I realized before I ordered Snow Leopard a week ago that there could be some compatibility issues.

Obviously, Microsoft Office is a third party program and you can't fault Apple completely for compatibility issues.

So far, I have not had any compatibility issues with the applications I use

No compatibility issues till now, everything is working fine, even all the 10.5 apps.

However some compatibility issues do exist, one of my favorite programs "Calibre" for my eReader no longer works.

I haven't had a single problem, though friends with slightly older systems have reported compatibility issues with some non Apple apps.

So far as I can tell I have had no compatibility issues.

There are some quirks here and there, but all in all it handles failures pretty well, and I didn't suffer from any of the application stability, or compatibility issues

) characters on your trackpad(this only applies to newer macs that have the buttonless gigantic trackpad)cons:-there are some compatibility issues

However some compatibility issues do exist, one of my favorite programs "Calibre" for my eReader no longer works.

Also, if you have programs that might have compatibility issues I'd probably recommend holding off and waiting for these to be resolved before upgrading

No compatibility issues till now, everything is working fine, even all the 10.5 apps.

There are many blogs with lists of compatibility issues to help you

Also, for those in a corporate or business environment, there are many compatibility issues with network servers, especially Exchange

As many Adobe CS3 and CS4 users reported when this update came out in 2009, there are major compatibility issues.

I thought I should do a little more research and check the latest compatibility issues.

I've had a few (albeit small) compatibility issues with some Adobe plug-ins, but everything was fixable

I have had no compatibility issues.

If you use Adobe Creative Suite 3, or Photoshop CS3, read the forums regarding compatibility issues

I can't comment on any new features, but it works as it's supposed to.

10.5.8 was still there and everything worked as if nothing had ever happened

I bought this program from the apple store to install on my 20'' iMac, previously running os x 10.4, & after installing it and updating everything, it worked as if brand new