Yosemite: Fresh install or update?

[inscrewtable]

I have always done a fresh install when a new version os x has been released in the past. When the final release of 10.10 is available in a few months, I was wondering if there is any practical and real reason (as opposed to mere speculation) to do a fresh install on a rMBP with SSD rather than update over the top of Mavericks.

I've signed up for the public beta and I will install over the top of mavericks on a bootable clone but if there are any problems I won't know if it's because of the beta or the over the top install.

 

[TheColtr]

I have always done a fresh install when a new version os x has been released in the past. When the final release of 10.10 is available in a few months, I was wondering if there is any practical and real reason (as opposed to mere speculation) to do a fresh install on a rMBP with SSD rather than update over the top of Mavericks.

I've signed up for the public beta and I will install over the top of mavericks on a bootable clone but if there are any problems I won't know if it's because of the beta or the over the top install.

I installed the DP 2 on my rMBP just updating (not fresh restore) and its running like a charm. I would say just update but if you start having problems then do the fresh restore.

 

[576316]

I agree with the above response. There's no need to do a fresh install, OSX usually handles updates pretty well. But if you start to notice significant or abnormal problems then a fresh install may well fix them.