Macs Fan Control Release Notes


Released on October 5, 2020 | Download from GitHub
  • Fixed Fixed reading of GPU temperatures #400
  • Fixed Fixed missing GPU Proximity / Heatsink sensors on some Mac models #406

Version 1.5.8

Released on September 25, 2020 | Download from GitHub
  • New Display temperature of discrete GPU (eGPU) #209
  • New New app icon to match new macOS Big Sur style #397
  • New New virtual temperature sensor CPU Core (average) #235
  • Improved Improved switching between presets from menubar #281
  • Improved Display of discrete GPU model instead for the GPU Diode sensor
  • Improved Inverted menu bar icon for macOS night mode #365
  • Improved Improved preferences window
  • Improved Support of iMac 2020 27" 5k #382
  • Improved Improve warning message on computers without fans #309
  • Fixed Fixed issue when the app didn't always restore automatic fan control upon computer restart #387
  • Fixed Fixed UI glitch allowing setting of max temperature below min value when setting up sensor-based control #320
  • Fixed Fixed crash on some Hackintosh machines #324
  • Fixed Fixed displaying of temperatures of multiple drives with the same model on classic MacPro5,1 #246

Version 1.5.7

Released on May 28, 2020 | Download from GitHub
  • Improved Tip on explaining how to create a new custom fan preset the first time #311
  • Improved Windows: dark mode support #299
  • Improved Swedish, Turkish translations update
  • Fixed Fixed number of reported fans on XServe hardware #314
  • Fixed Fixed custom presets disappearing on Windows after reboot #321

Version 1.5.6

Released on March 27, 2020 | Download from GitHub
  • Improved Windows: the app now works in Windows 10 on iMac Pro (2017) and Mac Pro (2019) #262
  • Improved Added Mac Pro 2019 fan names
  • Fixed Fixed unresponsive modal dialog(s) in certain scenarios after opening other dialogs from the menubar #297

Version 1.5.5

Released on March 16, 2020 | Download from GitHub
  • Improved Windows: option to ignore wrong hardware and silently close #283
  • Fixed Fixed crash on some machines under macOS Catalina #249
  • Fixed Fixed menubar icon display after automatic switch from/to dark theme under macOS Catalina #271
  • Fixed Windows: fixed crash while updating the app in certain scenarios
  • Fixed Windows: fixed innecessary warning of potential BSOD #268
  • Fixed Windows: fixed setup when user name contains spaces #265
  • Fixed Windows: fixed installation getting stuck on some machines #273

Version 1.5.4

Released on January 13, 2020 | Download from GitHub
  • New The app now works in Windows 10 also on modern computers that have the T2 security chip. More info
  • Fixed Fixed setting same manual fan RPM twice in a row after going back to Auto #253

Version 1.5.3

Released on December 4, 2019 | Download from GitHub
  • Improved Spanish, French, Ukrainian translations update
  • Fixed Fixed crash when disconnecting external monitors #238
  • Fixed Fixed menubar appearance in macOS Catalina with automatic light/dark mode switch preference

Version 1.5.2

Released on November 25, 2019 | Download from GitHub
  • Fixed The main download is now again compatible with macOS 10.12 and later #211
  • Fixed Fixed menubar display in macOS 10.7 Lion #236

Version 1.5.1

Released on November 8, 2019 | Download from GitHub
  • Improved Better support of MacBookAir 2019 and MacBookPro 2019
  • Improved Better readability of the menubar icon text
  • Improved CPU usage improvements
  • Improved Notarized for macOS 10.15 Catalina.
  • Improved Detection and solving of situation when the helper tool couldn't be installed #226
  • Fixed Fixed menubar not getting grayed out when switching between monitors
  • Fixed Fixed menubar display after automatic switch of dark/light theme in macOS Catalina
  • Fixed Minor improvements, fixed couple of memory leaks

Version 1.5

Released on September 23, 2019 | Download from GitHub
  • New New helper tool that must improve CPU usage and stability.
  • New Fan presets (only in Pro version #176
  • New Dark mode support in macOS Mojave #117
  • New New improved Preferences dialog
  • New Display connected NVMe drives temperatures
  • New New option in preferences to enable/disable reading of connected SMART and/or NVMe drives temperatures.
  • Improved Support of Little Snitch Internet Access Policy
  • Improved Better support of Macmini and MacBookAir 2018
  • Fixed Fixed detection and displaying of CPU cores on different machines
  • Fixed Fixed random crashes #122
  • Fixed Fixed autostart setting re-enabling itself every time on Windows. #169

Version 1.4.12

Released on September 19, 2018 | Download from GitHub
  • Improved Better support of the latest MacBook Pro 2018 models
  • Improved Added displaying of SSD temperature on MacBook Pro 2017-2018
  • Improved Turn on/off default app behavior to check for updates on startup (in the Preferences dialog)
  • Fixed Fixed moving the app itself to the Applications folder on the first start

