TG Pro

Release Notes

If you're new to this app, learn more about TG Pro, or check out the full app tutorial to see how it all works.

System Compatibility Notes

For macOS 10.13 or newer, use the latest version: TG Pro 2.92

For older versions of macOS, here are the last compatible versions:
macOS 10.12: TG Pro 2.78
macOS 10.11: TG Pro 2.69
macOS 10.10: TG Pro 2.53
macOS 10.9: TG Pro 2.32

We are unable to offer older versions that work on 10.7 and 10.8 since they do not have support for TLS 1.2, which is required for secure transactions with Paddle, our licensing provider.

TG Pro 2.92

March 11, 2024

  • [New] Updated MacBook Air (13-inch, M3, 2024) identification to ensure accuracy, addressing an earlier mispublishing by Apple.
  • [Improvement] Enhanced error handling in the Paddle licensing process, including informative dialogs to prevent crashes in certain scenarios.
  • [Fixed] Resolved a diagnostic error on newer Mac models, ensuring normal shutdowns are no longer incorrectly flagged as issues.

TG Pro 2.91

March 9, 2024

  • [New] Introducing full support for both the 15-inch and 13-inch MacBook Air (M3, 2024).
  • [Improvement] Enhanced accuracy for the M3 CPU efficiency cores' temperatures.
  • [Improvement] Updated fan diagnostics wording for Macs without an internal fan.

TG Pro 2.90

February 23, 2024

  • [Fix] Resolved startup error issue on select macOS 11 systems.
  • [Improvement] Updated fan names from "Exhaust" to "Intake" for 2019 and 2023 Mac Pros, aligning with their front-case location.
  • [Improvement] Updated GPU temperature labeling from "GPU Cores" to "GPU Cluster" for M3, M3 Pro, and M3 Max, indicating measurements across multiple GPU cores.
  • [Improvement] Renamed "X58 IOH" to "X58 Northbridge" for 2009 and 2012 Mac Pros for clearer identification.
  • [Improvement] Enhanced temperature accuracy for Mac Pro models, substituting invalid PCI temperatures with the last known reliable value.
  • [Improvement] Improved temperature data consistency for M1 Pro & M1 Max MacBook Pros, replacing invalid GPU temperatures with the last cached accurate value.

TG Pro 2.89

November 18, 2023

  • [Fix] Resolved truncation issues in titles of certain temperature sections, such as Power Supply, Thunderbolt, and Logic Board, within the main window.
  • [Fix] Addressed a regression bug in GPU temperature readings on Apple Silicon models, correcting occasional inaccuracies (e.g., 5°C or 9°C readings).
  • [Improvement] Enhanced the GPU sensor list for M3, M3 Pro, and M3 Max models, ensuring more precise monitoring.
  • [Improvement] Improved system stability by registering the correct resource file for fan views in the dropdown menu, preventing potential crashes.
  • [Improvement] Upgraded the Paddle licensing service, enhancing launch reliability on macOS 11 Big Sur and overall performance.

TG Pro 2.88

November 18, 2023

  • [Fix] Resolved an issue where certain M3 Max systems continued to display incorrect CPU & GPU temperatures, a fix initially targeted in the previous release. This update ensures accurate temperature readings for all models equipped with this chipset.

TG Pro 2.87

November 18, 2023

  • [New] Added two additional airflow temperature readings for supported models.
  • [Improvement] Major breakthrough in temperature accuracy for the M3, M3 Pro, and M3 Max models, achieved after an extensive period of dedicated research and rigorous testing. We believe this update provides the most precise CPU & GPU temperature readings, overcoming complex challenges in determining the sensor mappings.
  • [Improvement] Updated logic for checking the fan helper connection, making it clearer for users to troubleshoot connection issues.
  • [Improvement] Improved wording for scenarios where hardware turns off the fans at low temperatures, providing a better understanding of how this affects fan control.
  • [Fix] Resolved an issue with inaccurate CPU or GPU temperature readings for M3 Max models.
  • [Fix] Fixed a display issue where "0 RPM" was shown instead of "Fans Off" in the status bar item.

TG Pro 2.86

November 10, 2023

  • [New] Introducing initial support for the new M3, M3 Pro & M3 Max based Mac models:
    • iMac (24-inch, 2023) (Identifier: Mac15,5)
    • iMac (24-inch, 2023) (Identifier: Mac15,4)
    • MacBook Pro (14-inch, Nov 2023) (Identifier: Mac15,3)
    • MacBook Pro (14-inch, Nov 2023) (Identifier: Mac15,6)
    • MacBook Pro (14-inch, Nov 2023) (Identifier: Mac15,8)
    • MacBook Pro (14-inch, Nov 2023) (Identifier: Mac15,10)
    • MacBook Pro (16-inch, Nov 2023) (Identifier: Mac15,7)
    • MacBook Pro (16-inch, Nov 2023) (Identifier: Mac15,9)
    • MacBook Pro (16-inch, Nov 2023) (Identifier: Mac15,11)

TG Pro 2.85

October 28, 2023

  • [Improvement] Refined the phrasing of error messages when either the username or password field is left empty for email notifications.
  • [Improvement] Strengthened the resilience of the code responsible for monitoring drive temperatures via SMART, reducing the likelihood of crashes.
  • [Improvement] Enhanced external USB drive identification. Rather than displaying a generic label like "USB 3.0", it will now present the specific model name.
  • [Improvement] Updated the Paddle licensing framework to ensure optimal support for macOS 14 Sonoma and improve the in-app checkout process.
  • [Fixed] For legacy Intel Macs: In the event of an unexpected app termination during fan control, it will only attempt to restore the correct min RPM if the saved value is deemed valid.
  • [Fixed] Introduced a placeholder for the current fan speed data when unavailable, preventing a potential crash.

TG Pro 2.84

September 25, 2023

  • [New] Introduced real-time fan speeds in the drop-down menu for quick RPM reference.
  • [Improvement] Adjusted main window dimensions to prevent scroll bar appearance when fans are displayed vertically. It now accommodates up to two fans without requiring a scroll bar.
  • [Improvement] Enhanced the visibility and usability of the lock fan speeds button in Manual mode through improved sizing and color cues.
  • [Improvement] Refined text descriptions for sending a support package to clarify what is included and excluded.
  • [Improvement] Updated some of the dialog contents for greater clarity and ease of understanding.
  • [Fixed] Addressed stability issues on macOS 14 Sonoma when accessibility features like VoiceOver are enabled and fan speed sliders are used from the drop-down menu.
  • [Fixed] Crash related to Paddle licensing services returning an invalid license code.

TG Pro 2.83

September 7, 2023

  • [Improvement] Optimized wording for temperature alert messages.
  • [Improvement] Removed fan notification settings for hardware lacking built-in fans.
  • [Improvement] Excluded fan references in temperature alerts for hardware without built-in fans.
  • [Improvement] Enhanced application-wide logging to facilitate troubleshooting of future issues.
  • [Fixed] Revised the link to the SMART explanation for disk temperatures, following changes on Wikipedia.
  • [Fixed] Rectified a sizing anomaly in the settings window, which allowed unintended resizing.
  • [Fixed] Corrected an issue where fan names might not properly update in the Menu Bar settings tab.
  • [Fixed] Solved an issue where, on Intel-based Macs with active CPU Throttle Fix, switching back to System fan mode did not remove the fan-boosting message or reset the fan speeds.
  • [Fixed] Resolved a 403 error encountered while uploading support packages on macOS 14.
  • [Fixed] Implemented a workaround to mitigate crashes on macOS 14 related to fan name or speed updates.
  • [Fixed] Addressed an issue on macOS 14 that could cause unresponsiveness and display of the beach ball cursor when clicking the menu bar item.

TG Pro 2.82

June 18, 2023

  • [New] Introduced support for the latest Mac Pro (2023) M2 Ultra.
  • [Fixed] Addressed an issue that caused an error message to display on macOS 13 when the 'auto-launch on login' option was disabled.

TG Pro 2.81

June 13, 2023

  • [New] Introduced initial support for the latest 15-inch MacBook Air, Mac Studio M2 Max, and Mac Studio M2 Ultra.
  • [Improvement] Enhanced macOS 13 compatibility by implementing an alert feature for errors encountered while adding TG Pro to the login items list.
  • [Improvement] Introduced a toggle in the Updates settings tab for user control over automatic update downloads.
  • [Improvement] Added extra logging functionality during update checks and downloads.
  • [Fixed] Resolved an issue on MacBook Pro (14-inch, 2021) that could momentarily display an incorrect GPU temperature.
  • [Fixed] Corrected the naming order of the Thunderbolt ports on the Mac Studio M1 Ultra (2022), affecting both the front and back ports.

