[racket-dev] OS X 10.7 review/summary

In a fairly user-focused review I saw, the 'automatic snapshots' sounded great. Apparently an app that subscribes to some Lion protocol gets automatic snapshots so that you can say 'I don't like what I did in the last 10 mins, let's go back' It also saves automatically when you forget. Good for kids, students, and old professors. 




On Aug 6, 2011, at 6:29 AM, John Clements wrote:

> I don't know if you folks have already seen this, but for any of you considering or using OS X 10.7, the Ars Technica review appears to contain some fairly detailed developer information.  I'm only on the second page, but table of contents entries such as "Automatic Reference Counting vs. Garbage Collection" look ... interesting. 
> 
> http://arstechnica.com/apple/reviews/2011/07/mac-os-x-10-7.ars
> 
> 
> 	• Installation
> 	• Reconsidering fundamentals
> 		• Lion's new look
> 		• Scroll bars
> 		• Window resizing
> 		• Animation
> 		• Here's to the crazy ones
> 		• Window management
> 		• Application management
> 		• Document model
> 		• Process model
> 			• The pitch
> 			• The reality
> 	• Internals
> 		• Security
> 			• Sandboxing
> 			• Privilege separation
> 		• Automatic Reference Counting
> 			• Enter (and exit) garbage collection
> 			• Cocoa memory management
> 			• Enter ARC
> 			• ARC versus garbage collection
> 			• ARC versus the world
> 		• The state of the file system
> 			• What's wrong with HFS+
> 			• File system changes in Lion
> 			• File system future
> 		• Document revisions
> 		• Resolution independence
> 	• Applications
> 		• The Finder
> 		• Mail
> 		• Safari
> 	• Grab bag
> 		• System Preferences
> 		• Auto-correction
> 		• Mobile Time Machine
> 		• Lock screen
> 		• Emoji
> 		• Terminal
> 		• About This Mac
> 	• Recommendations
> 	• Conclusion_________________________________________________
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