAO-RP2040 is a new microcontroller development board from Seeed Studio. The small form-factor board features a dual-core ARM Cortex M0+ CPU and supports Arduino, Micropython and CircuitPython. It only costs USD 5.4.