TG Pro 2.80

April 4, 2023

  • [New] We've urgently built our own activation servers to enable TG Pro license activation for users in Nicaragua, Kazakhstan, Myanmar, Russia, Belarus, and potentially other countries, as our licensing provider, Paddle, unexpectedly blocked access without prior notice. Upon discovering the issue, we immediately started working on a solution, and this update now resolves the unintended lockout and restores full functionality for affected customers. However, due to global sanctions, new license purchases are still unavailable for users in Russia and Belarus.
  • [New] The license transfer feature now automatically populates the license code and email fields, eliminating the need for manual re-entry.

TG Pro 2.79

March 25, 2023

  • [New] TG Pro now requires macOS 10.13 or above, as the updated Paddle licensing framework has raised the minimum OS requirement.
  • [New] Added new feature to deactivate the oldest install and transfer it to a new Mac. This is automatically shown when trying to activate using a license key that's at the maximum number of activations.
  • [New] Added new option to set a global hotkey for opening/closing the drop down menu using a keyboard shortcut.
  • [Improvement] On macOS 13 and up it now shows "Settings" instead of "Preferences".
  • [Improvement] Updated the label for the option to show if the menu bar item is hidden to be clear that it checks on app startup.
  • [Improvement] Added extra logging when installing the fan helper app to assist with any potential support issues.
  • [Fixed] Issue where the Auto Boost gradual time text field would move up if the window was expanded.

TG Pro 2.78

January 31, 2023

  • [New] Improved the CPU temperature reporting for the new M2 Pro/M2 Max models when the usage is low so the UI can continue to update properly.
  • [New] Added support for the 8-core M2 and 10-core M2 Pro versions of the Mac mini.
  • [New] Added two logic board sensors for the new Mac mini.
  • [New] Added two memory sensors for the new Mac mini.

TG Pro 2.77

January 24, 2023

  • [New] Added initial support for the new M2, M2 Pro and M2 Max based Macs:
    • MacBook Pro (14-inch, 2023)
    • MacBook Pro (16-inch, 2023)
    • Mac mini (2023) with M2
    • Mac mini (2023) with M2 Pro

TG Pro 2.76

December 19, 2022

  • [New] Added alternate code to get the iMac GPU temperature for cases where it wouldn't normally work (ex: the GPU was replaced).
  • [New] Added an informational message when enabling the option to get drive temperature using SMART.
  • [Fixed] Issue where getting the last shutdown code would cause a CPU spike due to multiple log processes running simultaneously.
  • [Fixed] Issue where some shutdown reasons wouldn't trigger the color to change in the diagnostics.

TG Pro 2.75

November 28, 2022

  • [New] Added alert and instructions on how to fix the fan helper being unavailable, specifically on macOS 13 if it hasn't been enabled in the System Settings.
  • [New] Improved the logic for determining if the connection to the fan helper app was successful.
  • [Fixed] Potential crash in rare cases when the GPU has been changed (ex: in an older iMac).

TG Pro 2.74

November 16, 2022

  • [New] Added a text field for both the app update interval and the Auto Boost gradual time so it's easier to use. It now shows the number of seconds chosen along with the option to type in the value.
  • [New] Updated the AppCenter framework which is used to report crashes (it still does not send any analytics or usage data).
  • [Fixed] Potential crash when checking the last shutdown reason.
  • [Fixed] Only log a single console message if the log file can't be created, instead of every time it's written to.
  • [Fixed] Issue where the upgrade from Temperature Gauge (TG) may not have been automatically detected.

TG Pro 2.73

October 19, 2022

  • [New] Adjusted percentage allowed for Auto Boost rules to be 0-100%.
  • [New] Added logic so that if there is a difference between the goal and actual speed when using Auto Boost mode, it will adjust it.
  • [New] Added more detailed logging related to the Auto Boost feature to help diagnose any future issues. Note: This is only used if the "Extra logging" option is enabled in the app preferences.
  • [New] Moved the "Enclosure Ambient" sensor from the Logic Board to Enclosure area.
  • [Fixed] Issue when using Auto Boost, the minimum RPM speed could change to an incorrect value due to a rounding bug (Intel, non-T2 models only).
  • [Fixed] Issue when using Auto Boost on a Mac with multiple fans that the rules could get into a state where they wouldn't be activated.
  • [Fixed] Issue where the current GPU name may not have been listed until it changed (for Intel models that have discrete & integrated graphics).
  • [Fixed] Crash when running macOS 11 inside a Parallels VM.

TG Pro 2.72

August 27, 2022

  • [New] Added extra step to ensure that TG Pro isn't suddenly terminated on system shutdown.
  • [Fixed] Issue where the minimum fan speed could be set incorrectly on non-T2 Intel based Macs. This also includes restoring the values on app startup if necessary.
  • [Fixed] Issue where the Open Login Items button would not work properly on macOS 13 if the alert was shown.

TG Pro 2.71

July 15, 2022

  • [New] Added full support for the MacBook Air (M2, 2022).
  • [New] Improved support for macOS 13.
  • [Fixed] Issue where it would always prompt to install the fan helper on macOS 13, even if it was up-to-date.
  • [Fixed] Issue where on some M1 Pro/Max/Ultra and M2 models the GPU temperature would incorrectly show 5℃ or 104℃.

TG Pro 2.70

June 26, 2022

  • [New] Added full support for the MacBook Pro (13-inch, M2, 2022).
  • [New] Added additional way to check for the last shutdown reason for newer models.
  • [Fixed] Issue where the menu bar icon may have been blurry. It will now be sharp for any screen resolution.
  • [Fixed] Updated the Paddle framework used for licensing. This should resolve the rare issue of a license disappearing after a system restart.
  • Note: TG Pro now requires macOS 10.12 or higher due to the Paddle licensing framework update.

TG Pro 2.69

April 13, 2022

  • [New] Substantial performance increase when resizing or viewing the main window (GPU usage has been reduced to almost zero percent).
  • [Fixed] Issue where if hard drive temperatures using SMART was enabled and an external disk was plugged in after TG Pro was launched, it wouldn't show the temperature.
  • [Fixed] Issue where the menu bar item hidden dialog was appearing when it shouldn't have.
  • [Fixed] Issue where the fans would show as having issues on the Mac Studio when they were working properly.
  • [Fixed] Issue where the Manual or Auto Boost fan control would stop working until switching to the System mode and back. There is now an extra safeguard to ensure that TG Pro maintains fan control in these cases.
  • [Fixed] Issue where the Auto Boost rules would be paused while the drop down menu was visible.

TG Pro 2.68

March 20, 2022

  • [New] On the Mac Studio with M1 Ultra it now shows the temperatures for the front two Thunderbolt ports as well as the rear four.
  • [Fixed] Issue where the extra CPU cores weren't showing up on the Mac Studio with M1 Ultra. It now shows all 16 Performance and 4 Efficiency core temperatures.
  • [Fixed] Issue where invalid GPU temperatures for the Mac Studio weren't being filtered out.

TG Pro 2.67

March 19, 2022

  • [New] Added full support for the 2022 Mac Studio with either M1 Max or M1 Ultra.
  • [Fixed] Issue where some longer fan names would get cut off at the end.
  • [Fixed] Issue where the 14-inch MacBook Pro with 8 CPU cores was showing the wrong number.
  • [Fixed] Issue where the fan controls weren't aligned properly with the temperatures in the drop down menu.

TG Pro 2.66

December 31, 2021

  • [Fixed] Issue where the menu item hidden alert would appear after a screensaver was activated or if the menu bar was set to auto hide.
  • [Fixed] Issue where some text was cutoff in the upload support package dialog.

TG Pro 2.65

December 29, 2021

  • [Fixed] Issue where the menu item hidden alert would appear when an app was in fullscreen mode.

TG Pro 2.64

December 27, 2021

Build 13115
  • [Fixed] Crash when opening app on macOS 10.11. This was related to a piece of new code, where a system call wasn't available on that version of macOS.
Build 13110
  • [New] Added feature to display an alert when the menubar icon/text is hidden. This can occur if there isn't enough room or it's obscured by the notch on the newer MacBook Pros. This can be toggled in the Application tab of the app preferences.
  • [New] Slightly improved performance on Intel based Macs.
  • [New] Added naming support for M1 Pro models with 14 GPU cores.
  • [Fixed] Issue where the colors in the menu bar icon weren't being displayed on macOS 11 and above.
  • [Fixed] Issue where the fan sliders may not have been synced properly.
  • [Fixed] Issue where the icon for optical drive sensors was missing on systems below macOS 11.
  • [Fixed] Issue where GPU temperatures may have shown 104C for M1 Pro / M1 Max models.
  • [Fixed] Issue where the Paddle licensing framework would occasionally loose the registered license after a system restart.

