Apple has seeded version 1.1 of ZFS (Zettabyte File System) for Mac OS X to Developers this week. The preview updates a previous build released on June 26, 2007.
In the release notes, Apple confirms that the original release of Mac OS X Leopard (10.5) will only offer Read-Only ZFS. As a result, no ZFS pools or filesystems can be modified or created under 10.5.0. This developer's preview enables full read/write capability, including the creation/destruction of ZFS pools and filesystems.
ZFS is described as "a fundamentally new approach to data management. We've blown away 20 years of obsolete assumptions, eliminated complexity at the source, and created a storage system that's actually a pleasure to use."
The initial version of Mac OS X 10.5 Leopard is rumored to be released on October 26th, 2007. It's unclear when Leopard will incorporate full Read/Write ZFS support, but it seems clear that Apple is working on adding this functionality.
Tuesday September 15, 2026 1:43 am PDT by Tim Hardwick
Apple today announced a new subscription initiative that turns paid iCloud+ subscriptions into a broader services bundle in more than 100 countries.
In select countries, Apple says every paid iCloud+ plan, including the cheapest 50GB tier, now includes Apple TV and Apple Arcade "at no additional cost," while family sharing extends the storage, TV and Arcade access to up to five people....
Monday September 14, 2026 10:48 pm PDT by Tim Hardwick
Apple released iOS 27 this week, and despite the company's focus this year on refining its flagship operating system and nixing bugs, there are still many additional features to explore, not least of which is Apple's new context-aware Siri, re-tooled for the generative AI era.
Which iPhones Support Every iOS 27 Feature?
This year's major iPhone software update isn't all about AI, though,...
Monday September 14, 2026 9:00 am PDT by Joe Rossignol
Update — 10 a.m. Pacific Time: Apple has released iOS 27.
During its iPhone 18 Pro and iPhone Duo event last week, Apple announced that iOS 27 will be released widely on Monday, September 14.
iOS 27 should be available around 10 a.m. Pacific Time / 1 p.m. Eastern Time today via the Settings app, under General → Software Update.
Below, we have highlighted eight new features and...
