Release Notes for Version 1.9.1

Add support for TeleMetrum v3.0

Fix accel cal value when changing EasyMega v2.0 pad orientation

Correct EasyMega v2.0 magnetometer data axes

Fix EasyMega v2.0 idle monitor display of IMU data

Report all sensor failures at power-up time.

Display error message when attempting to graph unknown format file.

Make it possible to disable APRS once enabled.

Display some data for point near cursor in map tab.

Support upgrading devices from pre-1.8 firmware

Wait for Windows to prepare new devices during firmware upgrade. This should avoid the “COMxx: open failed” message.