TG Pro 2.63

November 26, 2021

  • [Fixed] Issue where the memory amount would be incorrect for M1 Pro systems with 32GB of RAM.
  • [Fixed] Issue where the temperatures of some eGPUs would not be displayed, including the Blackmagic Radeon Pro 580.
  • [Fixed] Issue where the GPU temperature may still have shown 9℃ in some cases.
  • [Fixed] Issue where the chosen temperatures to display in the menu bar would get reset to Highest when using the Generic Sensor Mode (for Hackintosh builds).

TG Pro 2.62

November 18, 2021

  • [New] Improved support for the M1 Pro / M1 Max processors:
    • [Fixed] Issue where the GPU temperature would sometimes show 9℃.
    • [Fixed] Issue where with 64GB of RAM, the size of each memory bank was incorrect.
    • [Fixed] Issue where with 32 GPU cores, the number of cores in each GPU cluster was incorrect.
  • [Fixed] Issue where the menubar text may have been hard to see on a secondary display.
  • [Fixed] Issue where the active GPU would still be visible on app startup if the option was disabled.
  • [Fixed] Issue where the console logs would have too many entries if TG Pro couldn't connect to the fan helper app.
  • [Fixed] Potential crash on some Hackintosh systems if a sensor name was less than four characters.
  • [Fixed] Potential crash when getting the number of days left in a trial.

TG Pro 2.61

October 26, 2021

  • [New] Added support for the M1 Pro & M1 Max versions of the following models:
    • MacBook Pro (16-inch, 2021)
    • MacBook Pro (14-inch, 2021)
  • [Licensing] Updated the Paddle framework for improved macOS 12 Monterey support.

TG Pro 2.60

September 14, 2021

  • [New] Added Power Supply Proximity and SSD temperatures to M1 MacBookPro, MacBook Air and Mac mini.
  • [New] Added support for upcoming Mac models so they are partially supported at launch.
  • [Fixed] Issue where it was possible to get a false positive for the fans not spinning properly (ie: running at 0 RPM). It was a timing condition on app startup which is now resolved.
  • [Fixed] Crash if the value for the CPU Throttle Fix was cleared and focus was switched to another text field.

TG Pro 2.59

September 7, 2021

  • [New] Fan preferences pane is now vertically resizable so it's easier to view multiple rules at once.
  • [New] Fan diagnostics will now show a specific error message if a fan is at 0 RPM when it shouldn't be (ex: it has no power).
  • [New] Added Thunderbolt and Ethernet temperatures to most 27" iMac models.
  • [New] GPU slot name is now shown if it's available for Mac Pro models.
  • [New] Made it clearer for the 27" iMac models that the two logic board sensors labelled "Center Right Edge" are both actually in that location.
  • [Fixed] Issue where an incorrect temperature is no longer shown for Mac Pro systems with a Radeon Pro W6800X Duo card.
  • [Fixed] Issue where a 1x1 white pixel would appear in the bottom left of the screen after using the drop down menu.
  • [Fixed] Issue where the override system symbol would be cutoff in the menubar if only the app icon was displayed.
  • [Fixed] Issue where the GPU die naming suffix may not have been sequential for some Mac Pro setups.
  • [Fixed] Issue where the email support text was off-center in some dialogs.
  • [Fixed] Issue where one of the images in the click here popover wasn't displaying correctly in dark mode.
  • [Fixed] Issue where the trial over text wasn't visible in the menubar in dark mode.
  • [Licensing] Updated the Paddle licensing framework for improved macOS 12 Monterey support.

TG Pro 2.58

June 26, 2021

  • [New] macOS 12 Monterey compatibility!
  • [New] The app icon in menubar uses a nicer looking version on macOS 11 and up.
  • [New] On first launch, it now shows a helpful popover explaining how to use the menubar icon.
  • [Fixed] Issue when reinstalling the fan helper where it would fail in rare cases.
  • [Fixed] Issue where the width of the menubar icon on macOS 11 and up was too wide.
  • [Fixed] Issue where the menubar icon was shifted up too far on macOS 12.
  • [Fixed] Issue where Mac Pros with dual GPUs were only showing one GPU temperature.
  • [Fixed] Issue where the menubar text wasn't being greyed out on a secondary monitor if the app icon was enabled.
  • [Fixed] Issue where the divider between the temperatures in the menubar was black, when it should be white (ex: in dark mode).

TG Pro 2.57

June 8, 2021

  • [New] The status of the fan helper app, which is required for fan control is shown in the fan preferences. Only if there's an issue is a message is displayed along with the option to re-install it.
  • [Fixed] Issue where the fan preferences were shifted up on macOS 10.11 to 10.13.

TG Pro 2.56

June 1, 2021

  • [New] Added support for the M1 iMac (24-inch, 2021).
  • [New] Added preliminary support for eGPU and Mac Pro video cards. It will now show the temperatures for supported cards as well as the active GPU. See Apple's support page for a list of supported eGPU hardware.
  • [New] Added named fans for the Mac Pro (2019).
  • [New] Added better support for the MacBook Pro (15-inch, Mid 2012).
  • [New] Added three new temperature sensors for the M1 Macs.
  • [New] Widened the column for the sensor names so there's a bit more space.
  • [New] Fan preferences tab is now hidden on Macs without a fan.
  • [New] Slightly tweaked the shape of the app icon to better match the macOS Big Sur style.
  • [New] Using a darker style for the on toggle style of the link fans button.
  • [Fixed] Issue where the reinstall fan helper button would always appear in the fan preferences. Now it only appears if it's not installed or there's a problem connecting to it.
  • [Fixed] Issue where it wouldn't always prompt to update the fan helper app if it was out-of-date.
  • [Fixed] Issue where some of the memory temperature sensors were missing for the Mac Pro (Early 2008).

TG Pro 2.55

January 16, 2021

  • [New] If the CPU Throttle Fix is active, a message is now displayed in both the main window and drop down menu.
  • [Fixed] Issue where fan control may not have been available on app startup.
  • [Fixed] Issue where the temperature bars would be too small, depending on how the main window was displayed.
  • [Fixed] Issue where the HD temperatures were missing for the Macmini8,1 and Macmini7,1 models.
  • [Fixed] CPU Throttle Fix is now only enabled on Intel since it's not used with Apple Silicon.
  • [Fixed] Added a few extra domains to the Internet Access Policy (IAP) that Little Snitch uses. There were a few new ones for the Paddle licensing service and the AppCenter crash reporting service that were needed after updating to the latest framework versions.

TG Pro 2.54

December 20, 2020

  • [New] TG Pro now runs natively on Apple Silicon.
  • [New] TG Pro now requires at least macOS 10.11 El Capitan or higher.
  • [New] For Macs without a fan, it will no longer prompt to install the fan helper app.
  • [New] On app startup, there is now a description of what the fan helper app does (used for fan control) and choices to either install or skip it, along with an option to not show the dialog again. This was a requested feature by users who only want to monitor temperatures and fan speeds.
  • [New] Added four more temperature sensors for the new M1 based Macs.
  • [New] Added option to reinstall the fan helper app from the Fan tab of the preferences.
  • [New] Using more accurate method for determining if a battery needs servicing on Big Sur.
  • [Fixed] Memory leak when checking temperatures on Apple Silicon Macs, which would cause the memory usage of TG Pro to steadily increase over time. We're really sorry about this making it to production and we'll do our best to make sure it doesn't happen again.
  • [Fixed] Issue where the bottom of the preferences would be cut off on Big Sur.
  • [Fixed] Issue where a silent setup wouldn't properly register the license because of a change in the Paddle service.
  • [Fixed] Issue where the same message was being repeated unnecessarily to the console logs.

TG Pro 2.53

November 26, 2020

  • [New] Added full support for Apple Silicon Macs:
    • MacBook Pro (13-inch, M1, 2020)
    • MacBook Air (M1, 2020)
    • Mac mini (M1, 2020)
  • [New] Improved compatibility with macOS Big Sur, including new iconography and app icon.
  • [New] Using flatter colors for the area headers.
  • [Fixed] Issue where the close button would not be visible on Big Sur.
  • [Fixed] Issue where the override system popover text was cut off on the bottom.
  • [Fixed] Issue where some of the text could be cut off in the area column.
  • [Fixed] Issue where multiple drives with the same name wouldn't have their temperatures updated properly in the drop down menu.
  • [Fixed] Issues related to licensing by updating the Paddle framework to their latest version.

