v1.3.6
Arduino:
Fix problems with detection of SPI_HAS_TRANSACTION define affecting a number of platforms including Arduino Uno, ESP32, STM32 etc. Problems getting the driver working or working along with other SPI devices should be resolved with this update.
Linux:
Update Linux SPI drivers to support setting the SPI speed in HZ. RF24 radio(22,0,8000000); will configure a speed of 8Mhz or users can modify RF24_config.h #define RF24_SPI_SPEED to set a default for all devices.