are there applications broken by latest OSX?

I'm running OSX 10.8.5. When I'm using my mac, I keep being offered chances to upgrade to the latest version of OSX. I haven't upgraded. My computer is working fine, and I'm concerned that an OSX upgrade would break applications. I have a session I'd like to attend that requires OSX 10.9. Four questions:

1. Is my concern misplaced, and the latest OSX doesn't break applications?

2. If it does break applications, is there a list of the applications?

3. Is OSX 10.9 available? The thinking is that OSX 10.9 has to be closer to my current system the latest OSX.

4. If so, where?

iMac, OS X Mountain Lion (10.8.5)

Posted on May 22, 2016 7:37 PM

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are there applications broken by latest OSX?

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