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Older software

If you’ve been browsing our site today, you may notice that our older products are now listed as such. You may also notice that we’re ending support for iDefrag and iPartition on the 31st of March this year. Why? We’re sad that we feel we have to ...

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What works on macOS 10.13 High Sierra? What problems exist?

Some users might want to know what will work, and what will not work, with current versions of our software on macOS 10.13 High Sierra, so here’s what we know right now. This information applies to both iDefrag and iPartition.

  • Direct access to the boot disk is no ...

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macOS 10.13 support

We’re increasingly being asked about support for macOS 10.13. Normally, when a version of the macOS is in beta, our response is to comment that we won’t promise support until we’ve seen the final release, because we got our fingers burned many versions ago when Apple ...

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iDefrag 5.3.0 beta

Users who purchased prior to the recent 5.2.0 update will almost certainly be aware that the latest update removed two algorithms, namely “Quick (on-line)” and “Selected Files (on-line)” because of problems with online defragmentation (which we think are caused by kernel bugs in the macOS itself).

First, a ...

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iDefrag 5.2.0

We’ve just released iDefrag 5.2.0. This version fixes a number of cases where reboot-and-defragment wasn’t working, and also tidies up after itself slightly better.

We also took the difficult decision to remove the on-line defragmentation functionality from this version if it finds itself running on macOS ...

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SoftRAID Fix

We’ve just released updates to both iDefrag (version 5.1.10) and iPartition (version 3.6.1) to fix a compatibility problem with the latest version of SoftRAID, whereby iPartition fails to display any disks at all, and iDefrag displays some disks with a blank name if there is ...

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iDefrag 5.1.8

We’re pleased to announce the release of iDefrag 5.1.8 (release notes).

This version resolves the following problems:

  • Reboot-and-defragment mode failed to function on macOS 10.12.4.
  • Graphical corruption on buttons in reboot-and-defragment mode (this wasn’t an iDefrag bug per se, but is resolved by the changes made ...

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iDefrag and macOS 10.12.4

On macOS 10.12.4, changes made to the system mean that iDefrag 5.1.7 and earlier can no longer enter reboot-and-defragment mode. We understand the cause of this problem, and have what we think is a solution for it, which is currently being tested to make sure we ...

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iPartition 3.6.0

Users running macOS Sierra (10.12) may be interested in the iPartition 3.6.0 update. This is only for users running 10.12 and above; those running 10.10 or 10.11 should stick with version 3.5.1 instead.

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iDefrag 5.1.7

We’re pleased to announce the release of iDefrag 5.1.7 (release notes).

This version resolves a problem with the code signature on the CoriolisSnapshot.kext kernel extension that was affecting customers with macOS Sierra.

There are no other changes in this release.

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