mavericks.pngApple today seeded build 13C59 of OS X 10.9.2 to developers, marking the sixth beta iteration of 10.9.2.

The release comes roughly a week after the fifth OS X 10.9.2 beta, build 13C53, and nearly two months after the first OS X 10.9.2 beta.

The update is available to registered developers through the Software Update mechanism in the Mac App Store as well as through the Mac Dev Center.

Apple continues to ask developers to focus on mail, messages, graphics drivers, VoiceOver, VPN, and SMB2. Earlier betas of OS X 10.9.2 began allowing Mac users to block people on iMessage and FaceTime, as can be done in iOS 7, and also introduced FaceTime Audio.

Related Forum: OS X Mavericks

Top Rated Comments

SoldOnApple Avatar
128 months ago
Super Mario Bros 2 being included is probably the biggest surprise.
Score: 16 Votes (Like | Disagree)
Sky Blue Avatar
128 months ago


What's going on??

It's a beta.
Score: 7 Votes (Like | Disagree)
3282868 Avatar
128 months ago
I completely agree with you here, but about all MBPs have been suffering from lag issues ever since 10.7 at least and Apple never fixed it.

Although Mac OS X improved a lot between 10.0 and 10.6, dropped a lot in 10.7...
This might answer your question.

1. Bertrand Serlet
S.V.P. OS X Engineering
10.4-10.6

2. Craig Federighi
S.V.P. OS X Engineering
10.7-10.9

I applaud 10.9 for [finally] addressing SMB2, multiple displays, OpenGL 4.0+, memory management, and other power user related issues developers have filed since 10.7, it is still a far cry from the OS X installments under Bertrand Serlet. Couple this with iOS engineering focus and Apple's increasing insistence on moving engineers off OS X to iOS development instead of actually hiring more capable engineers, and you might see a pattern.
Score: 5 Votes (Like | Disagree)
Bokito Avatar
128 months ago
It happens on SSD's too, but besides that, why should running the OS off of an SSD be a requirement to get a lag-free OS? That's just Apple not knowing how to optimize an OS and relying on better hardware to cover sloppy coding.

I completely agree with you here, but about all MBPs have been suffering from lag issues ever since 10.7 at least and Apple never fixed it.

Although Mac OS X improved a lot between 10.0 and 10.6, dropped a lot in 10.7 and again improved from 10.7 to 10.9 it's speed is nowhere compared to Mac OS 9.
Score: 5 Votes (Like | Disagree)
Makosuke Avatar
128 months ago
I am very heartened to see SMB2 on the list of things they're focusing testing on. Word on the street is that 10.9.2 will finally fix the serious SMBD problems that have been causing me headaches to no end with my Windows users, which I'm desperately hoping is true.

I don't want it to ship until it's ready, but that can't happen soon enough.
Score: 5 Votes (Like | Disagree)
Nobita Avatar
128 months ago
I just want them to fix Mail for once and for all.

I'll give them an easy hint: copy the code to handle the back end from iOS. It all works perfectly over there.
Score: 4 Votes (Like | Disagree)

Popular Stories

apple card 1

Apple Ending Apple Card Partnership With Goldman Sachs

Tuesday November 28, 2023 3:09 pm PST by
Apple is ending its credit card partnership with Goldman Sachs, according to The Wall Street Journal. Apple plans to stop working with Goldman Sachs in the next 12 to 15 months, and it is not yet clear if Apple has established a new partnership for the Apple Card. Apple and Goldman Sachs will dissolve their entire consumer partnership, including the Apple Card and the Apple Savings account....
iOS 17

Everything New in iOS 17.2 Beta 4

Tuesday November 28, 2023 12:18 pm PST by
Apple is wrapping up development on iOS 17.2, with the update expected to come out in December. While we're getting to the end of the beta testing period, Apple is still tweaking features and adding new functionality. We've rounded up everything new in the fourth beta of iOS 17.2. Default Notification Sound Under Sounds & Haptics, there's a new "Default Alerts" section that allows you to ...
ios 17 namedrop

Police Departments and News Sites Spreading Misinformation About How iOS 17 NameDrop Feature Works

Monday November 27, 2023 5:11 pm PST by
Apple with iOS 17.1 and watchOS 10.1 introduced a new NameDrop feature that is designed to allow users to place Apple devices near one another to quickly exchange contact information. Sharing contact information is done with explicit user permission, but some news organizations and police departments have been spreading misinformation about how NameDrop functions. As noted by The Washington...
All New CarPlay Five New Features Article 2

What to Expect From All-New CarPlay, Still Listed as Coming 'Late 2023'

Tuesday November 28, 2023 7:44 am PST by
At WWDC in June 2022, Apple previewed the next generation of CarPlay, promising deeper integration with vehicle functions like A/C and FM radio, support for multiple displays across the dashboard, increased personalization, and more. Apple's website still says the first vehicles with support for the next-generation CarPlay experience will be announced in "late 2023," but it has not shared...
iOS 17

iOS 17.1.2 Update for iPhone Likely to Be Released This Week

Monday November 27, 2023 8:24 am PST by
Apple will likely release iOS 17.1.2 this week, based on mounting evidence of the software in our website's analytics logs in recent days. As a minor update, iOS 17.1.2 should be focused on bug fixes, but it's unclear exactly which issues might be addressed. Some users have continued to experience Wi-Fi issues on iOS 17.1.1, so perhaps iOS 17.1.2 will include the same fix for Wi-Fi...
Apple 5G Modem Feature Triad

Apple to Discontinue Custom 5G Modem Development, Claim Reports

Wednesday November 29, 2023 4:19 am PST by
Apple is discontinuing in-house modem development after several unsuccessful attempts to perfect its own custom 5G modem chip, according to unconfirmed reports coming out of Asia. According to the operator of news aggregator account "yeux1122" on the Naver blog, supply chain sources related to Apple's 5G modem departments claim that the company's attempts to develop its own modem have...
Apple Logo

Apple Discontinued These 5 Products This Year

Monday November 27, 2023 7:03 am PST by
As the end of 2023 nears, now is a good opportunity to look back at some of the devices and accessories that Apple discontinued throughout the year. Apple products discontinued in 2023 include the iPhone 13 mini, 13-inch MacBook Pro, MagSafe Battery Pack, MagSafe Duo Charger, and leather accessories. Also check out our lists of Apple products discontinued in 2022 and 2021. iPhone Mini ...
Google Drive

Some Google Drive Users' Files Have Mysteriously Vanished

Tuesday November 28, 2023 3:55 am PST by
Google Drive users have been warned not to disconnect their account within the Google Drive for desktop app, after a spate of reports of files going missing from the cloud service. Alarm bells began ringing last week on Google's community support site when some users reported files mysteriously disappearing from Google Drive, with some posters claiming six or more months of data had...