TG Pro 2.52

October 23, 2020

  • [Fixed] Issue where the fan decrease would be too quick when running in Auto Max mode.
  • [Fixed] Issue where some text in the preferences was cut off on macOS 10.10.
  • [Fixed] Potential crash when checking the fan speeds for the CPU Throttle Fix feature.

TG Pro 2.51

October 12, 2020

  • [New] Added option to move fan controls to the top of the drop down menu.
  • [New] Added option to move the "Show Main Window" and "Preferences" to the top of the drop down menu.
  • [New] Added option to show/hide the active GPU in the drop down menu (if there is more than one GPU).
  • [New] Using custom separators for the menu items to reduce the overall height.
  • [New] Added specific sensor naming for all MacBookPros between Mid 2009 and Mid 2010.
  • [Fixed] Issue where on some Macs, the fan helper tool wasn't able to access the hardware, which would cause fan control to not work.
  • [Fixed] Issue where Auto Boost rules may not have worked if a specific fan was used.
  • [Fixed] Issue where existing Auto Boost rules wouldn't have updated fan names compared to new ones.
  • [Fixed] Issue on T2 based Macs where all the fans would be put into forced mode, when only specific ones should have been.
  • [Fixed] Issue on T2 based Macs where the fans wouldn't be released from forced mode when there were no active rules for Auto Max.
  • [Fixed] Issue where some temperatures sensors were missing for MacBook Pro (15-inch, 2016) and MacBook Pro (15-inch, 2017) models.
  • [Fixed] Issue where on some Mac models (especially Mac Pros), the minimum fan speed could end up being modified.
  • [Fixed] Potential crash when using the CPU Throttle Fix if the Mac doesn't have certain CPU related information.
  • [Improvement] Menu items look nicer when in dark mode and the accessibility option to reduce transparency option is enabled.
  • [Improvement] Improved reliability when downloading the hosted JSON file (contains updated fan names and which models can turn off the fans).
  • [Improvement] Updated the Paddle licensing framework for better macOS Big Sur support.

TG Pro 2.50

August 30, 2020

  • [Fixed] Issue where some of the temperature group names would be slightly cut off.
  • [Fixed] Potential crash when updating HD temperatures in the drop down menu.

TG Pro 2.49

August 21, 2020

macOS 11 Specific:
  • [New] macOS Big Sur compatibility!
  • [Fixed] Issue where the Paddle service would crash when trying to register or buy a license on Big Sur. This is a significant change as it required migrating from V3 to V4 of their framework. We did an enormous amount of testing with it, although if there any issues with licensing, please email our support team using the "Send Feedback" option in the drop down menu.
  • [Fixed] Issue where the status icon text was too far down.
  • [Fixed] Issue where some text elements would be cutoff.
  • [Fixed] Issue where the preferences toolbar, temperature area list and notification sliders didn't look good.
macOS 10.x & 11:
  • [New] Added specific sensor naming for the following models:
    • MacBook Air (Retina, 13-inch, 2020)
    • iMac (Retina 5K, 27-inch, 2020)
  • [New] Improved the wording of battery health notifications.
  • [New] Added a few more shutdown codes along with their meanings.
  • [New] Added an option to download our new app by choosing More -> CPU Stress Test from the drop down menu.
  • [Fixed] Issue where the MacBook Air 2020 models wouldn't show all 4 CPU cores.
  • [Fixed] Issue where HD temperatures wouldn't update in the drop down menu.
  • [Fixed] Potential crash if an Auto Boost rule had an invalid fan selected.

TG Pro 2.48

July 14, 2020

  • [New - Beta] Added feature to try and keep the CPU from throtlling when the fans are lowered, especially on T2 based Macs. It's available to try in App Preferences -> Fan. This is a work in progress, so please send any feedback using the Dropdown Menu -> More -> Send Feedback option.
  • [New] Improved support for finding faulty temperature sensors on T2 based Macs.
  • [New] Improved support for 2019 Mac Pro.
  • [New] Added more sensors for most MacBook Pro models.
  • [New] Added specific sensor naming for the following models:
    • MacBook Pro (16-inch, 2020, Radeon 5600M)
    • MacBook Pro (13-inch, 2020, Four Thunderbolt 3 ports)
    • MacBook Pro (13-inch, 2020, Two Thunderbolt 3 ports)
    • MacBook Pro (13-inch, 2019, Two Thunderbolt 3 ports)
    • MacBook Air (Retina, 13-inch, 2020)
    • Mac mini (Late 2014)
    • Mac mini (Late 2012)
  • [New] Changed the naming of "CPU Core" -> "CPU" for some iMac models to avoid confusion that there isn't a sensor per core (Ex: A 6 Core iMac only has 4 CPU temperature sensors.)
  • [New] Renamed the 15/16-inch MacBook Pros fans from "Fan 1" & "Fan 2" to "Left Side" & "Right Side".
  • [Fixed] Issue where newer Mac models that can turn off the fans were not showing this in the UI.
  • [Fixed] Issue where signing up for the newsletter would fail if there was a plus in the email address.
  • [Fixed] Issue where the drop down menu would flash.
  • [Fixed] Issue where multiple sensors with the same name wouldn't always be numbered.
  • [Fixed] Issue where the battery health would be empty if some of the info was unavailable.
  • [Fixed] Issue where switching out of Manual mode then back to it wouldn't restore the set fan speeds.
  • [Fixed] Issue where "N/A" could display in red in the drop down menu.
  • [Fixed] Naming of "MenuBar" -> "Menu Bar" in the preferences tab.
  • [Fixed] Issue where a remote install wouldn't automatically block the user from being prompted to sign up for the newsletter or view the app tutorial.
  • [Fixed] Issue where it was possible the fans would be at minimum speed after waking from sleep, if the override system option was enabled and the fan mode was set to System.
  • [Fixed] Updated the IAP for Little Snitch to include a description of the connection to "".

TG Pro 2.47

February 26, 2020

  • [New] Added initial support for the new 2019 Mac Pro.
  • [New] The menu that appears when clicking the TG Pro menubar icon can now update while it's being used. This allows live updates to the temperatures and fan speeds while it's open!
  • [New] Only log the fan mode status if it actually changes.
  • [Fixed] Issue with menubar text being invisible on macOS Catalina when it automatically switches from Dark to Light appearance.
  • [Fixed] Issue where using Auto Boost on T2 based Macs won't work properly after a system sleep/wake.

TG Pro 2.46

December 17, 2019

  • [New] Added an option to reset the max temperatures from the main window. Just click the top right gear icon and choose it from the context menu.
  • [Fixed] Issue with menubar text being invisible on macOS Catalina that could happen when the system appearance was set to Auto and it switched to the Light theme.
  • [Fixed] Issue where the menubar text may not have updated immediately when the system appearance changed between Light and Dark.

TG Pro 2.45

November 21, 2019

  • [New] Added support for the new 2019 MacBook Pro 16-inch models.
  • [Fixed] Issue where showing two temperatures of 100C plus fan speed in the menubar wouldn't have enough room.
  • [Fixed] Issue where notification emails would still attempt to be sent if authentication failed.
  • [Fixed] Issue where the menubar text would be hard to see in system dark mode.
  • [Fixed] Issue where the red text for new Auto Boost rules would be hard to see in system dark mode.
  • [Fixed] Issue where the fan sliders were slightly cut off in the status menu.

TG Pro 2.44

October 23, 2019

  • [Fixed] Issue where a notification would repeatedly show when Auto Boost was returning the fans to normal speeds.
  • [Fixed] Issue where a specific shutdown message for T2 based Macs would be incorrect.
  • [Fixed] Issue where notifications has a sound when that option was turned off.
  • [Fixed] Issue where the menubar temperatures may not have been visible on macOS Catalina when in Auto Appearance mode.
  • [Fixed] Issue where a console exception would be logged when the GPU switched between integrated and discrete.
  • [Fixed] Memory leak when using Auto Boost.
  • [New] Added support for more types of automatic and forced shutdown messages.

