Higher, faster, further. The final version of Betaflight 4.3.0 has finally been released. Developments have been made in every corner of the code with the aim of extending the tuning window. In concrete terms, this means that fewer settings now need to be set and Betaflight flies better "by itself". It is a balancing act between optimal settings for everyone (from Whoop to X-Class) and individual settings for your quadcopter. FPV pilots can look forward to numerous new features and adjustments.
IMPORTANT: Betaflight 4.3 requires the latest Configurator (10.8.0 or newer), as earlier Configurator versions will not work properly. Betaflight also warns: Do not paste whole diffs or dumps from a previous build into the 4.3 CLI. Invest the time in the new setup. Incidentally, this applies to every major version jump of Betaflight. The CLI parameters and their interpretation have changed a lot. If you can use presets, do so. Betaflight strongly recommends leaving antigravity settings to default at the beginning, as well as using RPM filtering.
As always, check all settings carefully before the first poor.
Presets
The newly added Presets tab is probably one of the most exciting features in 4.3. Here you can load different ratings, filters and other settings from quads of other well-known pilots. Whether a Whoop, a Toothpick, a 5″ Racer, a Freestyle setup or an X-Class, Betaflight now offers you an easy way to instantly give your quad great flying characteristics. A suitable preset should already deliver great results. However, before trying out presets, make sure you save your own configurations first and read through the description/instructions.
New tuning slider
4.3 also has a new slider tuning approach. The slider positions are calculated and saved on the FC. There are basic sliders for rough settings and professional sliders for fine tuning.
More precise calculations
Massive improvements to scheduler and DMA code, including EXTI-triggered SPI gyro reads (on supported boards), super-stable calculation times, smoother filter performance, faster logging and improved CPU efficiency.
Betaflight provides the following tuning tips:
Special features with 2kHz PID loop:
Special features for 4kHz PID loop:
Special features with 8kHz PID loop:
We can also look forward to the following new features:
Completely rewritten, greatly improved, SDFT-based multi-dynamic notch filter
RC smoothing has been completely reworked and is now fully filter-based, using the new PT3 filter
overlapping RPM notch filters at low RPM can now be greatly attenuated
4.3 introduces feedforward jitter reduction, which provides a kind of "dynamic transition effect" that allows users to reduce FF stepping
Further feedforward improvements
Antigravity improvements together with P-Boost
Dynamic gyro filter expo curve
The dynamic Idle code has been heavily revised and can now keep the speed at a more stable value, faster and more precise than before thanks to a modified one-sided PID controller
Linear and dynamic mixer options as alternatives to the standard Betaflight mixer code
A lot has been done for whoop pilots: Expo now also in angle mode
FrSky OSD fix
Lua script updates
STM G4 processors are better supported.
Yaw lowpass filter with 100hz is now generally recommended.
FPV camera angle code now works together with feed-forward.
Resetting entire parameter groups in the CLI is now possible.
Various improvements in the OSD
Beeper Mute
Many settings in CLI have changed in 4.3. If you want to update your quad from an older version to Betaflight 4.3 and don't want to start from scratch, you can use this migration tool to convert your old CLI dump for safe import into 4.3. You can also choose which settings to keep or discard.
There are some other improvements and changes in Betaflight 4.3 that may not be obvious to the average user. If you're interested, take a look at the Betaflight 4.3.0 release notes on github.com for more details.
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