Apple delays Mac OS X Leopard until October 2007, blames iPhone

Apple StoreApple today released the following statement:

iPhone has already passed several of its required certification tests and is on schedule to ship in late June as planned. We can’t wait until customers get their hands (and fingers) on it and experience what a revolutionary and magical product it is. However, iPhone contains the most sophisticated software ever shipped on a mobile device, and finishing it on time has not come without a price — we had to borrow some key software engineering and QA resources from our Mac OS X team, and as a result we will not be able to release Leopard at our Worldwide Developers Conference in early June as planned.

While Leopard’s features will be complete by then, we cannot deliver the quality release that we and our customers expect from us. We now plan to show our developers a near final version of Leopard at the conference, give them a beta copy to take home so they can do their final testing, and ship Leopard in October. We think it will be well worth the wait. Life often presents tradeoffs, and in this case we’re sure we’ve made the right ones.

Sources: PRNewswire, Apple Hot News

Still, better fully-baked in October, than undercooked in June.

Good thing Mac OS X Tiger is already the world’s most advanced operating system.

(Note: Big party scheduled for the weekly Dvorak-Enderle-Thurrott-Kantor coffee klatch! Stay tuned for ridiculous articles trying to equate Apple’s 4-month delay to Microsoft’s over 4-year long Windows Longhorn/Vista/PigLipstick debacle.)

Related articles:
Ihnatko: Hands-on with Apple’s iPhone (which runs Mac OS X 10.5 Leopard) – January 18, 2007

Latest Mac OS X 10.5 Leopard build still accompanied by lengthy bug list – April 12, 2007
RUMOR: Apple to release Mac OS X 10.5 Leopard in June – April 02, 2007
Apple’s Mac OS X Leopard to feature ZFS? – March 29, 2007
Mac OS X 10.5 Leopard’s top secret ingredient: 3D everywhere, including new 3D Finder? – March 27, 2007
Apple to delay Leopard?’s poor Apple rumor accuracy – March 23, 2007
Apple to postpone Mac OS X Leopard until October in order to support Windows Vista? – March 23, 2007
RUMOR: Some Mac OS X 10.5 Leopard ‘top secret’ features leak out – January 26, 2007
RUMOR: Apple Mac OS X Leopard to replace ‘Aqua’ with ‘Illuminous’ – December 11, 2006
Apple confirms ‘resolution independence’ and more coming in Mac OS X 10.5 Leopard – October 23, 2006


  1. I, for one, am glad that they are doing the right thing…

    However, will this ruin any chance of getting a major number of switchers from Windows? It may just be too much time for people to wait… they will just “get Vista instead”.

  2. Saw it coming all along. Even the very latest Leopard client release. What seems to be problematic at this point is keeping it universal, as in backwards compatible.

    Then, when it finally comes out, some people will say- “all that wait for this?”

    You watch.

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