TG Pro 2.43

October 16, 2019

  • [New] Full support for macOS Catalina 10.15.
  • [New] It's now Notarized and uses the Hardened Runtime for improved security.
  • [New] Removed Growl support and replaced it with native calls to the Notification Center.
  • [New] The values for the manual fan sliders are now saved immediately in case of a power outage before the app quits and saves the preferences.
  • [New] The minimum for Auto Boost gradual time is now 1 second (old was 5 seconds).
  • [New] Improved sensor naming and listing for the following Mac models:
    • MacBook Air (13-inch, 2019, 2017, Early 2015, Early 2014)
    • MacBook Air (11-inch, Early 2015, Early 2014)
    • MacBook (12-inch, 2018, 2017)
    • MacBook Pro (15-inch, Mid 2015, Late 2013)
    • MacBook Pro (13-inch, 2019, Mid 2014)
  • [Fixed] Potential crash in the Paddle service when running on macOS Catalina.
  • [Fixed] Issue where Auto Boost fan speed change timing curves wouldn't be linear.
  • [Fixed] Issue where the combination of Override System Control with Auto Boost wouldn't work as expected on app startup.
  • [Fixed] Issue where the fan speed change would be abrupt if there was no Auto Boost rule to use. It is now smooth and respects the Auto Boost gradual time setting.
  • [Fixed] Issue where Auto Boost wouldn't always work properly if there was no rule to apply on T2 based Macs.
  • [Fixed] Issue where the fan segmented control would be cut off.
  • [Fixed] Issue where the manual fan sliders may not have been available after app startup.
  • [Fixed] Issue where the dialog showing now to fix sensors not showing wouldn't always be displayed.

TG Pro 2.42

August 1, 2019

  • This is a critical update, please make sure to install! We were make aware of a privilege escalation vulnerability (thanks to obdev for reporting it) that affected TG Pro. This update resolves it on macOS 10.12 or higher by installing a new fan helper app. If you are running 10.10 or 10.11 you must upgrade to a newer macOS to be protected.
  • [Fixed] Issue where the temperature bars would flash on macOS 10.12.
  • [Fixed] Issue where the shutdown reason may be out of date by updating it after waking from sleep.
  • [Fixed] Removed NSAppTransportSecurity key from the Info.plist since it is no longer necessary.
  • [New] Show an alert if there are no temperature sensors detected, with info on how to resolve it.
  • [New] Added "Use Generic Mode" for compatibility with Hackintosh (homemade Macs) models.
  • [New] Changed "10Gb Ethernet" to "Ethernet" for 2018 Mac mini models since they don't all have the 10Gb chip.

TG Pro 2.41

June 30, 2019

This was an internal beta release that was not available publicly.

TG Pro 2.40

June 29, 2019

  • [New] Improved sensor naming and listing for the following Mac models:
    • iMac Pro
    • iMac 21.5" including 4K (Late 2012-2019)
    • iMac 27" including 5K (Late 2012-2019)
    • Mac mini (Late 2018)
    • MacBook Air (Late 2018)
    • MacBook Pro 15" (2019, 2018, Mid 2017 & Late 2016)
    • MacBook Pro 13" (2018 & 2019)
  • [Fixed] Issue where the temperature bars would not draw correctly on newer versions of macOS.
  • [Fixed] Issue where certain notifications would not get logged properly.
  • [Fixed] Issue where empty rows would get created in the log file.
  • [Fixed] Issue where the Highest CPU temperature wouldn't get used for notifications in the log file.
  • [Fixed] Issue where the fan control mode would default to System if the app terminated while the Mac was asleep.
  • [Fixed] Sequential memory sensor naming for older Mac models.
  • [New] Added URL for uploading crash reports to the Internet Access Policy.
  • [New] All open windows will be brought to the front when clicking on the menubar icon.
  • [New] Changed sensor naming from "Ambient" -> "Logic Board Ambient" to be clearer.

TG Pro 2.39

March 21, 2019

  • NOTE: If updating from 2.38, this update will need to be downloaded manually due to a bug in the updater for that verison.
  • [Fixed] Issue where the override system control would be turned off for certain Macs after waking from sleep.

TG Pro 2.38

March 16, 2019

  • [Fixed] Issue where the fan control settings may not have been restored properly after waking the Mac from sleep.
  • [Fixed] Issue where it was possible for incorrect high temperature notifications to be shown after waking the Mac from sleep.
  • [Fixed] Issue where if the fan helper had been disabled through launchd, it wouldn't have been possible to re-install it.
  • [Fixed] Issue with the CPU sensors for the MacPro3,1. They are now correctly identified as "Relative to Prochot".
  • [New] Auto Boost rules can now be reordered! Just drag the rules around to rearrange them in the desired order.
  • [New] Added extra logging for fan control mode changes to help with any future debugging of issues.

TG Pro 2.37

February 1, 2019

  • [New] Added Internet Access Policy for Little Snitch that describes every Internet connection TG Pro will possibly make.
  • [New] Removed an unnecessary connection to to improve our network footprint.
  • [New] Log file will be automatically recreated if it's deleted while the app is running.
  • [Fixed] Potential crash when checking HD temperatures if the revision number of the firmware was high enough.
  • [Fixed] Issue where Max fan mode wouldn't work after a sleep/wake cycle on T2 based Macs.
  • [Fixed] Issue where the UI for Max fan mode wouldn't be correct if Auto Boost override was enabled (for T2 based Macs).
  • [Fixed] Issue where HD temperatures wouldn't update properly if shown in the menubar icon.
  • [Fixed] Issue where the log file names would have the incorrect year if the day was Dec 30.
  • [Fixed] Using better logging if there is an error installing or connecting to the fan helper app.
  • [Fixed] Issue where the upgrade from TG wouldn't always work if it was located in a non-standard location.

TG Pro 2.36

December 24, 2018

  • [Fixed] Issue where the disk temperatures would not update properly.
  • [Fixed] Issue where some types of SATA disks would be missing.

TG Pro 2.35

December 20, 2018

  • [New] Added Mac model name to the title of the main window.
  • [Fixed] Issue where disk temperatures would not be shown for newer NVMe disks. This includes a completely new engine for checking disk temperatures using SMART.
  • [Fixed] Significantly reduced CPU usage when main window is not visible from 8-10% to 2%.
  • [Fixed] Lowered CPU usage on T2 based Macs (ex: 2018 MacBook Pro, Mac Mini, etc).
  • [Fixed] Changed sensor name "Ambient" to "Enclosure Ambient" for clarification.
  • [Fixed] Updated Paddle to 3.0.40 to resolve two issues: license keys not persisting & a potential crash.

TG Pro 2.34

December 1, 2018

This was an internal beta release that was not available publicly.

TG Pro 2.33

November 3, 2018

  • [New] TG Pro now requires macOS 10.10 or higher.
  • [New] Support for macOS 10.14 Mojave including the system Dark Mode.
  • [New] Added ability for TG Pro to be remotely deployed by having it silently install the fan helper, setup preferences and register itself. See how here.
  • [New] Added new preference to display the menubar override system icon in black/white instead of red.
  • [New] The "Fan control not available" dialog now contains a button to reinstall the fan helper and a clickable link to email support.
  • [Fixed] Issue where it was possible for the temperatures in the menubar icon to be cutoff when displayed vertically.
  • [Fixed] Issue where support packages could fail to create on macOS 10.14.
  • [Fixed] Issue where typing the email address in the Notifications preferences wouldn't automatically fill in the server address & port if it was known.
  • [Fixed] Potential crash on app startup by working around a bug in the Paddle framework that was causing it.
  • [Fixed] Resolved slight alignment issues in the UI of the main window.

TG Pro 2.32

September 10, 2018

  • [New] Added a new option in the Fan preferences to enable Auto Boost for 2018 MacBookPro and iMac Pro models. Read more here.
  • [Fixed] Issue where the app would have high CPU usage if only the menubar app icon was shown (and no temperatures or fan speeds).

TG Pro 2.31

September 5, 2018

  • [New] TG Pro now requires macOS 10.9 or higher.
  • [New] Added support for 2018 MacBook Pros and iMac Pro. Due to the way the hardware handles fan control we had to make some changes (only when running on these models). Read more about it here.
  • [New] Anonymous analytics were turned off by default for new installs, and they are now completely removed from the app. A win for privacy!
  • [New] If the last shutdown reason is unknown, the code will now be displayed in the diagnostics.
  • [New] Added red ◆ symbol in the status menu if the Override System feature is enabled to help make it more obvious. Also added the same symbol in the main window as a button with a help popover when clicked.
  • [Fixed] Improved sensor naming for the Late 2016 w/ TouchBar 13" MBP (MacBookPro13,2) model.
  • [Fixed] Issue where some 13" MBP models would not display the message when the hardware turned off the fans.
  • [Fixed] Issue where the status icon width could change slightly causing other icons to shift.
  • [Fixed] Issue where emails with capital letters would not be allowed when submitting a support package.
  • [Fixed] Issue where is rare cases the update frequency could be set to zero seconds, causing a spike in CPU usage.
  • [Fixed] Updated Paddle to 3.0.39 to include their fixes (3rd party service used for licensing and activations).

