Apple Seeds Sixth OS X 10.10.4 Yosemite Beta to Developers and Public Beta Testers - MacRumors
Skip to Content

Apple Seeds Sixth OS X 10.10.4 Yosemite Beta to Developers and Public Beta Testers

by

os_x_yosemite_round_iconApple today seeded the sixth beta of OS X 10.10.4 to developers and public beta testers, approximately one week after releasing the fifth OS X 10.10.4 beta and nearly two months after releasing the first OS X 10.10.4 beta. OS X 10.10.4 has been in testing since mid-April, following the early April release of OS X 10.10.3, which included the new Photos for OS X app.

The new beta, build 14E36b, can downloaded through the Software Update mechanism in the Mac App Store or through the Mac Developer Center.

OS X 10.10.3 brought several consumer-facing changes including the new Photos for OS X app, a redesigned emoji picker, and diversified emoji, but OS X 10.10.4 appears to be an under-the-hood update that brings performance enhancements and bug fixes.

Thus far, OS X 10.10.4 betas have not included outward facing design changes or feature additions, but the fourth beta introduced a significant behind-the-scenes update that may improve networking performance for users who have experienced issues with OS X Yosemite.

Discoveryd, a somewhat problematic networking process that has been linked to multiple bugs in OS X 10.10, was removed in favor of the older bug-free mDNSresponder.

It is not clear when Apple plans to release OS X 10.10.4 to the public, but the fact that we've now received six betas suggests we may be nearing the end of the beta testing period. It's possible we could see the public release of OS X 10.10.4 on June 30, the same day Apple plans to release iOS 8.4 with the new Music app and Apple Music service.

Related Forum: OS X Yosemite

Popular Stories

iCloud iPhone 17 Pro

iPhone Users Who Pay for iCloud Storage Get Two New Perks on iOS 27

Tuesday June 9, 2026 11:29 am PDT by
If you pay for extra iCloud storage on your iPhone, beyond the 5GB included for free, you might receive two more perks on iOS 27 at no additional cost. First, Apple said there will be daily usage limits for some of the new and enhanced Apple Intelligence features on iOS 27, including image generation. However, the company noted that "increased access" is available with "most" iCloud+ storage ...
Read Full Article
CarPlay Siri AI

Apple Announces New CarPlay Features on iOS 27, Including Video Apps

Monday June 8, 2026 4:17 pm PDT by
Back at WWDC 2025, Apple revealed that it was planning to allow CarPlay users to watch video via AirPlay in their vehicles while they are not driving, but we did not hear many specific details about this functionality until now. In a WWDC 2026 video aimed at developers, Apple said the CarPlay video feature is available in new vehicles that support it. When playing a video in an iPhone app...
Read Full Article • 68 comments
Apple Says iOS 27 Adds These 12 New Features to Your iPhone Feature

Apple Says iOS 27 Adds These 12 New Features to Your iPhone

Tuesday June 9, 2026 9:47 am PDT by
iOS 27's key new feature is a more intelligent and personal version of Siri, but the changes go well beyond that. In a press release today, Apple outlined additional enhancements coming across Apple Maps, Find My, Apple Wallet, Apple Music, and more. Apple Maps has gained an enhanced Flyover experience powered by AI, enabling you to view aerial imagery in "stunning detail" for select cities. ...
Read Full Article • 29 comments

Top Rated Comments

AZhappyjack Avatar
AZhappyjack
143 months ago
So.. We get yet another Mac OS X Yosemite 10.10.4 BETA just one week after the last one, but still no iOS 9 BETA2 to fix the battery drain? :(
iOS beta releases have not come more frequently than about 2 week intervals, historically. OS X dev previews have pretty much followed suit in terms of release schedule, at least for the .0 releases.

Your patience will be rewarded.

This chart is iOS beta releases, and is included for reference:



Attachment Image
Score: 8 Votes (Like | Disagree)
M
MikhailT
144 months ago
How many more betas are there gonna be of 10.10.4? Damn. It's been in testing for 2 months!
As many as it takes to get the quality of the update to be as bug-less as possible, especially as this may the last update to Yosemite before they shift to El Cap completely. Complex software like an OS update takes months to test, validate, and finish.

The whole reason Yosemite was buggy as heck was because they didn't take their time to do it right.
Score: 8 Votes (Like | Disagree)
TMRJIJ Avatar
TMRJIJ
144 months ago
OS X Yosemite? What is this nonsense? El Capitan is where it's at. I barely remember Yosemite. What version was that . . OS X 10.3? I'm pretty this came before Tiger right? hmmm . . . . .
Score: 8 Votes (Like | Disagree)
sniffies Avatar
sniffies
144 months ago
Yosemite is history.

Give us El Capitan beta 2, Apple Music, and Apple News.
Score: 8 Votes (Like | Disagree)
mw360 Avatar
mw360
143 months ago

3 - Insane battery drain. I was getting 20+ hours under iOS 8 two weeks ago. Now I'm getting 4-6 hours with iOS 9 beta 1. This is easily the highest priority bug to fix - it impacts me every day and renders my iPhone for the later part of the day. This isn't a small problem that requires a bit of tweaking - this seems like a massive issue that needs to be fixed immediately. It may be a small issue code wise... maybe just a busy loop somewhere wasting power in the background... but it has a huge impact on user experience
Nothing is a massive issue in beta 1. Even if the OS crashed every 30 seconds beta testers aren't supposed to go around getting their knickers in a twist about it. You would submit a bug report, and advise you are unable to test further and wait for beta 2. You don't demand a beta 2 'immediately.'

If your user experience is being impacted every day then you shouldn't have installed a developers' beta 1 OS on your phone. If this were a release candidate, you might have a point, but there are months ahead where the beta process will take its usual course. You may find the battery drain is actually a very low priority bug right now, depending on how much Apple know about the causes, and how much work would be involved to fix it.
Score: 5 Votes (Like | Disagree)
star-affinity Avatar
star-affinity
143 months ago
The whole reason Yosemite was buggy as heck was because they didn't take their time to do it right.
I wouldn't call it ”buggy as heck”. Yosemite is and has been working very well for me overall.
Score: 4 Votes (Like | Disagree)
Read All Comments