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I thought these updates were only for us devs... first thing I do is open up Xcode to continue my project, only to see that it doesn't work with El Capitan Beta 2 anymore.

"No problem", I said to myself, "there's a 6.4 beta that should work fine". Except it doesn't.

Xcode 7 isn't an option because I consider releasing my game within the next 2 weeks and if I convert it to Swift 2.0 it'll get rejected because it's a beta language that has been compiled with a beta compiler.

Seriously... ? o_O

Luckily, if you Show the Package Contents of Xcode.app, then go under /MacOS/, you can start Xcode 6 through the terminal. Not like they bothered telling us or anything ........

Probably wanted the real devs to stand out from the crowd, ones who use brains and know how to get around hoops. /s :p
 
As far as I know you need Xcode 6 to develop apps for iOS 8, so there's a reason there
I know this is an old hat, but if you are honestly expecting to use a beta of an operating system to do productive work, you are doing something wrong…
 
Does EC support MST and chaining two DisplayPort monitors? I just got a U2515H to accompany my U2713H and discovered that you only get mirroring. On Yosemite 10.10.4.
 
No. TRIM by default - turned off.
But those who activated the trim in beta 1 - continue to use it ...

Also, Apple has made it possible to run trimforce in protected system.
sudo trimforce enable and sudo trimforce disable in beta 2 - no need rootless=0

I don't have an after market SSD but it is great to hear that they're taking care of end users rather than just writing off third party TRIM support as an inconvenience not worth supporting. It is great to hear that Apple is putting a lot of effort into not only securing their operating system in a meaningful way but also listening to users to ensure that those who needed the 'deep system access' have their needs addressed by listening to why they needed that access in the first place.
 
I thought these updates were only for us devs... first thing I do is open up Xcode to continue my project, only to see that it doesn't work with El Capitan Beta 2 anymore.

"No problem", I said to myself, "there's a 6.4 beta that should work fine". Except it doesn't.

Xcode 7 isn't an option because I consider releasing my game within the next 2 weeks and if I convert it to Swift 2.0 it'll get rejected because it's a beta language that has been compiled with a beta compiler.

Seriously ? o_O

Luckily, if you Show the Package Contents of Xcode.app, then go under /MacOS/, you can start Xcode 6 through the terminal. Not like they bothered telling us or anything ........
Yes, seriously. Please tell me that you are not really running a pre-release BETA operating system on your "production" machine?

I don't get the shock and indignation. You should not be running beta software on your production system. Beta software is for testing in a VM, or another computer. Why would you install a beta operating system if you're actively working on an application that will be released in the next two weeks? That's very dangerous.

Yes, these are previews are for devs. They are for devs to get their apps working with the latest SDKs and operating systems so that they are ready WHEN the new versions of the operating systems are out of beta and released to the public. They are not there to continue working on applications that you're planning to release before the next operating system is released. This is not rocket science to understand.
 
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Really? Well, about time I moved over, then. As a self-proclaimed Mac/iPhone fanatic and all-around tech guy, I'm a little embarrassed I missed the move from POP to IMAP... :oops:
Well. I alway try to accept new things, although result may vary.
IMAP is more recommended in most cases. As I know, only a few mail clients refuse to support IMAP in no reason.

When technology goes on, continuous debate and war between citizens and big boys would only go heating up and it will never end.
 
Check out the video on the new system font from Apple's WWDC session:

https://developer.apple.com/videos/wwdc/2015/?id=804

Apple put an enormous amount of care into designing this font. There are actually different variants for OS X, iOS, and watchOS, and each font renders differently at different sizes to maximize legibility. Crazy little details like making the watchOS version of some characters less rounded to fit more text in a small space while making the apertures larger to make them easier to read at small sizes.
Thanks a lot! Looking forward to watching this later!
 
The comments on here make it very obvious that too many non-developers are downloading and running this. The comments about Java not working, and web pages loading funny, and shorter battery life than 10.10 indicate these people should not be installing the DP as they clearly have no understanding of what a DP is.

Yes, you're absolutely right - under no circumstances should someone running a DP attempt to get advice on how to correct issues or warn other people about their issues. This sort of behaviour might mean people are using these forums for their intended purpose.

I mean what's next? People complaining about other people on forums?

Good job, keep it up.
 
Yes, seriously. Please tell me that you are not really running a pre-release BETA operating system on your "production" machine?

I don't get the shock and indignation. You should not be running beta software on your production system. Beta software is for testing in a VM, or another computer. Why would you install a beta operating system if you're actively working on an application that will be released in the next two weeks? That's very dangerous.

Yes, these are previews are for devs. They are for devs to get their apps working with the latest SDKs and operating systems so that they are ready WHEN the new versions of the operating systems are out of beta and released to the public. They are not there to continue working on applications that you're planning to release before the next operating system is released. This is not rocket science to understand.

I'm an individual/hobbyist developer, so having both a production machine and a testing machine is not something I can afford. We don't always have these hundreds or thousands to shell out.

I fully understand that these are previews and meant to have bugs, but needing to halt developer for current OS versions is a first for me. The fact that Xcode 7 doesn't have a Swift 1.2 compiler doesn't help anyone here.
 
I'm an individual/hobbyist developer, so having both a production machine and a testing machine is not something I can afford. We don't always have these hundreds or thousands to shell out.

Why not setup 2 partitions on the same machine, one for the OS used for production work and the other for 10.11 betas.
 
Anyone getting "Code already used' when trying to download from the website? I haven't given access to my devaccount to anyone, I do have multiple mac's though if that matters.
 
Anyone getting "Code already used' when trying to download from the website? I haven't given access to my devaccount to anyone, I do have multiple mac's though if that matters.

Don't you only use the code to download beta 1 from the site only, then use the Mac App Store Updates section to go to beta 2? That's the way I did it.
 
I'm an individual/hobbyist developer, so having both a production machine and a testing machine is not something I can afford. We don't always have these hundreds or thousands to shell out.

I fully understand that these are previews and meant to have bugs, but needing to halt developer for current OS versions is a first for me. The fact that Xcode 7 doesn't have a Swift 1.2 compiler doesn't help anyone here.

Use multiple partitions.
 
In case anyone is on the latest 10.10.4 and wondering to install this or not to improve Yosemite UI Lag. In short: Don't!

I didn't install beta1, but decided to bite the bullet for beta2.

As for Animations, mission control is smoother, as is opening the notification area, however dragging windows is brutally slow, clearly not yet optimized. There are some pretty bad repaint issues when moving windows on top of each other in both discrete and onboard graphics on a MBP 2014 model.

I expect this will become buttery smooth when they are finished. The trackpad acceleration is also off, feels like a third party plugin has been added, and isn't very smooth.

After the initial install, and disabling automatic graphics switching requires a reboot for it to become "accelerated" otherwise its jerky as hell.

Wait for the public preview. For an OS that is supposed to optimize things, its actually a step back from 10.10.4 for smoothness at this juncture.
 
I'm an individual/hobbyist developer, so having both a production machine and a testing machine is not something I can afford. We don't always have these hundreds or thousands to shell out.

I fully understand that these are previews and meant to have bugs, but needing to halt developer for current OS versions is a first for me. The fact that Xcode 7 doesn't have a Swift 1.2 compiler doesn't help anyone here.
Small SSDs are very cheap these days. You could always install the developer preview on one in an external enclosure. The other option is to use a separate partition on your boot drive.

However, you still haven't fully clarified why you actually felt the need to install the developer preview when you had no real reason to do so. Why don't you roll back? You made a backup before installing a beta OS, right?
 
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