Version 1.4.11

Released on August 31, 2018 | Download from GitHub
  • Improved Improved compatibility with MacBook Pro 2018
  • Improved Translations update

Version 1.4.10

Released on March 5, 2018 | Download from GitHub
  • New iMac Pro support (only on macOS) #32
  • Improved Optimized CPU usage
  • Improved Better hiDPI support on Windows
  • Improved Translations update
  • Fixed Fixed MacBookPro13,3 fixed CPU Core numeration
  • Fixed Fixed centering of menubar icon

Version 1.4.9

Released on December 19, 2017 | Download from GitHub
  • Improved Optimized CPU usage and startup time
  • Improved Qt framework is updated to 5.6.3 version
  • Improved Checking for updates using HTTPS
  • Improved Minor small improvements
  • Improved Translations update


Released on June 6, 2017 | Download from GitHub
  • Improved Ukranian translation
  • Fixed Fixed compatibility with macOS 10.13 beta (High Sierra)

Version 1.4.8

Released on May 23, 2017 | Download from GitHub
  • Improved Correct behavior when no fans are detected
  • Fixed Fixed multiple issues in the updater dialog
  • Fixed Minor small fixes

Version 1.4.7

Released on January 17, 2017 | Download from GitHub
  • Fixed Fixed maxing out fans on iMacs when switching between users or shutdown/restart

Version 1.4.6

Released on January 9, 2017 | Download from GitHub
  • Fixed Fixed multiple issues with the previous update

Version 1.4.5

Released on January 5, 2017 | Download from GitHub
  • Improved Restore automatic fan control after the app quits
  • Improved The app binary is now 64-bit on macOS
  • Improved Added 'Expansion Slots' sensor on MacPro1,1, MacPro2,1, MacPro3,1
  • Fixed Fixed CPU sensors naming on MacBookPro11,5

Version 1.4.4

Released on September 30, 2016 | Download from GitHub
  • Improved Improved compatibility with macOS Sierra
  • Fixed Fixed incorrect display of fans RPMs and disappearing of temperature sensors

Version 1.4.3

Released on June 27, 2016 | Download from GitHub
  • Improved Polish, French, Chinese, Portuguese (Brazilian) translations update
  • Fixed Mac: fixed disappearing controls after computer restart on some systems
  • Fixed Windows: fixed compatibility with Windows XP
  • Fixed Windows: fixed 'unsuported hardware detected' error
  • Fixed Windows: fixed crash on startup on certain hardware

Version 1.4.2

Released on April 22, 2016 | Download from GitHub
  • Improved French translation update
  • Fixed IMPORTANT: if you get 'Error extracting update' please update the app manually. Apologies
  • Fixed Fixed problem with broken menubar icon preferences

Version 1.4.1

Released on April 19, 2016 | Download from GitHub
  • Improved Fan & sensor table width now can be changed with a splitter between them
  • Improved Removed warning when running under VMware (no warning) on Windows
  • Improved Qt framework is updated to 5.6.0 version
  • Fixed Fixed detecting of apple hardware under Windows
  • Fixed Fixed digital signature for the setup file under Windows 10
  • Fixed Small improvements and fixes

Version 1.4.0

Released on March 14, 2016
  • Improved Major improvements on sensors support on most mac models (including iMac5k and Mac Pro 2013)
  • Improved Temperature and fan speed are now displayed using single line in the menu bar (old two lines mode can be turned on in Preferences)
  • Improved Improved menu bar popup menu (tray menu on Windows)
  • Improved The app can now move itself to the /Applications when it's first run from the other directory
  • Improved Lots of small fixes and improvements to improve usability and stability of the app
  • Improved Added ability to rate the app at Macupdate to help us improve MFC
  • Fixed Fixed automatic update of the app on Mac
  • Fixed Fixed bug with detection of old hardware after transfering system to another hardware
  • Fixed Fixed problem with missing menu bar icon under El Capitan with auto-hide menu bar option on

Version 1.3.3

Released on December 31, 2015
  • Improved Better OS X El Capitan compatibility
  • Improved Lithuanian and Thai translations, other translations update
  • Improved Qt framework is updated to 5.5.1 version

Version 1.3.2

Released on October 11, 2015
  • Fixed Fixed compatibility with OS X 10.11 El Capitan

Version 1.3.1

Released on August 30, 2015
  • Improved Windows 10 support
  • Improved Qt framework is updated to 5.5.0 version
  • Improved Polish and Vietnamese translations update
  • Fixed Windows: fixed 'unsuported hardware detected' error

