Dont forget to get mounting kit 

Hardware:

- 20x20mm mounting

- Low profile 
- STM32H743 processor 480 MHz, 2MB FLASH, 1.28MB RAM
- IIM-42652 gyro, SPI
- BMP390 barometer
- 8 pin ESC connector, backward compatible with KISS (!!!not with FETTEC!!!). Includes current sensor pin.
- 1 serial port on 6 pin connector (SER1), serials 346 are available.
- Overcurrent protection on all data lines
- ESD protection on USB
- 5v/12v becs (2A) with separate power on lipo and on usb. 8s capable.
- Dedicated current sensor pad

- Finally USB-C :)

- Better cable harness

Software improvements:
- Firmware is based on LATEST version from PATREON
- New STM32 H7 bootloader, VCP driver
- One HEX to rule them all… ??
- Smart config storage… NEVER loose your configuration…
- Optimized hardware interface layer code
- Optimized adaptive filter code (CPU load is about 8% fully loaded!!!)
- Added BLHELI Passthrough
- IRC Ghost support
- TBS CSRFv3 support (ultra code)
- Improved RTH with BARO support
- KISS Weather Station (its fun)
- NO soft serial ports anymore!
- 7 serial ports exposed (dedicated serials for SA and RC telemetry)
- Camera control (analogue, real DAC)
- UBX protocol GPS support
- Battery capacity/alerts
- DSHOT router (free routing between software and hardware channels)
- Full support of all HD systems (DJI MSP, DJI WTF, DJI O3, Walksnail, HD0)


OSD features:
- Integrated Graphical OSD
- No OSD firmware update required
- Configurable Black and White levels, transparency
- FULL KISS configuration from OSD
- ESC configuration
- No serial port required, 50fps refresh rate
- Battery cell voltage sensor
- Crossfire tools

- AM32 setup tools
- Hardware test tools (rc test, gps test, video test, motor test etc)


GUI improvements:
- Forked GUI code (With permission of Flyduino)
- Design facelift, code cleanup.
- Removed odd things like pentacopters, cars and other noise.
- Web GUI without installation available at https://kiss-ultra.com/
- OSD Mirror https://youtu.be/aUqtCTAt8ik
- Native support of Apple Silicon


Abbreviations:
KISS - Keep It Super Simple
FCFC - Fedor Commander Flight Controller

In the box:
Kiss FCFC Ultra mini v3
8-8 cable
8-6 cable (legacy)