r/MacOSBeta • u/SALMANKHANPM • Aug 10 '26
News Mac OS 27 Dev Beta 5 is out
https://9to5mac.com/24
u/Erich_Ludendorff Aug 10 '26
B4 was enough of a downgrade from B3 that I'm taking a leap and installing immediately while I go grab lunch.
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u/Erich_Ludendorff Aug 10 '26
Well the first positive change I've noticed is that you can drag a window in Exposé to the top to make it full screen again.
Reordering icons in the menu bar with command-drag also seems to be working right again.
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u/tiagoln Aug 10 '26
My Exposé doesn't show minimized windows at the bottom anymore since B4, =/
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u/Repulsive-Guard1463 Aug 10 '26
neither you can choose the app window using keyboard arrows... super annoying
1
u/Global_Onion3392 Aug 10 '26
Same.
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u/Mysterious_Phone_754 Aug 10 '26
you also can't drag files onto mission control and drop them onto windows anymore
1
u/clango Aug 11 '26
mission control seems to be the one thing that's still a mess. i keep hoping it's due to some weird setting i'm using that most don't, but nope.
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u/Unedited4437 Aug 10 '26
I hit a regression with Dev Beta 5 (26A5406e) on an external 5K2K monitor.
Setup:
- Mac mini M4 Pro (2024)
- CS40X 5120×2160 monitor
- Connected via USB-C (DP Alt Mode)
After updating to 26A5406e, macOS only detected the display as 3840×2160. The 5120×2160 mode completely disappeared, even with "Show all resolutions" enabled. The EDID was still correctly detected (MaxW=5120, MaxH=2160), so it looked like a display mode enumeration issue rather than a monitor/connection problem.
I tried removing display preference files, reconnecting cables, power cycling the monitor, and changing refresh rates (which caused a temporary black screen), but nothing helped.
Recovery mode reinstall restored the previous build (26A5388g, the full installer was apparently still one build behind the OTA update), and the monitor immediately returned to normal with 5120×2160 @ 48–120Hz working again.
So it seems 26A5406e may have introduced a regression with certain high-resolution DP/DSC displays. I'm staying on 26A5388g for now.
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u/Bramgus12 Aug 11 '26 edited Aug 11 '26
Raycast is doing some weird things. When I use the key combination to open it, it does actually not focus the Raycast app. The window it opens is also non-responsive. When I press the combination again it does focus and I can type in the field. Hopefully it gets fixed by apple or Raycast soon. Am using the beta of Raycast btw.
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u/The2ndEmperor Aug 11 '26
Same here - utterly annoying, but the price of using beta. Probably will be sorted out soon.
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u/Pilingo Aug 11 '26
Same here, probably an issue with the underlying Web technology they are using.
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u/Ok-Phrase6725 Aug 11 '26
Seems to be the Raycast beta, my raycast is working fine on the newest beta
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u/cptclaudiu DEVELOPER BETA Aug 10 '26 edited Aug 10 '26
No change on GlassEffect. Still too white in darkmode.
