README: Remove references to "make axtls", it's no longer needed.
README: Remove text about selecting different ports in the docs.
py/unicode: Fix check for valid utf8 being stricter about contn chars.
stm32/adc: Add ADC auto-calibration for L4 MCUs.
stm32/flashbdev: Add missing include for irq.h.
unix/modos: Rename unlink to remove to be consistent with other ports.
tests/io: Update tests to use uos.remove() instead of uos.unlink().
tools/pydfu.py: Improve DFU reset, and auto-detect USB transfer size.
stm32/servo: Only initialise TIM5 if it is needed, to save power.
stm32/usb: Fully deinitialise USB periph when it is deactivated.
stm32/powerctrl: Move (deep)sleep funcs from modmachine.c to powerctrl.c
stm32/powerctrl: Disable IRQs during stop mode to allow reconfig on wake
esp32/mpthreadport: Prevent deadlocks when deleting all threads.
esp8266/ets_alt_task: Process idle callback if no other events occurred.
esp8266/modnetwork: Automatically do radio sleep if no interface active.
extmod/modlwip: Implement TCP listen/accept backlog.
stm32/boards/STM32F429DISC: Enable UART as secondary REPL.
extmod/modlwip: Fix read-polling of listening socket with a backlog.
py/py.mk: Fix broken Gmane URL.
esp8266/modnetwork: Wait for iface to go down before forcing power mgmt.
py: Add option to reduce GC stack integer size to save RAM.
stm32,esp8266,cc3200: Use MICROPY_GC_STACK_ENTRY_TYPE to save some RAM.
stm32/uart: Always show the flow setting when printing a UART object.
stm32/mboot: Provide led_state_all function to reduce code size.
stm32/mboot: Add support for 4th board LED.
stm32/boards: Add configuration for putting mboot on PYBv1.x.
stm32/powerctrl: Add support for standby mode on L4 MCUs.
stm32/uart: Add rxbuf keyword arg to UART constructor and init method.
esp32/machine_uart: Add txbuf/rxbuf keyword args to UART construct/init.
esp8266/machine_uart: Add rxbuf keyword arg to UART constructor/init.
stm32/boards: Add STM32L432KC chip configuration files.
stm32: Add peripheral support for STM32L432.
esp32/machine_uart: Implement UART.sendbreak() method.
esp32/machine_pwm: On deinit stop routing PWM signal to the pin.
esp32/modmachine: Enable machine.sleep() now that the IDF supports it.
py/objboundmeth: Support loading generic attrs from the method.
py/obj: Add support for __int__ special method.
tests/basics/special_methods: Add testcases for __int__.
extmod/moductypes: Implement __int__ for PTR.
tests/extmod/uctypes_ptr_le: Test int() operation on a pointer field.
tests/extmod/uctypes_error: Add test for unsupported unary op.
extmod/moductypes: Add aliases for native C types.
py/objexcept: Use macros to make offsets in emergency exc buf clearer.
stm32: Split out UART Python bindings from uart.c to machine_uart.c.
stm32/uart: Factor out code from machine_uart.c that computes baudrate.
stm32/uart: Rework uart_get_baudrate so it doesn't need a UART handle.
py/objexcept: Make sure mp_obj_new_exception_msg doesn't copy/format msg
stm32/uart: Factor out code to set RX buffer to function uart_set_rxbuf.
stm32/uart: Remove HAL's UART_HandleTypeDef from UART object struct.
stm32/uart: Simplify deinit of UART, no need to call HAL.
stm32/uart: For UART init, pass in params directly, not via HAL struct.
stm32/uart: Move config of char_width/char_mask to uart.c.
stm32/uart: Add ability to have a static built-in UART object.
teensy: Add own uart.h to not rely on stm32's version of the file.
docs/README: Remove references to MICROPY_PORT when building docs.
nrf/bluetooth: Update BLE stack download script.