Version 1.3.0

Released on May 22, 2015
  • Improved Optimized reading of temperature of internal Apple SSD (retina MacBooks, MacPro6,1, iMacs)
  • Improved HDD Proximity sensor for some iMac models
  • Improved Support of 2 GPU cards on MacPro6,1 (late 2013)
  • Improved Grayed out temperatures after restoring from menu bar until the are updated
  • Improved Detect when running in Paralells virtual machine (displays warning)
  • Improved New refactored menu bar icon code (tray icon on Windows)
  • Improved Qt framework is updated to 5.4.1 version. OS X 10.6 is no longer supported
  • Improved Slovak and Chinese translations update
  • Fixed Fixed reading of Ambient temperature on iMac13,2 and iMac14,1

Version 1.2.1

Released on February 14, 2015
  • Improved Hi-dpi screen mode support on Windows (125%, 150%, etc)
  • Improved Portuguese and Czech translations update
  • Fixed Fixed wrong CPU temperature readings on MacPro1,1

Version 1.2

Released on February 12, 2015
  • New New preferences dialog
  • Improved Improved user interface of fans list
  • Improved Mac: improved display of menu bar text and icon, support of OS X 10.10 dark mode
  • Improved Optimized CPU usage
  • Improved Added CPU A(B) Temperature Diode sensor for Mac Pro
  • Improved Icon for GPU related sensors
  • Improved More technical information that can copied for diagnostics (see Preferences)
  • Improved Bulgarian and Hungarian translations
  • Fixed Exclude displaying of external USB drives on Mac
  • Fixed Fixed calculating of temperature on Mac Pros for CPU A(B) core sensors
  • Fixed Fixed fine-tuning of sensor-based mode in Fahrenheit
  • Fixed Fixed display value of Ambient sensor on iMac14,2
  • Fixed Fixed error message (initializing SMC) under Windows automatic startup


Released on December 1, 2014
  • Improved Moved to Qt 5.3.2
  • Improved Moved to Visual C++ 2013 on Windows
  • Fixed Fixed updater


Released on September 7, 2014
  • Improved Small improvements in user interface


Released on July 23, 2014
  • Improved Added PECI GPU sensor for macs with integrated graphics
  • Fixed Regression fix: rare crash on startup

Version 1.1.12

Released on July 22, 2014
  • Improved Improved sensor-based mode by handling sleep/wake-up notifications
  • Improved Mac: significant increase of startup speed
  • Improved Mac: improved accessibility for users using VoiceOver
  • Improved Vietnamise, Korean, Portuguese and Persian translations update
  • Improved /log parameter to activate logging
  • Improved Qt framework updated to 5.3.1 version
  • Fixed Windows: fixed rare crash when restoring the app from system tray
  • Fixed Windows: fixed autostart when MacBook Pro is running on battery
  • Fixed Windows: fixed issue preventing MFC running on some macs under Windows (MacBookPro5,1)

Version 1.1.11

Released on May 4, 2014
  • Improved Croatian, German and Slovak translations update
  • Fixed Fixed incorrect calculation and display of min/max fan speed (was not enough accurate, e.g. 1793 instead of 1800)

Version 1.1.10

Released on April 4, 2014
  • New Mac: /minimized command line parameter to start the app without opening window
  • Improved Mac: hotkeys - "Cmd+W" to close main window, "Cmd+," to open preferences
  • Improved Mac: do not prompt for admin password when running MFC for the first time
  • Improved PSU (Power Supply Unit) sensor icon, minor optimizations and improvements
  • Improved Czech, Chinese and Korean translations update
  • Fixed Mac: fixed smc-write crashes on Mac OS 10.6 under certain conditions
  • Fixed Mac: fixed self-update problem under certain conditions
  • Fixed Windows: fixed auto-start on Windows 7 when UAC is enabled

Version 1.1.9

Released on March 21, 2014
  • New Norwegian translation, other translations update
  • Improved Mac: improved auto-start logic
  • Improved Mac: Improved display of menu bar icon in Mac
  • Improved Qt framework updated to 5.2.1 version
  • Improved Mac: other small fixes and improvements


Released on January 30, 2014
  • Improved Arabic, French translation update
  • Fixed Fixed crash on some Mac systems with accessibility options (problem in Qt 5.2.0)

Version 1.1.8

Released on January 29, 2014
  • New Mac: major UI improvements for the main window and child dialogs (sheets). Complete support of MacBook Pro Retina displays
  • New Mac: black & white menubar icon option
  • New Check for new versions with automatic (Sparkle-like framework) update. Beta!
  • New Slovenian translation
  • Improved The app finally switched from Qt 4.8.5 to Qt 5.2.0 framework (latest version)
  • Improved Optimized threads responsiveness and the way the app quits
  • Fixed Sensor-based control: fixed issue with restoring control after waking from sleep
  • Fixed Fixed a rare hang when switching fan mode from menubar (tray icon on Windows) popup menu
  • Fixed Mac: fixed application behaviour when using Cmd+Q to quit