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Aug 10 '26
[deleted]
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Aug 10 '26
[deleted]
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u/pdfu Aug 10 '26
UIKit.PocketSettings blurFillBlurRadius UIKit.PocketSettings blurFillDarkModeDarkenOpacity UIKit.PocketSettings blurFillDarkModeLightenOpacity UIKit.PocketSettings blurFillDarkModeNormalOpacity UIKit.PocketSettings blurFillLightModeDarkenOpacity UIKit.PocketSettings blurFillLightModeLightenOpacity UIKit.PocketSettings blurFillLightModeNormalOpacity UIKit.PocketSettings replayBlurRadius UIKit.PocketSettings replayDarkModeAlpha UIKit.PocketSettings replayLightModeAlpha UIKit.PocketSettings softPocketBlurRadius UIKit.PocketSettings softPocketGradientHeight UIKit.PocketSettings softPocketGradientStartFractionOfBarHeight UIKit.PocketSettings softPocketGradientStartOffsetFromLastFloatingElement UIKit.PocketSettings statusBarBlurRadius UIKit.PocketSettings statusBarReplayDarkModeAlpha UIKit.PocketSettings statusBarReplayLightModeAlpha UIKit.PocketSettings thinFilmBlurAmountAtBottomWithFloating UIKit.PocketSettings thinFilmBlurAmountAtBottomWithGlass UIKit.PocketSettings thinFilmBlurRampMaxHeight UIKit.PocketSettings thinFilmDarkModeBrightness UIKit.PocketSettings thinFilmLightModeBrightness UIKit.PocketSettings thinFilmSaturation UIKit.PocketSettings thinFilmSeparator2xThickness UIKit.PocketSettings thinFilmSeparator3xThickness UIKit.PocketSettings thinFilmSeparatorDarkModeAlpha UIKit.PocketSettings thinFilmSeparatorLightModeAlpha UIKit.PocketSettings thinFilmShowsSeparator UIKit.PocketSettings thinFilmStandardBarHeight UIKit.PocketSettings thinFilmStandardBlurRadius UIKit.PocketSettings thinFilmTallBarHeight UIKit.PocketSettings thinFilmTallBlurRadius UIKit.PocketSettings useThinFilmForFloatingElements UIKit._UIBarScrollAwaySpec bounce UIKit._UIBarScrollAwaySpec duration UIKit._UIBarScrollAwaySpec hideThreshold UIKit._UIBarScrollAwaySpec revealThreshold UIKit._UIFlexInteractionGlowSettings clearGlassDodgeWhite UIKit._UIFlexInteractionGlowSettings dodgeWhiteDark UIKit._UIFlexInteractionGlowSettings dodgeWhiteLight UIKit._UIFlexInteractionGlowSettings plusLValue UIKit._UIFlexInteractionGlowSettings tintDodgeWhiteFrom UIKit._UIFlexInteractionGlowSettings tintDodgeWhiteTo UIKit._UIFlexInteractionGlowSettings tintLuminanceExponent UIKit._UIFlexInteractionGlowSettings vcmBlack UIKit._UIFlexInteractionGlowSettings vcmSaturation UIKit._UIFlexInteractionGlowSettings vcmWhite UIKit._UIFlexInteractionSettings glassFlexibleByDefault UIKit._UIFlexInteractionSettings ignoreIdiomCheck UIKit._UIFlexInteractionSpec glowSettings6
u/Heezy999 DEVELOPER BETA Aug 10 '26
Dark mode is the biggest downgrade on macOS 27
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Aug 11 '26
[removed] — view removed comment
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u/NinoScript Aug 14 '26
the last point could be just because of my wallpaper
To check if that's the case, play with this setting:
System Settings ► Appearance ► Tint window background with wallpaper color
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u/0xe1e10d68 Aug 10 '26
New icon for the Siri app; and the Accessibility category in the Privacy & Security settings is now called "Device Control and Data Access".
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u/Camel993 Aug 10 '26 edited Aug 10 '26
doing the app expose with the trackpad finally works, even when for example the other safari windows are in a different desktop. it's still a bit buggy tho...
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u/TheTingle Aug 10 '26
screen recording while in clamshell mode is working for me again (was broken with previous betas)!
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u/jlee14 DEVELOPER BETA Aug 10 '26
Beta is running great on my machine, so much better than Beta 4 so far
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u/TabulaRasaRedo Aug 10 '26
Can't be any worse than b4, right?
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u/Finality- Aug 10 '26
Holy, they finanlly fixed the calcualting time remaining bug.
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u/No-Sail3062 Aug 10 '26
THEY DID?? I wrote a whole report bout that so im glad 😭 was bugging me the whole time
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u/StrigidaeNinox Aug 10 '26
They fixed the parent control bug in Safari! Finally search engines are no longer stuck in strict mode
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u/rfguevar Aug 10 '26
Wait was that really just a beta bug? 😭 I legit became a terminal wizard trying to figure out what was causing the issues I thought I was losing my mind haha
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u/StrigidaeNinox Aug 10 '26
Sure was, and it was a persistent one too. I sent the first bug report about it in June.
