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Version 1.5.3

New features

  • Includes all software less than 1MB in size in the REV Hardware Client installer
  • Adds alternative installers for offline use that bundle all available software, or all software that applies to just FTC or just FRC


  • Makes it so that downloading software and checking for updates now apply to all users on a computer
  • Improves performance when checking for updates with large software updates downloaded
  • Improves SPARK MAX fault names

Bug fixes

  • Fixes issue where SPARK MAX limit switch polarities would be displayed incorrectly
  • Fixes issue where selecting a DFU device's type would not work
  • Fixes issue where non-CAN devices would not disappear when unplugged
  • Fixes issue where the recovery device type selection menu was not working
  • Improves error message when checking for REV Hardware Client updates while offline

Version 1.5.2

SPARK MAX Improvements

  • Fixes safety issue when stopping a motor that was running in Position or Smart Motion mode
  • Fixes issue where the motor direction applied via the Run tab would be incorrect for an inverted SPARK MAX, making it appear that the inverted mode was broken
  • Fixes error when changing SPARK MAX parameters on the Advanced tab under certain conditions
  • Fixes issue where a SPARK MAX connected via USB would not disappear after being unplugged after a firmware update

MAXSwerve Drive Utility Improvements

  • Sorts MAXSwerve drive configurations by when they were last accessed
  • Adds button for each selected SPARK MAX that makes the device blink momentarily
  • Makes SPARK MAXes blink momentarily when they are assigned a role in a MAXSwerve drive
  • Makes the turning SPARK MAX blink momentarily when a MAXSwerve module's calibration tool is opened
  • Fixes issue where the list of CAN IDs selectable in the MAXSwerve Drive Utility wouldn't be updated after changing a SPARK MAX's CAN ID
Improves the experience of updating to future REV Hardware Client versions
  • It is now safe to navigate away from the About tab while the update is downloading

Version 1.5.1

  • Adds new MAXSwerve Drive Utility to the top-level Utilities tab
    • Current version is a beta, additional features are planned
    • Displays position of each MAXSwerve module's wheel
    • Allows all modules to be easily calibrated in one place
    • Detects configuration issues with the SPARK MAXes being used for MAXSwerve
    • Supports exporting and importing MAXSwerve drive configurations, so that the utility can be used on multiple computers without having to re-select the options
  • Fixes infinite spinner after restoring SPARK MAX factory defaults
  • Increases the number of decimal places shown for the zero offset on the `AbsoluteEncoder` tab, making the result suitable for pasting into your robot program
  • After the Absolute Encoder zero offset has been set, the icon that indicates that a parameter has been modified and needs to be burned to flash is now displayed

Version 1.5.0

General Improvements
  • Upgrades Chart.js to improve performance and appearance of the charts
  • Makes minor UI improvements
SPARK MAX Improvements
  • Adds support for duty cycle absolute encoders, including a new AbsoluteEncoder tab
  • Adds MAXSwerve getting started and module calibration guides to the AbsoluteEncoder tab
  • Adds support for configuring position PID wrapping
  • Adds support for configuring hall sensor velocity calculation
  • Updates SPARK MAX kFeedbackSensorPID0 to use a dropdown instead of numeric values for clearer selection of types of sensors
  • Fixes issue where a SPARK MAX could not be configured to follow another SPARK MAX with an ID higher than 15
  • Allows running SPARK MAXes connected via the CAN bus without having to also run the SPARK MAX connected directly via USB
Pneumatic Hub Improvements
  • Exposes additional telemetry values from the Pneumatic Hub
Control Hub and Expansion Hub Improvements
  • Fixes issue where updating Control/Expansion Hub firmware through a Control Hub more than once would fail

Version 1.4.3

  • Fixes reported solenoid current values from Pneumatic Hubs
  • Adds detailed hardware fault reporting for Pneumatic Hubs and Power Distribution Hubs
  • Fixes issue where entries in exported CSV files were in the incorrect order (newest to oldest)
  • Prevents the "Report an Issue" form from being dismissed accidentally

Version 1.4.2

  • Fixes updating SPARK MAXes over the CAN bus
  • Adds support for restoring Driver Hubs that get stuck on the REV logo
  • Adds support for TensorFlow Lite models, sounds, and external libraries to the Control Hub backup feature
  • Updates bundled version of ADB

Version 1.4.1

  • Fixed setting the CAN ID of a SPARK MAX

Version 1.4.0

  • Adds support for the Power Distribution Hub and the Pneumatic Hub
  • Renames "Hub Firmware" to "Expansion/Control Hub Firmware"
  • Renames "Fatal" log event type to "Assert" in the FTC Log Viewer
    • Hides Assert events by default
  • Allows longer filenames in the FTC log file selector
  • Fixes various bugs

Version 1.3.0

General Improvements
  • Adds FTC log viewer utility
    • Can load log files directly from supported devices, or from anywhere on the user's computer
    • Allows users to easily filter, search, and sort events parsed from log files
    • Graphs the occurrence of important robot issues, and their corresponding timestamps
    • Supports match, robot controller, driver station, Wi-Fi, and updater logs
  • Shows release notes for client even when an update is not available
  • Scales telemetry graph ranges automatically when using default ranges
  • Fixes issue with devices showing up multiple times when changing CAN IDs
  • Shows update progress for all devices that are updating simultaneously
  • Updates users to the latest available client version when removing a software channel
  • Other minor bug fixes
Control Hub Improvements
  • Improves stability of the connection to a Control Hub
  • Includes program and manage logs with Control Hub diagnostic data sent to REV
SPARK MAX Improvements
  • Fixes issue with SPARK MAX analog telemetry
  • Improves SPARK MAX parameter fields
  • Fixes issue where a SPARK MAX in recovery mode could not be updated on some computers
  • Adds interface to run multiple SPARK MAX devices
  • Adds simplified support for configuring follower mode (currently limited to following another SPARK MAX)
  • Shows a dropdown for the Alternate Encoder -> kDataPortConfig parameter

Version 1.2.0

General Improvements
  • Allow installing previous versions of software
  • Show client updates are available more subtly
  • Reconnect to ADB if it resets
  • Show manufacturer names for generic android devices
  • Fixes issues with Control Hub and Expansion Hub firmware falsely saying out of date
  • Other minor bug fixes
Control Hub Improvements
  • Shows warning when the Control Hub internal communication is not responding
  • Shows warning when Control Hub webserver is not running
  • Full screen mode for Program and Manage Tab
  • Prompts to backup Control Hub data if backup on file is over a week old
  • Confirmation now required to restore backed up files
  • Fix issues with not all files being restored
SPARK MAX Improvements
  • Fixed bug where Alternate Encoder telemetry data was displaying incorrectly
  • Allow for complete Factory Reset of all parameters on SPARK MAX
  • Disabled setting of parameters that have no effect in current configuration
  • Fixed bug where the Client would turn white on selecting SPARK MAX

Version 1.1.0

  • Adds support for SPARK MAX and other CAN devices
  • Allows for updating SPARK MAX devices, installing APIs, running motors, and viewing data from the SPARK MAX and its motor.
  • Shows all recognized devices on a CAN bus, and the data that is sent on the bus

Version 1.0.0

  • Original Release