Version 1.1.7

Released on November 22, 2013
  • New Finnish and Turkish translations
  • Improved Improved support of temperature sensors on MacPro, MacMini and some iMac models
  • Improved Improved and optimized sensor-based control algorithm
  • Improved Optimized CPU usage
  • Improved Small UI improvements

Version 1.1.6

Released on October 24, 2013
  • Improved Improved compatibility with Mac OS X Mavericks
  • Improved Improved the way user can change fan speed to a constant value (in the fan control window)
  • Fixed Removed unsupported sensor on iMac 11,3

Version 1.1.5

Released on October 1, 2013
  • Improved UI look and feel improvements e.g. fans list looks much prettier now
  • Improved Improvements in sensor-based control algorithms when temperature changes quicker than expected (Discussion)
  • Improved Further CPU usage optimizations, specially when fan control is set to a constant value
  • Improved Thread-safe stability improvements
  • Fixed Removed displaying of unsupported temperature sensors (e.g. iMac10,1)
  • Fixed Windows: fixed crash when updating Macs Fan Control while the program is running

Version 1.1.1

Released on September 6, 2013
  • New Korean and Danish translations
  • Improved Improved stability and sensors support on some systems (iMac13,1)
  • Fixed Mac: fixed problem with not displaying of menu bar icon menu (when app was started minimized)
  • Fixed Fixed sensor-based control issue when waking mac from sleep (Discussion)

Version 1.1.0

Released on August 21, 2013
  • New Precise temperature display option (display decimals, e.g. 45.4)
  • New Fan control from tray (menu bar icon) popup menu
  • New Spanish, Chinese, Dutch, Greek and Swedish translations
  • Improved Improved display of temperature sensors, separator for disk drives
  • Improved Windows: minimize on close
  • Improved Numerous improvements and fixes

Version 1.0.7

Released on July 22, 2013
  • New Romanian, Czech and Slovak translations
  • Improved Windows: faster reading of temperature values, CPU usage optimization
  • Fixed Fixed some issues that could cause potential crash or instability
  • Fixed Windows: fixed problem when Macs Fan Control displayed zeros for all values (Discussion)

Version 1.0.6

Released on July 9, 2013
  • Improved Improved support of temperature sensor of some HDD/SSDs (e.g. Samsung SSD Pro 840)
  • Improved Mac: digital signature to make Gatekeeper happy
  • Fixed Fixed crashing on quit under some conditions

Version 1.0.5

Released on July 6, 2013
  • Improved Qt framework update (4.8.5)
  • Fixed Mac: fixed excessive logging to console log
  • Fixed Windows: fixed tray icon with increased screen DPI scaling

Version 1.0.4

Released on July 1, 2013
  • New Persian translation
  • Improved Significant CPU usage optimization when Macs Fan Control is working in background
  • Fixed Mac: fixed exclusive access to HDD S.M.A.R.T. data, prevented other apps from reading S.M.A.R.T. or eject a drive

Version 1.0.3

Released on June 19, 2013
  • New Italian translation
  • Fixed Fixed automatic startup option on Windows 8

Version 1.0.2

Released on June 7, 2013
  • New Chinese and Japanese translations
  • Fixed Fixed displaying of invalid temperature value (128 C) on some hardware

Version 1.0.1

Released on May 29, 2013
  • New French, German and Polish translations
  • Improved Mac: improved appearance on MacBook Pro with Retina display
  • Fixed Mac: fixed warning message of non-supported file system
  • Fixed Mac: fixed an important memory leak in sensor-based controlling mode
  • Fixed Minor stability fixes

Version 1.0 beta 5

Released on May 12, 2013
  • New Localization support
  • Improved Support of more temperature sensors (on MacPro as well)
  • Improved Many small improvements and fixes
  • Fixed Mac: fixed some memory leaks
  • Fixed Removed unsupported sensors from sensors list
  • Fixed Windows: fixed problem with not displaying of HDDs
  • Fixed Windows: fixed detecting of some Macs

Version 1.0 beta 4

Released on April 21, 2013
  • Fixed Fixed sensor-based control problem when fan value exceeded maximum allowed value

Version 1.0 beta 3

Released on April 10, 2013
  • New New preferences dialog
  • New Fahrenheit temperature scale option
  • New Mac: display of fan RPM and/or temperature sensor value in menu bar
  • Improved Improved user interface
  • Fixed Small fixes

Version 1.0 beta 2

Released on March 24, 2013
  • Fixed Fixed compatibility with Mac OS 10.6 (Snow Leopard)

Version 1.0 beta

Released on March 10, 2013
  • New initial release for Windows and Mac with support of controlling of any fan speed, temperature sensors pane, tray(menu bar) icon and autostart with system option

Don't hesitate to contact CrystalIDEA if you have any questions.

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