FBX2 Series Version History

Release Notes

v4.3.0

NOTE: This version is currently being tested by the FireBoard Beta Program.

• NEW: Added an OTA update progress indicator.
• Improved overall speed and responsiveness of the device.
• Improved time it takes to establish a connection to a Wi-Fi network.
• Fixed a bug introduced in v4.2.x prevented connection to a hidden Wi-Fi network.
• Fixed various other minor bugs.

v4.2.31

• Fixed a bug where a FireBoard Beacon’s was not applying external probe offsets when configured.

v4.2.30

• Fixed a bug introduced in v4.2.0 – v4.2.26 where FireBoard Drive would not run below 30% speed when set to Large Fan Mode.

v4.2.29

• (Internal changes only)

v4.2.28

• Fixed a rare crash introduced in v4.2.0 – v4.2.26.

v4.2.27

• (Internal changes only)

v4.2.0 – v4.2.26

• NEW: Added support for connecting to WPA3 Wi-Fi networks.
• Fixed a bug where Drive Fan speeds could be a negative percentage.
• Improved interactions with Beacons when Wi-Fi is unavailable.
• Improved interactions with FireBoard Cloud when on slow or unreliable connections.
• Improved the accuracy of battery capacity calculations.
• Changed the font size of Large View to be consistent with the Pellet Start and Pellet Main screens.

v4.1.19

• (Internal changes only)

v4.1.18

• Improved analytics.

v4.1.17

• Fixed a bug where the Drive > Control Settings sub-menu allowed an FBX2K to select from up-to 6 Control Channels instead of 3.

v4.1.16

• Fixed a bug where configuring an offset for a Beacon’s external temperature probe would result in an incorrect offset value if degree type is set to Fahrenheit.
• Improved the memory efficiency of each paired Beacon / Pulse.
• Improved the responsiveness of the Pellet Controller’s Control Knob in some cases.

v4.1.15

• Fixed one cause of random crashes, related to I2C and external PSRAM. (Note:
  this crash is most likely to occur during the first minute of operation.)
• Reverted a change to the S1G Antenna accessory behavior introduced in v4.1.11.

v4.1.14

• Fixed a regression preventing the change of S1G device settings (e.g. Beacon
  transmission interval) introduced in v4.0.0.
• Changed the way Pulse battery percentage is calculated.
• Changed the way FBX2 battery voltage is calibrated.

v4.1.11 – v4.1.13

• Stability improvements.

v4.1.10

• Fixed memory leak in cloud connection TLS failures. May have caused crashes
  over many hours of poor Wi-Fi conditions.

v4.1.9

• Fixed Pellet Controller performance issues.
• Fixed Pellet Controller potential random crashes.

v4.1.8

• Updated ‘Black Earth Built-In’ Pellet Controller profile.

v4.1.7

• Upgraded autofill implementation to reduce peak RAM usage. May have caused
  crashes if device was running but offline for a long period of time.

v4.1.6

• Fixed memory leak in connectivity test failures. May have caused crashes
  over many hours of poor Wi-Fi conditions.

v4.1.5

• Upgraded filesystem implementation for performance improvements.

v4.1.4

• Fixed truncation in Pulse data.
• Fixed factory-reset reverting firmware version if there is a previous version.
• Fixed OTA being prevented if drive fan is removed before setting to "OFF" mode.
• Prevent reset because of Wi-Fi failures while drive is running.

v4.1.3

• Fixed some crash conditions.

v4.1.2

• Fixed menu not accessible from Pellet Start screen.
• Re-enabled ability to ignite with top button.
• Fixed crash condition on Tile View when a Pulse is unpaired.
• Fixed crash condition on Large View when a Pulse is unpaired.
• Fixed crash condition on RF Table View when a Pulse is unpaired.
• Fixed crash condition on Channel / Device Info Screen when a Pulse is unpaired.
• Fixed RF Table View visual bug where unpairing the last RF device does not update the UI.
• Changed required number of RF devices to access RF Table View, 3 -> 1.

v4.1.1

• Fixed battery capacity readings on FBX2K for December 2025 build.

v4.1.0

• Added Pulse support in Drive.
• Added Pulse support in Drive Programs.
• Added Beacon support in Graph View.
• Added Beacon support in Tile View.
• Added Beacon support in Large View.

v4.0.1

• (Internal changes only)

v4.0.0

See a detailed blog post about this update here!

• Removed Multi-Channel Graph View.
• Removed Drive Program View.
• Removed S1G Quadrant View.
• Updated Graph View, Tile View, and Large View to be populated by active channels only.
• Updated Graph View to incorporate more screen area into the graph.
• Updated Graph View to show loading status and improved load speeds.
• Updated the graph representation in Tile View.
• Updated some common fonts.
• Added full support for FireBoard Pulse.
• Added a new UI view-title that is shown briefly when switching between views.
• Added a new UI header that gives an overview of active channels, toggle-able in View Settings.
• Added a new Paging feature for views when there are more active channels than can be displayed at once.
• Added a new INFO Screen for individual active channels, accessed by pressing the bottom button while on Large View. This contains extra information for devices like Pulse and Beacon.

v3.6.6

• Added a new Pellet Controller profiles for Cookshack.
• Added a new Pellet Controller feature High/Low-Temperature PID Transition.

