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Disk Diet Release Notes

If you're new to this app, learn more about Disk Diet, or check out the FAQ to get helpful tips.

System Compatibility Notes

If you're running macOS 11.15 or newer, use the latest version, Disk Diet 5.6.3:
Direct Download • App Store

If you're running macOS 10.13 to 11.4, use the latest, which is Disk Diet 5.6.2:
Direct Download • App Store

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

Disk Diet 5.6.3

October 13, 2025

  • [New] Added support for macOS 26 Tahoe, with updated UI elements and a redesigned app icon.
  • [Improvement]Minor update to German translation.

Note: Due to Paddle licensing changes, the minimum macOS version for the website version is now macOS 11.5.

Disk Diet 5.6.2

March 10, 2025

  • Updated the phrase when no areas are selected to prevent truncation in certain languages.
  • Adjusted the bottom status text for proper alignment.
  • Included both regular and iCloud Drive trashes in the total size calculation for the Trash area.

Disk Diet 5.6.1

January 14, 2025

  • Resolved an issue where certain files, such as those in Downloads, were not removed as expected.
  • Improved the speed of removing unused files.
  • Improved the progress bar to more accurately reflect cleanup progress.
  • Added additional safeguards to ensure partial downloads are not removed.
  • Fixed a bug where cleanup item sizes were displayed as smaller than their actual values.
  • Fixed an issue where the displayed size of regular files in the storage bar could briefly fluctuate during cleanup.

Disk Diet 5.6.0

January 9, 2025

  • Added a new, refreshed app icon for a modern look.
  • Optimized folder size calculations, making them up to 3× faster.
  • Improved wording in dialogs and prompts for clearer interactions.
  • Enhanced translations for French, Spanish, German, Italian, Russian, Japanese, and Simplified Chinese.
  • Fixed an issue preventing users from selecting the system logs folder on macOS 14 and later.
  • Resolved privacy issues where Disk Diet was incorrectly requesting access to other apps’ information and Apple Music data.
  • Addressed a bug that caused the app to continuously prompt users to choose the system logs folder on every launch.
  • Added a feature where holding the Shift key at startup will prompt users to choose the system logs folder if previously skipped.
  • Removed the Recovery volume and all hidden volumes from the volume selection menu to prevent accidental selections.
  • Fixed an issue where the space occupied by junk files only reflected the selected items for cleaning, ensuring accurate disk space reporting.
  • Fully optimized for macOS 15 Sequoia, including improved handling of folder permissions.

Disk Diet 5.5.1

December 8, 2021

  • [New] Increased the size of the configure, reveal and help buttons.
  • [Fixed] Issue where the switch for extra languages wouldn't be drawn properly.
  • [Fixed] Issue where the reveal buttons weren't visible for unused applications.
  • [Fixed] Minor improvements to the translations.
  • [Fixed] Updated the Paddle licensing framework for improved macOS 12 Monterey support.

Disk Diet 5.5

April 19, 2021

  • [New] Full compatibility with macOS Big Sur, including new app icon!
  • [New] Universal Binary with support for Apple Silicon.
  • [New] Improved translations for multiple languages.
  • [Fixed] Issue where external volumes wouldn't be available if they were formatted as APFS.
  • [Fixed] Issue where the cloudd process could crash when cleaning out the caches.
  • [Fixed] Issue where the disk space bar wasn't being drawn properly.
  • [Fixed] Issue where some types of un-installers would be included in the list of apps.
  • [Fixed] Issues related to licensing by updating the Paddle framework to their latest version.

Disk Diet 5.4.10

February 6, 2020

  • [Fixed] Issue with Spanish localization.

Disk Diet 5.4.9

January 31, 2020

  • [Fixed] Issue when connecting to the optional helper tool.

Disk Diet 5.4.8

January 21, 2020

  • [Fixed] Issue where file lists could appear before they were ready on app startup.
  • [Fixed] Issue where not all areas were immediately available after installing the helper tool (direct download version only).

Disk Diet 5.4.7

January 8, 2020

  • [New] Disk Diet will now remember which areas were turned on for the next launch.
  • [New] Improved speed when unused languages and applications are both being checked.
  • [Fixed] Potential crash on macOS 10.11 on app launch.

Disk Diet 5.4.6

November 28, 2019

  • [New] Full macOS 10.15 Catalina support, including using the Hardened Runtime.
  • [New] Large speed improvement when finding and removing files. The code has been re-engineered to use all available CPU cores.
  • [Fixed] Issue where the disk space bar wouldn't be correct after removing files.

Disk Diet 5.4.5

August 21, 2019

  • This is a critical update, please make sure to install! We were made aware of a privilege escalation vulnerability (thanks to obdev for reporting it) that affected Disk Diet. This update resolves it on macOS 10.12 or higher by installing a new helper tool. If you are running 10.10 or 10.11 you must upgrade to a newer macOS to be protected. Note: Apple only added the functions required to fix this properly in 10.12.
  • [Fixed] Issue where it could be possible that the System Logs would not be available to clean.
  • [Fixed] Issue where applications inside other apps would be shown in the Unused Applications.
  • [New] Applications in the Utilities folder will be ignored for the Unused Applications.
  • [New] Caches for VST Ensemble Pro will not be cleaned to avoid any potential issues.
  • [New] Sizes over 1GB will now be shown in bold to highlight which ones to focus on.