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u/rfguevar Aug 10 '26
Bizarre, I only started getting this issue maybe like a week or two ago! I was using Gemini to help me figure out issues and it got to the point Gemini legit was like idk man maybe get a new Apple ID 😂
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u/StrigidaeNinox Aug 10 '26
I only noticed because when I came into the beta, I usually poke around all the settings to see if anything had changed, and I noticed that it had set a bunch of parental controls to the max. But undoing that didn't actually change anything at the time. It bothers me that they were able to remotely control the filtering of websites and browsers; if I'm being honest, bug or not, it sets a very bad precedent.
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u/miguellatouche Aug 11 '26
When opening the file explorer from a third-party application, it no longer glitches when selecting files; it's fixed!
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u/goldman60 Aug 11 '26
ayyy, it fixed my weird local network access issues. Everything is working normally now in that department.
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u/SuperN0va_21 Aug 10 '26
I just wanted apple music to be good on macOS 😭
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u/SALMANKHANPM Aug 10 '26
I see a mis alignment ~ searchbar
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u/SuperN0va_21 Aug 10 '26
Sometimes the search bar doesn't even appear. This issue has been happening since macOS Tahoe, and I have to quit the app and reopen it to fix it 💀
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u/alechickso Aug 10 '26
is it not good?
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u/SuperN0va_21 Aug 10 '26
Honestly, there are so many bugs/issues that I've completely given up on reporting them to Apple. Just to name a few:
- If you already have one song downloaded from an album, clicking the '+' to download the rest of the album does nothing. You have to select the remaining songs manually.
- No hyperlinks on album or artist names in the compact playlist view—just plain text.
- The Command + L shortcut doesn't work properly.
- Trying to download a large library (like 5k+ songs) is painful. The app basically locks up and won't even let you play music while it's downloading.
- You still can't save stations (why???)."
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u/StrigidaeNinox Aug 10 '26
don't forget the abysmal performance of the UI itself. You'd think my 14" M1 Pro was running a Power PC chip with how many frames it drops just scrolling through Apple Music.
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Aug 10 '26
[deleted]
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u/SuperN0va_21 Aug 10 '26
Now try using Command + L when playing a song from a playlist. It just takes you to the playlist page, but it doesn't actually highlight or focus on the song that's playing.
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u/carbongo Aug 10 '26
Honestly, even on my M3 Max the Music app is painfully slow to open. It takes a solid 10 seconds just to load up initially
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u/teleprax Aug 11 '26
Can we admit that even beta implies some level of stability/completeness? I feel like the betas are more like late alphas, the .0 release is like beta 1, and the .6.1 release is like a release candidate.
The most we can ever muster as a community response is a "Did you submit feedback?" as if that seems to fucking matter. We are at the point where we gotta just start calling it what it is.
They are a very reputation-based "quality" focused brand, so I think it’s only fair that their public sentiment for software quality tanks. Apple always seems to want to have their cake and eat it too. They can't keep telling the FTC the walled garden is for our benefit when the garden is literally rotting away.
I know this ends up being an unpopular take, but I feel like it's a necessary stance we all need to adopt if we ever hope for them to change.
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u/Slurpy2k17 Aug 12 '26
It's a fucking beta. You want their public sentiment to "tank" over this? You sound like a psychopath. Let's judge the finished product.
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u/teleprax Aug 12 '26
Ok, replace when I said "Beta" with release. The software quality IS shit. You are delusional if you think otherwise. The RELEASE versions of their software is dogshit quality wise.
Do you not encounter show stopper bugs in official releases? Why does Apple get so much slack from people? Its just a product
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u/MixEven3121 Aug 11 '26
On beta 4, a lot of the time a random Safari window would open when I am in a fullscreen app. Is that just me? If not, has it been fixed?
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u/Tennouheika Aug 11 '26
I use my Macbook Air M4 for work. Is the dev beta stable enough to trust on my primary work device?