v3.6.5

• Fixed a bug where having a Wi-Fi connection without a connection to fireboard.io may cause a crash.

v3.6.4

• Fixed a bug where certain Wi-Fi AP conditions in the area can cause repeated crashes.

v3.6.3

• (Internal changes only)

v3.6.2

• Added a safety check for bad OTA updates and automatically rollback.

v3.6.1

• Fixed temporary sluggishness on startup introduced by v3.6.0.
• Added more diagnostic tools to firmware.

v3.6.0

• Added support for initial Pulse prototype.
• Added support for latest S1G Antenna firmware.

v3.5.35

• Updated Pellet Controller Lonestar profile.

v3.5.34

• Updated Pellet Controller Lonestar profile.

v3.5.31 – v3.5.33

• (Internal changes only)

v3.5.30

• Enabled BLE scanning for FireBoard Pulse.
• Updated FireBoard logo displayed on startup.

v3.5.29

• Added new feature in RF Table View, custom names.

v3.5.22 – v3.5.28

• (Internal changes only)

v3.5.21

• Updated Pellet Controller Lonestar profiles.

v3.5.20

• (Internal changes only)

v3.5.19

• Fixed a bug where FireBoard Beacon custom names would stop displaying after a long time.

v3.5.18 – v3.5.1

v3.5.0

• Added full support for FireBoard Beacon.

v3.4.5

• Back-ported remote crash reporting.

v3.4.4

• Recompiled with older toolchain to fix stability issues in v3.4.0 – v3.4.3.

v3.4.3

• Updated the refresh rate for v2 LCD, ~75Hz -> 80Hz.
• Updated the TLS client from v1.1 -> v1.2.

v3.4.2

• Fixed a bug introduced in 3.4.0 where temperature related logs only send the first channel.

v3.4.1

• Optimized drive related logging.

v3.4.0

• Fixed multiple memory related bugs.
• Improved autofill speed by 450%.
• Improved Pellet Controller state recovery.
• Optimized temperature related logging.
• Updated the Pellet Controller profiles for Black Earth model grills.
• Added a new Pellet Controller profile for a new Black Earth grill model.

v3.3.5

• Back-ported remote crash reporting.

v3.3.4

• Updated the TLS client from v1.1 -> v1.2

v3.3.3

• Added new Night Mode feature.

v3.3.1 – v3.3.2

• (Internal changes only)

v3.3.0

• Added support for a new LCD variation.

v3.2.14

• Back-port remote crash reporting.

v3.2.10 – v3.2.13

• (Internal changes only)

v3.2.9

• Fixed a visual bug on the INFO Screen.
• Fixed a memory related bug.

v3.2.8

• Updated the Pellet Controller Ironside profile.

v3.2.7

• Improved the logic for drive ignition state.

v3.2.6

• (Internal changes only)

v3.2.5

• Updated the Pellet Controller Ironside profile.

v3.2.4

• (Internal changes only)

v3.2.3

• Fixed a bug with Pellet Controller where the ignite failure error would always appear after a recovery due to temperature not being loaded yet.

v3.2.2

• Fixed a bug where pellet pit offset was not being applied to stored temperature data.

v3.2.1

• Added 2 new Pellet Controller Lone Star profiles.
• Added a new Pellet Grill Service Screen which allows a user to reset the grill profile and EEPROM.

v3.2.0

• Updated Pellet Controller Manual Mode minimum from 0% to 1%.
• Added Pellet Controller pit probe offset to Pellet Settings Screen.
• Prevent the user from changing the Manual Mode set-speed during Startup and Ignition.

v3.1.49

• Updated Pellet Controller Lone Star profiles.
• Added a safety check for Pellet Controller pit probe failures.
• Added a safety check for ignoring OTA updates while in Pellet Controller Manual Mode.
• Fixed multiple bugs related to drive Manual Mode.

v3.1.47 – v3.1.48

• (Internal changes only)

v3.1.46

• Updated the Pellet Controller profiles for Cletus 3.1.
• Updated the Pellet Controller profiles for Lone Star.
• Updated the Pellet Controller profiles for Black Earth.
• Added a new drive feature Setpoint Confirmation.
• Added a new Pellet Controller feature Control Channel.
• Added a new Pellet Controller feature Manual Mode.
• Added a safety check for Ignition failure detection.
• Improved Pellet Controller PID algorithm.

v3.1.20 – v3.1.45

• (Internal changes only)

v3.1.19

• Added a momentary highlight on a menu item when it is selected using the on-board side buttons.

v3.1.18

• Improved the responsiveness of on-board side buttons.

v3.1.13 – v3.1.17

• (Internal changes only)

v3.1.12

• Improved Lid Detect algorithm.
• Improved PID algorithm.
• Modified PID default settings for Pellet Controller.

v3.1.9 – v3.1.11

• (Internal changes only)

v3.1.8

• Added new advanced temperature filters.

v3.1.6 – v3.1.7

• (Internal changes only)

v3.1.5

• Added new basic temperature filter.

v3.1.2 – v3.1.4

• (Internal changes only)

v3.1.1

• Improved long-term firmware stability.

v3.1.0

• Added a new Pellet Controller feature Reignite.
• Added a new Pellet Controller pit probe calibration curve for low-temperature situations.
• Fixed a visual bug when leaving INFO Screen.