TG Pro 2.30

April 24, 2018

  • [New] Updated information when creating a support package to have more detail about what's included and how it's sent.
  • [New] Added link on how to create Auto Boost rules in the Fan preferences for easy access.
  • [New] Added PCIe Ambient sensor for Mac Pro Mid 2010/2012 models.
  • [Fixed] Issue where it would quit after launching on macOS 10.7.
  • [Fixed] Issue where some GPU sensors would not be correctly named for 2017 15" MacBookPros.
  • [Fixed] Issue where it was possible for GPU Diode to show "N/A" with an invalid high temperature.
  • [Fixed] Issue where it was possible for an invalid GPU temperature to cause some Auto Boost rules to incorrectly boost fans.
  • [Fixed] Updated Paddle to 3.0.34 to include their fixes.

TG Pro 2.29

February 22, 2018

  • [New] iMac Pro support! All known temperature sensors and fan speeds are shown, along with Manual and Auto Boost fan control.
  • [New] Minor tweaks/fixes to the preferences UI.
  • [New] Support packages now include logs for the fan helper app.
  • [Fixed] Issue where the temperatures were hard to see in dark mode with system transparencies turned off.
  • [Fixed] Issue where sending notification emails would fail for certain providers.
  • [Fixed] Issue where it was possible to have duplicated temperature sensors.
  • [Fixed] Updated Paddle to 3.0.32 to resolve some issues they were having including potential fixes for some crashes.

TG Pro 2.28

December 11, 2017

  • [Fixed] Potential crash on app startup.
  • [Fixed] Issue where some of the text labels were cutoff on systems running older verisons of macOS.
  • [Fixed] Crash on macOS 10.7 and 10.8 when resetting the app preferences to defaults.
  • [Fixed] Numerous issues and crashes related to licesning by updating the Paddle frmaework to 3.0.29.
  • [New] Showing dialog when app is gathering sanitized console log for a crash report.

TG Pro 2.27

October 13, 2017

  • [New] TG Pro is now fully compatible with macOS High Sierra (10.13).
  • [New] Added feature in the preferences to reset the app back to factory defaults.
  • [Fixed] Issue where errors from an old battery would appear when it had been replaced.
  • [Fixed] Updated Paddle framework to the latest version. Once again, they believe this should resolve the issue where the license key would have to be re-entered.

TG Pro 2.26

August 25, 2017

  • [Fixed] Updated Paddle framework to a new build of 3.0.25 which resolves two issues, both which can cause the app to revert to trial mode. We apologize to any customers this affected. We have let Paddle know how disappointed we are and how frustrating this was. Our hope is this will never happen again.

TG Pro 2.25

August 16, 2017

  • [Fixed] Updated Paddle framework to v3.0.25. This helps resolve the issue where the license key would have to be re-entered after every restart.
  • [Fixed] Updated Sparkle framework to v.1.18.1. This resolves the issue where Sparkle is unable to detect TG Pro quitting in order to install an update. So for future updates, there shouldn't be any issues with them not installing properly.

TG Pro 2.24

August 7, 2017

  • [Fixed] Issue when certain Mac models listed the Right Side fan first (then Left Side), the actual RPM values would be swapped.
  • [Fixed] Issue where the app could incorrectly set the fan mode to System when launched.
  • [Fixed] Multiple issues with the Paddle framework (used for licensing) by updating it to version 3.0.23.
  • [Fixed] Some minor typos related to the spelling of the word "successfully".
  • [Improvement] Added extra logging when the app receives sleep/wake notifications.
  • [Improvement] Updated the Sparkle framework (used for updating) to 1.18.0.

TG Pro 2.23

July 1, 2017

  • [Fixed] The app is now using our newer code signing certificate (the old one expired on June 21 2017). This resolves the issue where the fan control helper could not be installed.
  • [Fixed] Crash on app startup when trying to show an alert if the log file path was not reachable.
  • [Fixed] Crash when sending a support package for certain Xserve models.
  • [Fixed] Potential crash on app startup when the Paddle service was trying to show the licensing window.

TG Pro 2.22

June 20, 2017

This was an internal beta release that was not available publicly.

TG Pro 2.21

June 10, 2017

  • [Fixed] Issue where the temperatures in the log file could be shifted by one column.
  • [Fixed] Issue where the diagnostics in the log file would show "Only available in paid version" for the first few rows.
  • [Fixed] Issue where specific Auto Boost rules wouldn't work the first time TG Pro was launched (and would require changing the fan mode from Auto Boost -> Manual -> Auto Boost to fix it).
  • [Fixed] Issue where the shutdown reason would be blank if the system returned an unknown code.
  • [Fixed] Issue where the fan information would be swapped between the left and right fans on certain Mac models.
  • [Fixed] Issue where the bad fan help button was showing when it shouldn't have been.
  • [Improvement] If the system returns "Good" for the battery health but there are errors to report, the color of the battery diagnostics will now be yellow.
  • [Improvement] The notifications for battery health are now better looking and easier to read.
  • [New] Added preference to disable update checking.

TG Pro 2.20

May 16, 2017

  • [Improvement] The menubar icon will no longer shift around when the width of the numbers changes.
  • [Fixed] Issue where the menus couldn't be clicked on when first launched in normal mode.
  • [Fixed] Issue where the combination of vertical stacking & two temperatures for the menubar icon would not look correct.
  • [Fixed] Crash on app startup if one of the chosen temperatures for the menubar icon was a hard drive.
  • [New] Added preference to choose and play a sound when a temperature notification is shown.

TG Pro 2.19

April 25, 2017

  • [New] Preference for stacking the menubar icon information vertically, which allows a more compact layout.
  • [New] Registering TG Pro is now good for all users on the Mac. Only one user should have to enter the license key now.
  • [Fixed] Issue where some of the bad temperature sensors would show as unknown.
  • [Fixed] Issue where it was possible that a comma would be written to the log which would mess up the CSV formatting.
  • [Fixed] Issue where if the list of available temperature sensors changed, some of the Auto Boost rules could stop working properly.
  • [Fixed] Issue where if the list of available temperature sensors changed, the menubar display choices would revert to back to the default.
  • [Fixed] Updated the Paddle framework which resolves a number of potential crashes related to licensing.
  • [Fixed] Potential crash when turning the option to check hard drive temperatures on and off.
  • [Fixed] Potential crashes when updating the menubar icon information.
  • [Fixed] Potential crash if there was an error writing to the log file.
  • [Fixed] Potential crash when checking the hard drive temperatures through SMART.
  • [Fixed] Potential crash if the chosen temperature sensor for the menubar icon was not available.
  • [Improvement] Hardware turned fans off message now shows for 13" 2016 MacBook Pros.
  • [Improvement] The app will wait until a crash report has been sent or closed before continuing, allowing any crashes on app launch to be sent properly.
  • [Improvement] Updated the UI of a few preference panes for a cleaner look.
  • [Improvement] Hard drive temperatures are now available to show in the menubar icon.
  • [Improvement] Option to show fan speed in the menubar icon is disabled if there are no fans.

TG Pro 2.18

October 6, 2016

  • [Improvement] Most updates will no longer require entering the administrator password multiple times.
  • [Fixed] Issue where it was possible that the fan speed would not be lowered after an Auto Boost rule turned off.

TG Pro 2.17

October 6, 2016

  • [New] Using specific sensor lists and labelling for 2006 MacPro (including 8x core), Early 2008 MacPro, Early 2009 MacPro, and Mid 2010-2012 MacPro models.
  • [Improvement] Changed the under-the-hood logic for fan Auto Boost to be more reliable.
  • [Improvement] Auto Boost rules now start from the current rpm instead of always going to the minimum first.
  • [Improvement] Temperatures and fan speeds will not be checked for a few seconds after the system wakes up from sleep. This should help with abnormal temperatures being reported by the sensors in this situation.
  • [Improvement] Turned off any type of anonymous analytics from HockeySDK which includes any network connections it was making.
  • [Fixed] Issue where after waking from sleep the manual or Auto Boost rules to lower a fan would no longer work.
  • [Fixed] Issue where setting override system control could set it for all fans instead of just one.
  • [Fixed] Issue where some Auto Boost rules wouldn't be triggered.
  • [Fixed] Issue where a separator could be missing between the CPU and logic board sensors in the status menu.
  • [Fixed] Updated Paddle framework to fix their bug where some licenses would revert back to trial mode.

TG Pro 2.16

September 12, 2016

  • [Improvement] Optimized three different areas for slightly lower CPU usage when updating temperaures and fan speeds.
  • [Fixed] Issue that would happen in OS X 10.10.2, preventing the app from launching correctly.

TG Pro 2.15

September 1, 2016

  • [Fixed] Issue where a bug in OS X 10.9 was causing a crash on app launch.

