klipper/docs/Config_Changes.md

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This document covers recent software changes to the config file that
are not backwards compatible. It is a good idea to review this
document when upgrading the Klipper software.
All dates in this document are approximate.
# Changes
20190322: The default value for "driver_HEND" in [tmc2660] config
sections was changed from 6 to 3.
20190310: The [controller_fan] config section now always takes a name
(such as [controller_fan my_controller_fan]).
20190308: The "driver_BLANK_TIME_SELECT" field in [tmc2130] and
[tmc2208] config sections has been renamed to "driver_TBL".
20190308: The [tmc2660] config section has changed. A new
sense_resistor config parameter must now be provided. The meaning of
several of the driver_XXX parameters has changed.
20190228: Users of SPI or I2C on SAMD21 boards must now specify the
bus pins via a [samd_sercom] config section.
20190224: The bed_shape option has been removed from bed_mesh. The
radius option has been renamed to bed_radius. Users with round beds
should supply the bed_radius and round_probe_count options.
20190107: The i2c_address parameter in the mcp4451 config section
changed. This is a common setting on Smoothieboards. The new value is
half the old value (88 should be changed to 44, and 90 should be
changed to 45).
20181220: Klipper v0.7.0 released