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Plane: updated release notes for 3.8.3

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Andrew Tridgell 2017-11-13 15:04:36 +11:00
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ArduPlane/release-notes.txt
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Release 3.8.3beta4, 5th November 2017
-------------------------------------
Release 3.8.3, 13th November 2017
---------------------------------
This is a minor release with a number of important bug fixes and some
small feature additions.
The most important general fixes are for an I2C device detection bug
and fixing the implementation of MANUAL_RCMASK.
There are quite a number of small fixes in lots of areas, plus big
improvements to the handling of tailsitter transitions.
Another significant change is to the handling of transitions from RTL
to QRTL when Q_RTL_MODE=1. We now transition to QRTL at a distance
which is the maximum of RTL_RADIUS and a distance calculated based on
a new Q_TRANS_DECEL "transition deceleration" parameter. That allows
you to tune the amount of deceleration you want in the transition
according to how much drag your quadplane has. This also means it
automatically accounts for wind speed and approach speed in
calculating the transition point.
We have also added a new Q_OPTIONS parameter which is a bitmask of
option flags to control quadplane behaviour. We have three options so
far. The first is to allow for keeping the wings within
LEVEL_ROLL_LIMIT degrees during transitions, for users that prefer
transitions to be kept level. The 2nd and 3rd options are to treat
NAV_TAKEOFF as NAV_VTOL_TAKEOFF and NAV_LAND as NAV_VTOL_LAND in
quadplane missions, so that you can use GCS software that doesn't know
about the VTOL takeoff and land commands.
- allow vertical takeoffs in GUIDED mode with Q_GUIDED_MODE=0
- fixed a bug in implementation of MANUAL_RCMASK
@ -39,6 +63,11 @@ small feature additions.
- fixed use of RTL_RADIUS for QRTL threshold and added Q_TRANS_DECEL
- fixed course unlocking with rudder in CRUISE mode
We hope you have as much fun flying this release as we had producing
it. Happy flying!
Release 3.8.2, 11th September 2017
----------------------------------