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macOS Tahoe 26.2 RC - 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
Original poster
Feb 19, 2022
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Release Date ― 3 December 2025
Build Number ― 25C56
Apple Silicon System Firmware Version ― 13822.61.10
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
  • Dictionary toolbar does not have the blur effect for content that scrolls (FB20961118; present since 26.0)
  • Desktop wallpaper image fidelity cut to 50% if using a non-Apple supplied photo (eg. from Photos/ a file). FB21259665
  • Maps app's sidebar may be visually off (Present since 26.2 Beta 3)
  • On non notched devices, the volume indicator may have excessive padding in full screen (Present since 26.2 Beta 3)
Additional Notes
  • 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, M5
    • 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 26.2 Release Notes
  • macOS Tahoe Overview
  • Apple Security Updates
  • Become an Apple Beta Tester
  • Full Installer (Direct Download) (Pending)
 
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Not showing as available for me under the AppleSeed Beta, Dev Beta, or Public Beta seeds.
 
Just showed up for me, too. Didn't have to delete anything.. I'm just outside of Chicago.
 
Spocky said:
Out of interest, why would you delete Rosetta?
Click to expand...
The Rosetta package is usually published a little bit after the macOS update goes live. If you have Rosetta installed you might have to wait a little bit longer for the update to show up.

We're talking an hour or two, max. I say, don't bother with trying to delete Rosetta, just be patient.
 
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PotentPeas said:
The Rosetta package is usually published a little bit after the macOS update goes live. If you have Rosetta installed you might have to wait a little bit longer for the update to show up.

We're talking an hour or two, max. I say, don't bother with trying to delete Rosetta, just be patient.
Click to expand...
Ok, I thought so, thanks. I just wait until it shows as there's no desperate rush. Cheers 👍
 
I'm able to click the x on a Notification to dismiss it in Notification Center / Sidebar, but then I'm having to swipe to close the Notification Center and swipe back to open it again so I'm able to click the x on another one. Rinse & repeat,
 
New bug in 26.2. When using a Photos wallpaper, the image is low resolution after the 1st sleep wake cycle. Adding a new desktop with the same image, and then deleting it, fixes the issue.

I swear Tahoe has been the biggest POS release of macOS I've ever used, and I've been using OS X since 10.4.

edit: tagged under FB FB21259665.
 
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did the update. Froze in the middle and rebooted to restore screen. Lucky I had an external drive I could boot from. Downloaded full installer of Beta 2. I am now running again. Whew!
 
nortonandreev said:
They have, thankfully, reverted some of the big shadows.

View attachment 2584861

View attachment 2584860


But some places, like the control centre, still have them.
Click to expand...
I apologize for offtopic remark but with this default menu bar icon spacing I could not see about half of all my menu bar icons. They seem to have forgotten the effect of the notch to this situation. No wonder people have to resort to icon spacing adjustment tricks and icon hiding apps. Fact that many of these menu bar based apps cannot function properly after evicting from menu bar does not help it either...
 
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This is probably THEE WORST "point 2" update I've had the pleasure of working on in the last 25 or so years of working with Macs.
 
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Is anyone getting a white line over the menu bar with 'show menu bar in background' enabled?
 
One of the release notes indicates this is fixed, but I'm still having this issue. Both my iPhone 16 Pro Max and M1 MBP on 26.2 RC

  • Fixed: Devices set to "Everyone" on 26.2 beta 1 are not discoverable by devices on 26.2 beta 2. (163636875)
 
I'm surprised Apple hasn't fixed the issue where apps are staying in the dock after you close them. This must be one of those intentional designs that we don't know we need yet.
 
how is memory usage compared to 26.1? I know it’s far fetched but hoping it’s better. I still haven’t updated to 26.* on my m4 mini, as memory usage is great with AI disabled on 25.
 
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