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macOS Tahoe 26.0 Beta 5 - Bug fixes, changes, and more

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The first post of this thread is a WikiPost and can be edited by anyone with the appropiate permissions. Your edits will be public.
WilliApple

WilliApple

macrumors 65816
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Feb 19, 2022
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Release Date ― August 5, 2025
Build Number ― 25A5327h
Apple Silicon System Firmware Version ― 13822.0.277.0.3
T2 BridgeOS System Firmware Version ― Pending
New Features & Changes (Found something new? Please press "Edit" on the bottom of this post and add it here)
Resolved Issues
New Issues
(If you are encountering any issues, please press "Edit" on the bottom of this post and add it here)

Remaining Issues
Untested Issues
  • Alarms may not play when your display is asleep for a long period of time (FB10086690)
    • Workaround: Make your display not fall asleep in Settings > Lock Screen > Turn display off on ____ when inactive. You can turn your brightness off.
    • Issue present since macOS 13.0
Additional Notes
  • This is not currently usable on a day-to-day basis and certain apps may not work. To see those apps, you can check this thread.
  • Please know, Memory Management has always been an issue on any OS (not just Apple's). If you believe there is a Memory Leak, please go to the Apple Menu > Restart > Restart to fix it.
  • When a new macOS release comes out, all issues automatically go to "Untested Issues" until they are moved by someone. Issues that stay in Untested for 3 releases (beta or smooth) will be removed from all future threads. When there is a new macOS release, please be sure to let us know about the issue's status by moving it to either "Remaining Issues" or "Resolved Issues"
  • macOS 26 Tahoe will be installed via a Delta Update in System Settings. Please be aware about this and the update won’t install with an installer.
  • macOS 26 is officially supported on the following devices. If your device is not listed below, it has unfortunately been dropped by Apple. Any efforts of trying to get your Mac running macOS 26, including bugs should be discussed in this thread.
    • MacBook Air: M1, M2, M3, M4
    • MacBook Pro: 2019 (16 Inch only), Intel 2020 (4 thunderbolt port only), M1, M1 Pro/M1 Max, M2, M2 Pro/M2 Max, M3/M3 Pro/M3 Max, M4/M4 Pro/M4 Max
    • Mac mini: M1, M2/M2 Pro, M4/M4 Pro
    • iMac: 5K 2020, M1, M3, M4
    • Mac Pro: 2019, M2 Ultra
    • Mac Studio: M1 Max/Ultra, M2 Max/Ultra, M3 Ultra, M4 Max
  • macOS Tahoe 26.0 Release Notes
  • macOS Tahoe Overview
  • Apple Security Updates
  • Become an Apple Beta Tester
  • Full Installer (App Store) (Pending)
  • Full Installer (Direct Download) (Pending)
 
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Believe it or not, after deleting those 2 rosetta folders (as in previous betas), update is showing.
After that, you can restore them from trash.
 

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I have been unable to install any update since Beta 1. Deleting Rosetta does nothing. Tried a virtual machine. No updates. Tried a separate partition, no updates. I am terrified for the release. Am I gonna have to update a full version every time?
 
OptimusGrime said:
I have been unable to install any update since Beta 1. Deleting Rosetta does nothing. Tried a virtual machine. No updates. Tried a separate partition, no updates. I am terrified for the release. Am I gonna have to update a full version every time?
Click to expand...
If you download and install the full version, Mac OS goes into update mode and does not perform a full installation.
 
If you have Rosetta 2 installed and are not seeing the update... If it is like previous beta drops, the update should appear within the next day or so, whenever Apple publishes the Rosetta 2 package as well.
 
What I've noticed:

- The default Tahoe wallpaper now animates properly
- The Macintosh HD icon has been updated to match the style of the Time Machine drive / Network Drive icons.
- There's a new animation when you use expose to show the desktop - the menubar now fades into focus in front of your window (see video)

 
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MissingTouch ID in settings, there is only login password
 

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Dictionary's icon in the Dock and Application Switcher is not correct on my M1 14" MacBook Pro. It is right in Finder and About Info in the app. Is anybody else having this?
 
The background material of certain Menu Bar items that were previously glass, like Weather and Wifi, is now a new matte-opaque, similar to macOS 15 but whiter and allowing slightly more detail comes through. Notifications also seem to have this new setup.

In other words, they're removed the glass backgrounds for these items. So now notifications don't even look like they do on iOS 26, there's two versions of notifications across this "unified" OS.

The Weather/Wifi dropdowns did need some work to make them more legible, but hopefully this matte background doesn't stick around. The glass was cool.
 

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