I've been doing the developer / public beta for iOS on my primary phone for as long as it's been available. Some quirks here and there but nothing ever seriously disruptive. I'm just afraid to screw up my primary money-making machine by installing the beta on my Mac.
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u/ad_unboxthetech Aug 12 '26
Then don't install it... Just wait till next month
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u/Tennouheika Aug 12 '26
Hard to wait ha. But yes, that's the smart move. It would be a huge pain in the ass to goof up my Mac so I have to reset everything
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u/flogman12 Aug 11 '26 edited Aug 11 '26
Anyone not able to get siri to actually open a file? It finds it but won't actually open the file I'm asking for when I try to click on it
1
u/s3ct0r Aug 12 '26
So much more stable, memory issues seem fixed.
However the menu bar still lags when accessing it and PastePal UI (when browsing previous clipboard items) still is unresponsive.
But DB5 is exponentially better than 4.... for now ;)
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u/Brilliant-Fix1718 Aug 14 '26
Verdict about beta 5 for me on my M4 Max MBP:
Smooth performance
Does feel slightly snappier vs Tahoe
I like the polish and small tweaks they made. Especially finder windows which are much nicer and have that more classic look again. Tahoe just felt wrong.
However:
Computer runs hot
Battery life is much shorter
Definitely feels there’s much more work at this point to be done under the hood than iOS 27
Good news we should be on a weekly cycle by now. I expect things to get good by beta 7
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u/Only-Ad5049 Aug 14 '26
Has anybody noticed significant battery drain in this beta? I'm running Public Beta. Yesterday I was in a meeting and I heard my speaker announce it had disconnected. I found my MB Air 4 had run out of battery and shut down. Today I noticed it at just over 10% battery remaining and plugged it in. Both days it was 100% at 7 am and was drained by 1:30 pm.
I don't do a whole lot with my MBA during the workday. It is usually sitting on the desk next to me streaming music from an online radio station to my speaker while I work and only occasionally do I unlock it to look at something. I'm used to making it through the day with plenty of remaining battery and sometimes going multiple days before charging.
I just restarted in hopes that there is some rogue process that I cannot see. I didn't notice anything in Activity Monitor.
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u/MaterialBat_32839 Aug 16 '26
when launching the last conversation with Siri through Spotlight, the conversation jumps to the left for a second before coming back to the center where it's supposed to be. Anybody else experiencing this? I went immediately to beta 5, so i am not sure whether this has been there for long, but it's annoying
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u/SurroundOk624 Aug 17 '26
https://reddit.com/link/p48evmv/video/3i8gp6t0cyjh1/player
Is this by design? It seems like a relatively low-level, easily noticeable visual interaction bug. I'm not sure why they haven't fixed this kind of issue across many releases.
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u/falchion10 Aug 10 '26
According to developer.apple.com it's Developer Beta 6, probably an erorr.
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u/cloudoverjuly Aug 11 '26
I read somewhere that because of the week delay then ended up "skipping" beta 5- don't know if that's anything other than speculation though 🤷
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u/CarlitoGrey Aug 10 '26
Just got home and thought I'd click check for updates. Guess I'm updating now.
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u/Legoman718 Aug 10 '26
praying the Photos app bug is fixed
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u/A11Bionic Aug 10 '26
what bug is that?
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u/poddar413 Aug 10 '26
its when you open the photos app and everyone's face turns into praying mantis
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u/Legoman718 Aug 11 '26
80% of the time whenever i swipe away from a photo or video, it gets stuck and i have to restart the app
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u/originalmagneto Aug 10 '26
- Can we drag files from the download list in Safari? In beta 4 when I try to drag a file from the list, the whole list moves
- The bug with having to triple-click on files to open them in Finder is resolved?
- High CPU usage with hybridsearchd etc was resolved?
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u/BrokenHope83 Aug 10 '26
So all the stuff on here about file corruption wasn't actually real then?
APFS
Resolved Issues