AP_Periph: updated release notes for 1.3.0

Tools/AP_Periph/ReleaseNotes.txt

@@ -1,3 +1,41 @@
+Release 1.3.0 18th Mar 2022
+---------------------------
+
+This is a major release with several significant bug fixes and
+improvements:
+
+ - added new peripherals: BirdCANdy, MatekL431, CubeOrange-periph,
+   G4-ESC, HerePro, Hitec-Airspeed, HolybroG4GPS, HolybroGPS,
+   Sierra-F405, Sierra-F421, Sierra-F9P, Sierra-L431,
+   f103-QiotekPeriph, f405-MatekGPS, f405-MatekAirspeed, mRo-M10095,
+   ARK_GPS, HitecMosaic, MatekH743-periph, Pixracer-periph
+
+ - support dshot for CAN ESC outputs
+
+ - support a wider range of notify options
+
+ - numerous small bug fixes
+
+ - support lua scripting in peripherals
+
+ - switched to DroneCAN compiler and libraries
+
+ - support logging in peripherals
+
+ - support dual CAN bus
+
+ - support BLHeli monitoring of ESC telemetry
+
+ - support mavlink in peripherals
+
+ - support moving baseline yaw dual-GPS on dual-CAN GPS
+
+ - support MPPT battery driver
+
+ - fixed MSP GPS yaw
+
+Note that the next major release will add CANFD support.
+
 Release 1.2.0 6th Jan 2020
 --------------------------