Apple Seeds First OS X 10.10.5 Yosemite Beta to Developers - MacRumorsOpen MenuShow RoundupsShow Forums menuVisit ForumsOpen Sidebar
Skip to Content

Apple Seeds First OS X 10.10.5 Yosemite Beta to Developers

os_x_yosemite_round_iconApple today seeded the first beta of OS X 10.10.5 to developers, two weeks after releasing OS X 10.10.4 to the public. Coming just a few months ahead of the public release of OS X 10.11 El Capitan, OS X 10.10.5 may be one of the last significant updates to Yosemite.

The new beta, build number 14F6a, can be downloaded from the Apple Developer Center.

It is not yet clear what's new in the OS X 10.10.5 beta, but like 10.10.4 and earlier betas, it likely includes bug fixes and performance enhancements.

OS X 10.10.4, the current version of OS X Yosemite, introduced multiple bug fixes and under-the-hood performance improvements, including the removal of the problematic Discoveryd process.

Related Forum: OS X Yosemite

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 Today With These 8 New Features

Monday September 14, 2026 9:00 am PDT by
Update: 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 changes coming with iOS...
deep black iphone 18 pro

Apple Says iPhone 18 Pro Max Sold in U.S. Differs in One Way

Saturday September 12, 2026 3:27 pm PDT by
As noted by Nicolas Lellouche, who writes for the French tech website Numerama, Apple has updated its tech specs pages for the iPhone 18 Pro and iPhone 18 Pro Max to clarify which models are equipped with its new C2 cellular modem and where. Apple now says the iPhone 18 Pro has a C2 modem worldwide, while the iPhone 18 Pro Max uses the chip in every country except for the U.S. According...

Top Rated Comments

146 months ago
Yosemite ?
Yes. You know, the current OS X release.
Score: 7 Votes (Like | Disagree)
bladerunner2000 Avatar
146 months ago
Maybe they will once everyone understands sarcasm.
I don't think sniffies was being sarcastic.
Score: 2 Votes (Like | Disagree)
bladerunner2000 Avatar
146 months ago
Are you proposing Apple abandon the current most up to date release of OS X? Great plan.
LOL!

Macrumors needs to reinstate downvoting comments.
Score: 2 Votes (Like | Disagree)
RoelJuun Avatar
146 months ago
Businesses don't upgrade that quick...
Most businesses don't use Yosemite.
Score: 2 Votes (Like | Disagree)
146 months ago
Yosemite ? Isn't it outdated already ? :p
Score: 2 Votes (Like | Disagree)
146 months ago
Any new video drivers?
Nope. At least the intel HD 3000 (10.0.31) and the 4000/5000 (10.6.31) are the exact same versions as Yosemite 10.10.4
Score: 1 Votes (Like | Disagree)

🔗 Related Apple News & Rumors

Stay updated with the latest Apple ecosystem news and verified rumors