Thermometer Firmware Update HistoryUpdated a month ago
We’re always improving the Predictive Thermometer. Firmware updates help us unlock new features, improve performance, and resolve issues, all without needing to change your hardware. Here's a detailed history of updates, starting with the most recent.
💡 Tip: To get the latest features and fixes, make sure your app is up to date, and you’ve installed all available firmware updates for your Thermometer, Display, and Booster.
August 2026 (v2.4.0)
- Second-generation thermometers now report that they transmit at higher radio power, so the app, the Display and the Gauge can judge how close a thermometer is more accurately.
- Arrives with Combustion app v3.3.0 (iOS) or v3.3.8 (Android) or newer.
November 2025 (v2.3.3)
- Probe high/low alarms
- New “silence alarms everywhere” command
July 2025 (v2.2.3)
- Improved OTA update reliability
April 2025 (v2.2.1)
- Added "Always On Mode"
- Added Reset Thermometer command
- Switched back to EWMA prediction model for more consistent results
- Resolved update completion issues
January 2025
- Fixed bug causing disappearing predictions
- Addressed random disconnects during cooking
December 2024
- Added support for 2nd-generation thermometer
- Improved Bluetooth communication stability
July 2024
- Launched SafeCook™: tracks bacterial destruction using multiple sensors, not just core temperature
- CPT will remember your most recent SafeCook settings when being put back in the charger
- Better overall prediction performance
- New cook mode detects low+slow cooking
- More accurate “time to cook” predictions (5%-100%) during low+slow
- “Time to cook” predictions can be up to 24hrs
- Prevents erratic prediction behavior during low+slow (bug fix)
March 2024
- Raised the overheat limit to 600ºF (315ºC)
January 2024
- Introduced new physics engine (Phase 1)
- Updated probe firmware to version 1.5.1
- Improved speed of initial predictions
December 2023
- USDA Food Safe feature added
- Added support for time-at-temperature safety standards
Earlier Updates
- Improved moisture resistance during standby
- Updated charger behavior
- Better handling of environmental conditions like meat juices or wet surfaces
Still have a question?
If an update will not apply, or a tool behaves differently after one, Firmware Updates: Complete Guide has the full update procedure, and Combustion App: Troubleshooting Guide covers app problems.
Otherwise, email [email protected] and tell us which tool, which version you are on, and what you are seeing.
Related Articles:
Release Notes and Update History
Display Firmware Update History
Booster Firmware Update History
[Related keywords: thermometer firmware, probe firmware, cpt firmware, predictive thermometer firmware, firmware version, firmware history, firmware update history, thermometer changelog, thermometer release notes, latest thermometer firmware, current firmware version, what firmware am i on, update my thermometer, update probe firmware, 2.4.0, 2.3.3, high low alarms, silence alarms, always on mode, reset thermometer, safecook, prediction, gen 2 probe, second generation probe, probe v2, [email protected]]