From bea216bdf52bab175d8d4df356384e282bd39920 Mon Sep 17 00:00:00 2001 From: Andrew Tridgell Date: Tue, 28 Sep 2021 15:50:13 +1000 Subject: [PATCH] Plane: update release notes for 4.1.0 stable --- ArduPlane/release-notes.txt | 53 +++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/ArduPlane/release-notes.txt b/ArduPlane/release-notes.txt index 4dcebf13e1..2ac6b97a0b 100644 --- a/ArduPlane/release-notes.txt +++ b/ArduPlane/release-notes.txt @@ -1,3 +1,56 @@ +Release 4.1.0 stable 28th September 2021 +---------------------------------------- + +This is the first stable release of the 4.1.x series for fixed +wing. This is a major release, with a lot of changes over the 4.0.9 +release. + +The changes since the last beta (4.1.0beta8) are: + + - fixed a wind speed initialiation bug that affects planes with no + airspeed sensor and no compass + - added support for icm42605 on MatekH743 + +There have in total been over 9000 patches applied since the last +major release (the 4.0.9 stable release), so listing all of them is +not practical, but a few of the highlights are: + + - USB log download speeds improved on F7 and H7 based boards + - Large improvements in EKF stability and support for very long distance flights + - new boards QiotekZealotF427, MatekF765-SE, MambaF405v2, KakuteF4Mini, FlywooF745, FlywooF745Nano, BeastF7 and BeastH7 + - massive improvements to lua scripting, with greatly expanded API + - External AHRS support (VectorNav) + - support for EKF3 affinity for better sensor redundancy + - big improvements to GPS moving baseline yaw support + - new fixed wing PID system + - major fixed wing autotune update giving much better tuning + - added MAN_EXPO_* parameters for input expos in MANUAL, TRAINING and ACRO modes + - added ONESHOT_MASK for oneshot output on control surfaces + - dupport for bi-directional dshot on many boards + - added PiccoloCAN servo support + - new quadplane landing approach system, with airbraking + - greatly improved tiltrotor support with much improved transition stability + - new unified ESC telemetry system for CAN, DShot and serial ESC telemetry + - temperature calibration for IMUs, including factory calibration support + - much improved notch filtering support, including double-notch and realtime FFT based notch filtering + - much faster parameter download and mission upload/down using MAVFTP + - switched to new EKF3 as default state estimator with many new features + +The 4.1.0 includes contributions from over 240 developers and changes +over 300 thousand lines of code across 2800 files. It has been a +mammoth effort from the whole community to bring this new version of +ArduPilot which pushes the best open flight controller to whole new +levels. A big thank you to everyone who contributed, includding the +developers, testers and documenters. You should all be very proud of +this release! + +We are already starting work on 4.2.x, and will of course continue to +do point releases to the 4.1.x series to keep everyone up to date with +the latest fixes. + +Happy flying, and thanks for choosing ArduPilot! + + Release 4.1.0beta8 15th September 2021 --------------------------------------