Update README.md

Bosch Sensortec · web-flow · commit da417852e74d · 2019-09-10T14:58:48.000+02:00
diff --git a/README.md b/README.md
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-# BMI2xy Sensor API
+# BMI2xy Sensor API v2.34.0
 
 > This package contains BMI2xy sensor API
 
+**Note : When updating from 2.19.0 to 2.34.0, the gyroscope offset calibration data cannot be reused. In case of a permanently stored gyroscope offset (inside the sensor NVM or on the host), please perform calibration again with API version 2.34.0.
+
 ## Sensor Overview
 
 The BMI2xy is a small, low power, low noise inertial measurement unit designed for use in mobile applications like augmented reality or indoor navigation which require highly accurate, real-time sensor data.