Disk Diet 5.4.4

May 3, 2019

  • [New] Improved Russian translation.
  • [New] Added Internet Access Policy (IAP) for Little Snitch that describes every connection Disk Diet can possibly make.
  • [Fixed] Issue where Unused Applications checkbox wouldn't be available if None was selected.
  • [Fixed] Issue where the Free Space / Junk legend colors wouldn't draw properly.
  • [Fixed] Potential crash when starting a clean.
  • [Improvement] Updated Paddle framework to 3.0.40 to include their fixes and improvements for licensing and activations.

Disk Diet 5.4.3

October 11, 2019

  • [New] macOS 10.14 (Mojave) support including for the new system wide Dark Mode, as well as how-to enable Mail Downloads cleaning.
  • [New] Disk Diet now requires macOS 10.10 or higher.
  • [Fixed] Issue where the Unused Applications checkbox wouldn't be enabled in certain cases.
  • [Fixed] Potential crash on app startup.
  • [Improvement] Updated Paddle framework to 3.0.39 to include their fixes and improvements for licensing and activations.

Disk Diet 5.4.2

November 11, 2017

  • [New] Full macOS 10.13 compatibility.
  • [New] Added ability to choose unused apps by last month, last year or last 2 years.
  • [New] Using two decimal places for GB sizes (ex: 1.54GB instead of 1.5GB)
  • [New] Cleaning out more caches folders.
  • [New] Updated Paddle service to 3.0.28 which improves and fixes many issues they were having.
  • [Fixed] Issue where some apps would show as never used when they had been previously launched.
  • [Fixed] Minor issues with some UI alignments for different languages.

Disk Diet 5.4.1

December 10, 2016

  • [Fixed] Fixed potential crash on startup.

Disk Diet 5.4

December 3, 2016

  • [New] Added clean up area for unused applications.
  • [New] Added option to not show the cleanup warning dialog again.
  • [New] Added preliminary support for the new Touch Bar.
  • [Fixed] Issue where the information popovers would display with incorrect colors and sizes.
  • [Fixed] Issue with slow scrolling when cleanup area dialogs were visible.
  • [Fixed] Issue where the disk space bar wouldn't always show the correct section sizes.
  • [Fixed] Issue where revealing an application language folder wouldn't scroll to it in the Finder.
  • [Improved] Minor UI fixes.

Disk Diet 5.3.2

February 9, 2016

  • [New] Updated Sparkle framework to 1.14.0 to resolve potential security risk (see article on Arstechnica for more info).
  • [New] Using HTTPS for updates to further improve security.

Disk Diet 5.3.1

November 28, 2015

  • [Fixed] Fixed crash when opening on 10.7.

Disk Diet 5.3

November 16, 2015

  • [New] Drive information including capacity, space available, model and protocol.
  • [New] Easy to read bar that shows how much space can be freed up by removing all the junk.
  • [Fixed] Potential crash when searching for languages to remove.
  • [Fixed] Asking to install the helper app on each app launch.
  • [Fixed] Updated the Paddle framework to resolve some minor issues with licenses.
  • [Fixed] Updated the Italian translation. Thanks to Giovanni Maria Cusaro for this!

Disk Diet 5.2.5

October 12, 2015

  • [New] Improved compatibility with El Capitan (10.11) for cleaning unused languages.
  • [Fixed] Updated the Paddle framework to resolve some minor issues.

Disk Diet 5.2.4

September 30, 2015

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

Disk Diet 5.2.3

September 18, 2015

  • [Fixed] Issue registering when running El Captian (10.11).
  • [Fixed] Cleaning unused languages now skips the Pacifist app.
  • [Fixed] iPhoto cleanup not being hidden when Photos is available (since it does not support emptying the trash).

Disk Diet 5.2.2

June 8, 2015

  • Important update related to code signing. The app is now signed by Tunabelly Software Inc.

Disk Diet 5.2.1

June 3, 2015

  • [New] Added option to select all or none in the Extra Languages dialog.
  • [New] iPhoto cleanup is only available for OS X 10.10.2 and earlier. The new Photos app does not support "emptying the trash".
  • [Fixed] Uploading of crash logs if the app quits unexpectedly.
  • [Updated] Paddle framework (used for purchasing / activations).

Disk Diet 5.2

April 18, 2015

  • [New] Added "Deregister License" menu item for transferring the license to another Mac.
  • [Updated] Misc improvements and bug fixes under the hood.
  • [Updated] Refreshed icon.
  • [Updated] Paddle framework (used for purchasing / activations).

Disk Diet 5.1.1

November 18, 2014

  • [FIXED] Support for 10.7.5.

Disk Diet 5.1

October 24, 2014

  • [FIXED] Cleaning caches now excludes certain folders including ones for Spotify, Safari Extensions and Audio Units.
  • [FIXED] Issue with cleaning out the Downloads folder.

    • Disk Diet 5.0.3

    June 14, 2014

    • The apache2 folder is no longer removed during a system log clean.

    Disk Diet 5.0.2

    May 21, 2014

    • Resolved issue when choosing the Library folder on a non-startup volume.
    • Better cleaning of system logs.
    • Updated French localization.

    Disk Diet 5.0

    April 21, 2014

    • Now includes 10 areas to clean.
    • Resolved issue when the user's home folder was on a different drive.
    • Resolved issue selecting external drive to clean.
    • New icons inside the app.

    Disk Diet 5.0

    April 21, 2014

    • Now includes 10 areas to clean.
    • Resolved issue when the user's home folder was on a different drive.
    • Resolved issue selecting external drive to clean.
    • New icons inside the app.

    Disk Diet 4.5.1

    December 31, 2013

    • Initial release through Paddle.

    Note: Versions 1.0 to 4.5 were available exclusively on the App Store.

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