We’ve received a number of queries (and a few bug reports) relating to the OS X 10.8 Mountain Lion developer preview, some in under 24 hours from the developer seeds becoming available. To be clear:

• We do not&nbsp_place_holder;recommend running disk utility software (anybody’s, not just ours) on pre-release versions of Mac OS X. For all we know, Apple has made changes to the filesystem that require updates to our code.

• We do not&nbsp_place_holder;provide support for use of our software on developer preview versions of OS X.

• Developer pre-releases of OS X have been known to contain serious bugs, some of which could result in data loss. While we are aware that some end-users like to run the developer previews, they are really intended for developers to test their products in advance of the release of the new version, and Apple does not even recommend that developers&nbsp_place_holder;run the seed releases on their main development systems.

Finally, please remember that, no matter how many people have access to it, developer preview software is covered by a non-disclosure agreement. We will accept bug reports (though it may be a technical breach of the NDA on your part), but under the terms of the Developer Agreement the only place we can talk to you about the developer preview release is the Apple Developer Forums website, and that isn’t an appropriate place for us to provide support.