TG Pro 2.14

August 31, 2016

  • [Fixed] Improved app stabilty by resolving a few infrequent crashes.
  • [New] Folder creation is now availble when choosing the location of the log file.
  • [New] Show an alert if there is a problem when writing to the log file. Example: If the disk is out of space.
  • [New] Added message in both the main window and the status menu when the hardware has turned off the fan. This can occur when the temperatures are low enough on 2015 MacBook Pro 13 inch models.

TG Pro 2.13

August 14, 2016

  • [Fixed] Updated Paddle framework to resolve potential crash when purchasing using PayPal.
  • [Improvement] Minor tweaks under the hood and to the UI.

TG Pro 2.12

July 18, 2016

  • [Fixed] Updated Paddle framework to resolve issue where it was possible to have an older license revert back to a trial.

TG Pro 2.11

July 6, 2016

  • [New] Working around an issue in the Paddle framework where for a small number of customers the license could be lost.

TG Pro 2.10

June 21, 2016

  • [Fixed] Updated the Paddle framework which resolves a bug in it where a small percertange of customers had to re-enter their license key after updating the app.
  • [Fixed] Issue where it would sometimes show "Invalid Fan" in the menubar.
  • [Fixed] Issue where the daily log file would be re-created each time the app started up. Now it will simply append to the log.
  • [Fixed] Issue where choosing a fan to display in the menubar would revert to Average RPM.
  • [New] Using clearer wording for the battery health.
  • [New] On Mac models where there are no fans (ex: 2015 MacBook), the fan controls are now hidden in both the main window and the status menu for a cleaner look.
  • [New] Minor UI tweaks and fixes.

TG Pro 2.9.12

June 13, 2016

  • [Fixed] Issue where battery health wouldn't appear right away for licensed versions of the app.
  • [Fixed] Issue where temperature sensor diagnostics would show a green circle even when a sensor was bad.
  • [Fixed] Potential crash on app startup.

TG Pro 2.9.11

June 9, 2016

  • [Fixed] Issue where Manual and Auto Boost fan modes might not be saved properly when the app quit.
  • [New] Added battery health under Diagnostics for Macs with an internal battery. This provides the condition of the battery, any reported hardware issues and the number of charging cycles left according to the battery design.
  • [New] Paddle framework has been updated which resolves numerous issues related to app stability and purchasing.
  • [New] Removed the ability to show the main window when an Auto Boost rule is activated.

TG Pro 2.9.10

June 25, 2016

  • [Fixed] Improved app reliability (fixed potential crashes on app startup).
  • [Fixed] Issue where using a new log file each day could leave the previous day's log empty.
  • [Fixed] Issue where in rare cases the menubar/menu item text wouldn't display.
  • [Fixed] Issue where the check for updates frequency popup was disabled.
  • [New] Using a custom control so the fan mode buttons display correctly when using a dark menubar.
  • [New] Added feature where you can have the app create and securely upload a support package to Tunabelly. This includes a basic system profiler report (no serial number), console log (with any urls removed), screenshot of the main window, app preferences, crash logs and temperature/fan info.

TG Pro 2.9.9

March 1, 2016

  • [New] Added preference to optionally disable fan control when the Mac goes to sleep. This is especially helpful for iMacs where the HD has been replaced and the fan speed is being lowered.

TG Pro 2.9.8

February 27, 2016

  • [Fixed] Issue where using the override fan control wouldn't always be immediately active.
  • [Fixed] Issue where the log file path wouldn't be visible if logging was disabled.
  • [Fixed] Issue where an empty TG Pro Log.csv would be created when it shouldn't have been.
  • [New] Updated Sparkle framework to 1.14.0 to resolve potential security risk (see article on Arstechnica for more info).
  • [New] Added preference to use ISO8601 dates (YY-MM-DD) for the log file names.
  • [New] Replaced Average CPU notification with Highest CPU.
  • [New] Added ability to turn individual notifications types on or off.
  • [New] Improved the way Auto Boost configs are stored for future updates if more sensors become available.
  • [New] Showing license email and key in the about TG Pro dialog.

TG Pro 2.9.7

February 4, 2016

  • [New] Added feature to override the system to lower fan speeds. This new feature can be turned on/off per fan.
  • [New] Added feature to easily copy all Auto Boost settings from one power source to the other.
  • [New] Improved overall reliability of fan control.
  • [New] Improved CPU usage slightly.
  • [New] Improved sensor naming for some Macs.
  • [Fixed] Issue where the previous manual fan control setting wouldn't be restored on app startup.
  • [Fixed] Issue with menu bar icon overlapping the text.
  • [Fixed] Issue where Auto Boost might not come on when expected.
  • [Fixed] Issue where some of the menu bar preference checkboxes were slow to update when clicked.

TG Pro 2.9.6

January 28, 2016

This was an internal beta release that was not available publicly.

TG Pro 2.9.5

January 7, 2016

  • [Fixed] Auto Boost not working.

TG Pro 2.9.4

January 7, 2016

  • [Fixed] Issue with manual fan control settings not persisting across app re-launches.
  • [Fixed] Issue where switching from manual to Auto Boost would sometimes keep the manual setting.
  • [Fixed] Issue with text including separators not appearing in the menu bar in dark mode.
  • [New] Improved app stability (translation: less crashes).
  • [New] Improved CPU usage (translation: less CPU usage).

TG Pro 2.9.3

January 4, 2016

  • [Fixed] Issue with fan control sometimes not working after updating.
  • [Fixed] Issue with menu bar text not displaying properly.

TG Pro 2.9.2

January 3, 2016

  • [Fixed] Issue with menu bar text not displaying properly in dark mode.
  • [Fixed] Improved sesnor naming for Early 2011 MacBookPro models.

TG Pro 2.9.1

January 2, 2016

  • [Fixed] Launching app on systems with less than OS X 10.10.

TG Pro 2.9

January 1, 2016

  • [New] Fan control is now simpler. There are three options - System, Manual and Auto Boost.
  • [New] Added option to use colors for the menu bar temperatures.
  • [New] Added ability to increase specific fans (instead of all) in Auto Boost rules.
  • [New] Added Highest and Highest CPU temperature options for use in both the menu bar & Auto Boost rules.
  • [New] Added tooltip for the menu bar icon with descriptions of what's being shown.
  • [New] Improved sensor naming for some Mac models.
  • [Fixed] Issue where nothing would update after registering.
  • [Fixed] Issue where "Invalid Fan" would show in the menu bar.
  • [Fixed] Issue where it was possible that some Auto Boost rules would not work correctly.
  • [Fixed] Issue where drive temperatures were not available in Auto Boost rules.
  • [Fixed] Issue where only one Auto Boost notification would ever appear.
  • [Fixed] Potential crash on app launch.
  • [Fixed] Potential crash when checking drive temperatures.

TG Pro 2.88

October 23, 2015

  • [New] Improved support for the 15" 2015 MacBook Pro graphics temperatures.
  • [New] Improved the user experience on first launch.
  • [New] App analytics (anonymous things like os/app version, etc.) can now be turned off in the preferences.
  • [Fixed] Sequential numbering of memory sensors on certain Mac Pro models.
  • [Fixed] Updated Paddle framework which resolves a potential crash on app startup and the licensing window not closing on El Capitan.

TG Pro 2.87

September 30, 2015

  • [New] Improved compatibility with El Capitan (10.11), including when installing future updates.

TG Pro 2.86

September 30, 2015

  • [New] Improved compatibility with El Capitan (10.11).

TG Pro 2.85

September 14, 2015

  • [Fixed] Potential issue where the license might not be stored properly.

TG Pro 2.84

September 11, 2015

  • [Fixed] Potential crash when showing the main window on OS X 10.7 and 10.8.
  • [Fixed] Issue where the fan helper might not install properly.
  • [Fixed] Issue when running on OS X 10.11 (El Capitan).
  • [New] Improved shutdown code descriptions.
  • [New] Icons for some of the preference tabs.

TG Pro 2.83

August 19, 2015

  • [Fixed] Issue that was causing custom support for the 2015 MacBookPro 15" and 2013 MacPro models to not work.
  • [Fixed] Issue relating to showing a log file error dialog when a custom folder was used.

