macOS Tahoe 26.3 RC - Bug fixes, changes, and more

[WilliApple]

Release Date ― 4 February 2026
Build Number ― 25D122
Apple Silicon System Firmware Version ― Pending
T2 BridgeOS System Firmware Version ― Pending

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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

• On non notched devices, the volume indicator may have excessive padding in full screen (Present since 26.2 Beta 3)
• 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
• 12-Hour times is displaying noon times as 00:00PM - 00:59PM instead of 12:00PM to 12:59PM
• Some major graphical issues may be present in this beta.
  • Present since (26.3 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, as 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 26.3 Release Notes
• macOS Tahoe Overview
• Apple Security Updates
• Become an Apple Beta Tester
• Full Installer (Direct Download) (Pending)

 

[PotentPeas]

There was a widely reported garbled cursor bug with 26.3 beta 3.
Also quite a number of users complaining about a regression in graphics / game performance in 26.3 beta 3. (1 2 3)
Hopefully both of these are addressed in the RC?

 

[flowrider]

RC not yet available for me

Edit:
Got it now. Downloaded on my M2 Mac Pro and M2 MBA👍🏻 But, the download process was very different. On the Mac Pro, the usual download status bar did not appear. When I prompted the download, the machine immediately shutdown and the screen immediately went black for ten or so minutes then the familiar apple with the status bar appeared. The MBA processed the update in the normal expected way

Lou

 

[Adora]

Seems my Mac survived. 🙃 Nothing special happened.