Leopard backwards compatible?

Member
Posts: 53
Joined: 2006.10
Post: #1
Hi,

I read on apple's site that Leopard is coming out in October. So, I was wondering if anybody here knows if they will be backwards compatible? I mean will my universal binaries that I can make now also work in Leopard fine? Or will I have to buy Leopard to test and write from scratch my programs? Annoyed

I'm asking because I want to sell both of my mac laptops on ebay and then go buy a new macbook with the money but I don't know if I should wait until after October so then maybe the macbook will be preinstalled with Leopard? But maybe they will postpone Leopard's release and i don't want to wait forever. Also, maybe I won't get much money for my laptops if I wait until after October...

So, anybody know if Leopard is backwards compatible?
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Oldtimer
Posts: 834
Joined: 2002.09
Post: #2
Yes, it is. A few things will be deprecated (QuickDraw) but they will still be running well. Smile
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Moderator
Posts: 508
Joined: 2002.09
Post: #3
In theory: if it runs on Tiger (10.4) it will run on Leopard.

As Fenris mentioned, you might get warnings about deprecated api's when compiling your apps in Leopard. But even with these warnings your app should run.

You will need to test though to be sure.

"When you dream, there are no rules..."
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Member
Posts: 715
Joined: 2003.04
Post: #4
developer.apple.com should keep you up to date and worry free.
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Moderator
Posts: 3,577
Joined: 2003.06
Post: #5
Fenris Wrote:Yes, it is. A few things will be deprecated (QuickDraw) but they will still be running well. Smile
Heck, QuickDraw is already deprecated in 10.4!

Personally, I'd wait until 10.5 to buy a new machine at this point, it's just too close to release, and I seriously doubt it'd get delayed any further -- even with the current delay of 10.5, Apple has a pretty good track record of getting things out the door on time for the most part.
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Member
Posts: 81
Joined: 2007.05
Post: #6
Ouch! Select membership is $500. Huff, I'm going to wait.

Think I'll partition my intel quad box and put 10.4 on one partition and 10.5 on the other.

My g5 is my primary computer. I'm going to switch over to the quad when 10.5 comes out. No rush with these things...
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Member
Posts: 715
Joined: 2003.04
Post: #7
10.5 is due October?
Apple tends to have a quiet hardware 'update' around Mid-September.

Has anyone every used those software coupons that come with their Mac?
I must have piles of those things, they get dropped back in the box and
forgotten just like the manual for the computer I've never had to read.
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Sage
Posts: 1,232
Joined: 2002.10
Post: #8
macnib Wrote:Ouch! Select membership is $500.

That includes one hardware discount, which works out to about $500 off a new laptop. So if you're upgrading anyway, it basically pays for itself.
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