Apple Seeds First Developer Build of Mac OS X 10.6.5 - MacRumorsOpen MenuShow RoundupsShow Forums menuVisit ForumsOpen Sidebar
Skip to Content

Apple Seeds First Developer Build of Mac OS X 10.6.5

231046 10 6 5 10h525

Apple today seeded the first developer build of Mac OS X 10.6.5, the fifth maintenance release to the company's Mac OS X Snow Leopard operating system. According to those familiar with the release, which is termed Build 10H525, developers are being asked to focus their testing on iCal, Mail, Printing, 3D Graphics, QuickTime and X11.

The build reportedly contains two documented known issues related to activating user interface elements in Web Views such as in the iTunes Store and errors with connecting to Exchange servers. Apple also notes that Mac OS X 10.6.5 developer builds contain the latest graphics drivers being tested in parallel in the Snow Leopard Graphics Update.

We noted late last month that Apple appeared to be gearing up to begin seeding builds of Mac OS X 10.6.5, but it seems to have taken a bit longer than expected for Apple to push out the first of an unknown number of builds. Apple's seeding programs can be highly variable in length due to the uncertain nature of the testing and tweaking process, and thus we do not yet have an estimate of when Mac OS X 10.6.5 might be released to the public.

Mac OS X 10.6.4 was released in mid-June, shortly after the close of Apple's Worldwide Developers Conference.

Popular Stories

iOS 27 Next to iPhone

Here's When iOS 27 Rolls Out Today in Every Time Zone [Update: It's Out]

Sunday September 13, 2026 3:00 am PDT by
Update 10:04 a.m.: iOS 27 is rolling out now, though it may take a bit for all users to see it, so keep checking! Apple is about to release iOS 27, which will finally deliver more advanced Siri AI capabilities as well as a variety of other refinements, improvements, and new features to iPhones. It's Apple's biggest software update of the year, and Apple announced at Wednesday's iPhone event...
iOS 27 Icon iPhone

iOS 27 Available Now With These 8 New Features

Monday September 14, 2026 9:00 am PDT by
Update — 10 a.m. Pacific Time: Apple has released iOS 27. During its iPhone 18 Pro and iPhone Duo event last week, Apple announced that iOS 27 will be released widely on Monday, September 14. iOS 27 should be available around 10 a.m. Pacific Time / 1 p.m. Eastern Time today via the Settings app, under General → Software Update. Below, we have highlighted eight new features and...
Apple iCloud Plus expansion hero

iCloud+ Now Includes Apple TV, Apple Arcade, and Curated Apple Music Stations in Over 100 Countries

Tuesday September 15, 2026 1:43 am PDT by
Apple today announced a new subscription initiative that turns paid iCloud+ subscriptions into a broader services bundle in more than 100 countries. In select countries, Apple says every paid iCloud+ plan, including the cheapest 50GB tier, now includes Apple TV and Apple Arcade "at no additional cost," while family sharing extends the storage, TV and Arcade access to up to five people....

🔗 Related Apple News & Rumors

Stay updated with the latest Apple ecosystem news and verified rumors