TG Pro 2.82

August 16, 2015

  • [Fixed] Issue where the AMD Radeon GPU would always show N/A (on 2015 MacBook Pro 15").
  • [Fixed] Reduced number of file accesses when checking if the trial is over.
  • [Fixed] Only show a log file error dialog once.
  • [New] Improved and more accurate naming of temperature sensors.
  • [New] Improved numbering when there are multiple temperature sensors of the same kind.
  • [New] Improved support for MacBookPro11,5 models (2015 MacBook Pro 15")

TG Pro 2.81

July 29, 2015

  • [New] Mac Pro relative (prochot) CPU sensors are now in a separate area and not included in temperature averages.
  • [New] Added link to the new TG Pro app tutorial.
  • [Fixed] Potential issue where GPU temperatures could be incorrect (on 15" 2015 MacBook Pros).
  • [Fixed] Issue where the AMD Radeon R9 M370X would always show N/A (on 15" 2015 MacBook Pros).
  • [Fixed] Duplicate fans in the preferences popup.

TG Pro 2.8

June 29, 2015

  • [New] All sensors are now available for Auto Boost rules. Now it's possible to link a fan increase to a particular sensor.
  • [New] If a fan is defective, a help popover is visible to describe what that means.
  • [New] Added a menu item to manually re-install the fan helper app.
  • [Fixed] Only show a shutdown notification once per machine restart.
  • [Fixed] Hide the battery Auto Boost rules on Macs where there isn't a battery.
  • [Fixed] Issue where it was possible to get a notification for an abnormally hot Intel Iris Pro sensor.
  • [Fixed] Issue where it was possible the app would quit when switching from normal to background mode.
  • [Fixed] Duplicate prompts to install the fan helper app.
  • [Updated] The UI of the diagnostic section.

TG Pro 2.7.4

June 10, 2015

  • [Fixed] Issue where Auto Boost fan speed would always increase.
  • [Improved] Reliabilty of temperature validation.

TG Pro 2.7.3

June 7, 2015

This was an internal beta release that was not available publicly.

TG Pro 2.7.2

May 11, 2015

  • [Fixed] Fan control issues with 2015 MacBook Pros.
  • [Improved] Further reduced the amount of console logging.

TG Pro 2.7.1

May 4, 2015

  • [New] Fan control support for 2015 MacBook Pros.
  • [New] Added preference to allow an empty password for email notifications.
  • [New] Added preference to toggle extra console output.
  • [Fixed] Preferences window no longer closes when switching to background mode.
  • [Improved] Reduced the amount of console logging.

TG Pro 2.6

March 28, 2015

  • [UPDATED] Many new temperature sensors + better naming for 2013 Mac Pro.
  • [UPDATED] Improved names for battery temperature sensors.
  • [FIXED] Resolved issue where switching between power sources could cause Auto Boost to not work.
  • [FIXED] Resolved issue where it was possible that Auto Boost would not start.
  • [NEW] Added extra minimum fan speed safeguard./li>
  • [UPDATED] Main window area icons invert when clicked./li>

TG Pro 2.5.1

February 11, 2015

  • [FIXED] Ambient sensor on iMacs now shows the correct temperature.
  • [UPDATED] Paddle framework to resolve issues with activations + misc bug fixes.

TG Pro 2.5

February 6, 2015

  • [FIXED] Potential crash when updating drive temperatures using SMART.
  • [NEW] Added menu item for registering TG Pro during the trial.
  • [UPDATED] The Paddle framework to resolve minor issues.

TG Pro 2.4.3

January 21, 2015

  • [NEW] Added options for SMTP port and connection type for email notifications.
  • [NEW] Filling in the email username will auto fill the server, port and connection type for most addresses.

TG Pro 2.4.2

January 7, 2015

  • [FIXED] Issue when moving TG Pro to a different Mac that has less fans.

TG Pro 2.4.1

December 25, 2014

  • [FIXED] Checking drive temperatures with SMART now works on more Mac models.
  • [FIXED] Potential crash while logging.
  • [FIXED] Potential crash if the fan helper app connection is invalid.

TG Pro 2.4

November 26, 2014

  • [UPDATED] Lower CPU usage, especially when the main window is visible.
  • [FIXED] Potential crash when Auto Boost is running.
  • [FIXED] Minor memory leak.

TG Pro 2.3.1

November 24, 2014

  • [FIXED] Crash when clearing the percent text field for an Auto Boost configuration.
  • [FIXED] Potential crash when Auto Boost was running.

TG Pro 2.3

November 18, 2014

  • [NEW] Added ability to send crash reports directly from the app.
  • [NEW] Added OS X version and model to feedback emails.
  • [FIXED] Auto Boost can now decrease fan speeds.

TG Pro 2.2.2

November 15, 2014

  • [FIXED] Launching on Lion (OS X 10.7)
  • [FIXED] Potential hang when sending an email notification.
  • [FIXED] Status menu fan button being on when Auto Boost is enabled.

TG Pro 2.2.1

November 10, 2014

  • [FIXED] Issue with fan control potentially not working.
  • [FIXED] Possible crash on startup.

TG Pro 2.2

November 3, 2014

  • [NEW] Added active GPU name to the status menu.
  • [NEW] Added ability to have email notifications. This is a great new feature for remote server monitoring.
  • [FIXED] Status menu and icon in Yosemite dark mode.
  • [FIXED] Updated diagnostics string when there is one or no fans.
  • [FIXED] Ranges of Fahrenheit converting incorrectly to Celsius.
  • [FIXED] Reduced number of console messages.
  • [UPDATED] PCI, Northbridge and GPU area icons.

TG Pro 2.1

September 25, 2014

  • [NEW] Fan control is suspended when the Mac sleeps and restored on wake.
  • [FIXED] Manual fan control switch is turned off when fan Auto Boost is active.
  • [FIXED] Fan Auto Boost configurations changes take effect without an app restart.
  • [FIXED] Fan Auto Boost configurations are only used once editing is finished.
  • [FIXED] Fan Auto Boost algorithm works properly for low percentage values (ex: 10%).

TG Pro 2.0.2

August 25, 2014

  • [FIXED] Manual fan control switch in the status menu updates in sync with the one in the main window.
  • [FIXED] Using every day log option on systems where the date has slashes in it.
  • [FIXED] Auto Boost sometimes not turning on when on battery power.
  • [FIXED] Prompt for launching on login was appearing every time the app started in rare cases.

TG Pro 1.8.4

June 22, 2014

  • Updated for Mac OS X 10.10 (Yosemite) compatibility.

TG Pro 1.8.3

December 11, 2013

  • Resolved issue with the message in the diagnostics when the shutdown code was STOP_CAUSE_INIT_CODE.

TG Pro 1.8.2

December 8, 2013

  • Resolved issue with a notification when the shutdown code was STOP_CAUSE_INIT_CODE.
  • If a bad fan is detected, an expanded name is used. Ex: “ODD” becomes “Optical Disc Drive”.
  • Less console logging when fan speeds are adjusted.

TG Pro 1.8.1

November 28, 2013

  • Resolved issue where temperatures would only log as Celsius.
  • Resolved issue where HD temperatures would not be logged.
  • Updated Paddle framework.

TG Pro 1.8

November 15, 2013

  • Added preference to show the main window when Auto Boost is active.
  • Fan status icon is now orange when there is an issue with a fan.

TG Pro 1.7

November 5, 2013

  • Resolved potential crash on launch.
  • Resolved potential crash when checking drive temperatures.
  • Resolved issue with sensors in the LCD area.
  • Resolved issues related to showing drive temperatures in the status bar.
  • Log file is only created if logged is enabled.
  • Updated the name of the TCGc sensor.

TG Pro 1.6

October 14, 2013

  • Added support for gradual fan speed increases with Auto Boost.
  • Resolved issue where the manual fan speeds would not be restored when waking from sleep or a system restart.
  • Move to Applications folder on first launch.

TG Pro 1.5

September 24, 2013

  • Resolved issue with manual fan settings when waking from sleep.
  • Work around for bug in Mavericks (10.9) when showing the trial window.
  • Log file is called TG Pro Log.txt.

TG Pro 1.4

September 9, 2013

  • Clearer fan Auto Boost notification text.
  • Reduced the size of the app.
  • Improved the trial and purchasing experience.

TG Pro 1.3

September 8, 2013

  • Resolved crash the fan or sensor diagnostics showed an issue.
  • Improved the trial and purchasing experience.

TG Pro 1.2

September 5, 2013

  • Resolved potential crash when enabling fan control.
  • Switching to Fahrenheit shows the correct temperatures in the Fan preferences.
  • Fan control sliders will properly resize when the window width is small.
  • Fan alerts can be turned off.

TG Pro 1.1

September 4, 2013

  • Resolved potential crash when enabling fan control.
  • Switching to Fahrenheit shows the correct temperatures in the Fan preferences.
  • Fan control sliders will properly resize when the window width is small.
  • Fan alerts can be turned off.

TG Pro 1.0

July 26, 2013

Initial release.


Merchant of Record