At first read, Adobe had me thinking that they had decided to treat Macintosh as second class citizens for some strange reason. I recently read that Adobe was going to release it's next version of Creative Suite including Photoshop in 64-bit and for Windows only.
I was shocked since it seemed to me that the majority of sales for Creative Suite comes from the Macintosh side. I really was left scratching my head at such move.
Then I read this short little blurb from John Gruber's Daring Fireball and found out why.
What happened? In short, Apple cancelled 64-bit Carbon:
As we wrapped up Photoshop CS3, our plan was to ship 64-bit versions of the next version of Photoshop for both Mac and Windows. On the Mac Photoshop (like the rest of the Creative Suite, not to mention applications like Apple’s Final Cut Pro and iTunes) relies on Apple’s Carbon technology. Apple’s OS team was busy enabling a 64-bit version of Carbon, a prerequisite for letting Carbon-based apps run 64-bit-native.
At the WWDC show last June, however, Adobe and other developers learned that Apple had decided to stop their Carbon 64 efforts. This means that 64-bit Mac apps need to be written to use Cocoa (as Lightroom is) instead of Carbon. This means that we’ll need to rewrite large parts of Photoshop and its plug-ins (potentially affecting over a million lines of code) to move it from Carbon to Cocoa.
It’s a great post; Nack does a good job dispelling any potential notion that this is a sign that Adobe’s commitment to the Mac is any way flagging.
It's a shame that Photoshop and other Creative Suite products are written in Carbon for the Mac. It probably got them into OS X very quickly some 7 years back, but not it's biting them.
On the other hand, you really can't blame them. Apple still has quite a few products in Carbon including iTunes and Finder. If Apple expects others to switch to Cocoa, they really should shine a light on the path and make the move themselves. With the news that Apple has dropped 64-bit Carbon, I suspect that Apple will be making that move soon for iTunes, Finder and the rest of the software that is still Carbon.


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