Anyone using as main OS?

i am. i have used it for about 2 hours and the only real bug i have found is my spotlight wont index besides that it seems to be very smooth for a beta.

I am, and i must say its actually really good! I haven't found any major bugs.

And to answer your question, when you update all you files/programs/everything is still all there.

Because I've only just got Lion the way I want it, and I'm actually using it for work a lot more frequently then before, I decided against taking the usual plunge and consequential reinstalls for every new Preview- Dual-Booting at the moment. Once I'm happy at how stable it is, then I'll go ahead and migrate everything over. The iOS integration is killer though.

GoGa said:

I am, and i must say its actually really good! I haven't found any major bugs.

And to answer your question, when you update all you files/programs/everything is still all there.

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I have used it since yesterday(without replacing Lion) , it is way way way faster than Lion and is actually lovely and stable.

Nope it breaks a few core stuff for me and is therefore untenable.

Wirelessly posted (Mozilla/5.0 (iPhone; CPU iPhone OS 5_0_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A406 Safari/7534.48.3)

i am but shouldnt have ^^ Spotlight is broken and the mission control preview pictures of all your spaces are low res and full of pixel

I am no real massive glitches although the install totally screwed my machine so had to start from scratch.

(I do have an image of my drive prior to update so will simple chuck that back on if I land in any issues.)

So if I buy a dev account I'll be able to use Mountain Lion on my dads MBP? He said he doesn't mind me doing this at all.

Or could I just put it in VMWare Fusion?

Thanks

I don't know about VMWare, but you can install it on an external drive and boot from that.

To those who have installed it: How is battery life?

Kariya said:

Nope it breaks a few core stuff for me and is therefore untenable.

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care to elaborate?

On the 4th(?) day and no major bugs to report on a clean install… I just hope DP 2 doesn't break anything.

I'll probably switch tomorrow..

I would, but I just worry that beta 2 or 3 will require me to reinstall it all, not just do an update...

Does anyone in here actually has permission to be running Mountain Lion through their developer license? I can't imagine a developer recommending that anyone use a beta OS as their primary OS.

No, you should never use a developer preview as your day to day OS even if you're a developer. Developer previews are updated often and things that work can break without much warning and so on. Just wait for Mountain Lion's public release, there's no reason to jump the gun and start using it as your primary OS less than a week into the dev preview. Yeesh.

Blipp said:

Does anyone in here actually has permission to be running Mountain Lion through their developer license? I can't imagine a developer recommending that anyone use a beta OS as their primary OS.

No, you should never use a developer preview as your day to day OS even if you're a developer. Developer previews are updated often and things that work can break without much warning and so on. Just wait for Mountain Lion's public release, there's no reason to jump the gun and start using it as your primary OS less than a week into the dev preview. Yeesh.

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I have a paid dev account - it expires in 6 days though

Surely by people using it as their main OS it has to be a good way to find bugs? That's how I see it.. then whenever I come across a bug I submit it to Apple.

Blipp said:

No, you should never use a developer preview as your day to day OS even if you're a developer. Developer previews are updated often and things that work can break without much warning and so on. Just wait for Mountain Lion's public release, there's no reason to jump the gun and start using it as your primary OS less than a week into the dev preview. Yeesh.

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I could be wrong, but it's my understanding that a dev preview is exactly as the name implies- giving a pre-release platform to developers so they can iron out any compatibility issues before ML gets released to the public.

It's been great for me- love the addition of notifications, notes, and reminders. As others have also mentioned, it just feels a little smoother.

Got it running in Parallels Desktop 7 at the mo. Assigned it 2 cores and 4GB ram and it runs fine.

I will wait till it goes GM later this year before upgrading from Lion though.

I've been using 10.8 for 2 days as my main OS. Everything is backed up to Time Machine so I'm not really worried. I have noticed quite a few bugs, of course I'm not surprised as this is just DP1.

Bug 1. After pausing a video in iTunes you have to close it and reopen the video. If you try to simply resume from pause, the audio continues while the video just freezes.

Bug 2. Can not skip to next video in iTunes as the same audio with no video happens.

Bug 3. Browsing System Preferences for over 1 min without closing and reopening will cause it to crash.

Bug 4. iCal crashes often when in use.

Other than that, I haven't seen anything else other than buttons that you click not always acting right away.

Benjamindaines said:

care to elaborate?

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iStat Pro, Macaroni, RSS (the biggest no no)

I've been using Mountain Lion as my main OS for over a week. The only major issues I've had are related to connecting to my Cinema Display, but even those issues got worked out. Overall, I'm very satisfied and I'm looking forward to future updates. If you're looking for some info on Mountain Lion check out my website.

I've been using ML as my primary OS on my MacBook Air, which is my secondary computer. However it gets used on a daily basis at school.

if i install this does it have the normal updates just like Lion or will I need to reinstall everything once the GM comes out?