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iOS 26.3 and macOS 26.3 Fix Dozens of Vulnerabilities, Including Zero-Day
- tailnode 8mo agoWhy couldn't Apple patch the zero-day using their new Background Security Improvements pipeline? https://support.apple.com/en-us/102657 https://support.apple.com/en-us/102657
- altairprime 8mo agoThey've been delivering empty-noop test updates through that new pipeline in the past couple weeks to beta users, which suggests that they considered it.
- jajuuka 8mo agoI imagine scheduling lined up for the 26.3 release and it wasn't considered dangerous enough. They did this with 26.2 as well including a fix for a zero day. I wonder if they are leveraging that to get people to update sooner. Imagine some people might be turned off of updating with the bugs and visual changes in 26. It's not like 26.2 or 26.3 have any major changes that are enticing.
- altairprime 8mo ago26.4 is likely to have 9 new emoji, as usual for a late-cycle OS release. That may not particularly appeal to the "7bit ASCII for life" subset here, of course, but it's definitely a driver.
- jiehong 8mo agoTheir previous security updates feature was mostly unused. I suppose it’s not really working, or is the product of a team and no other internal team actually use it.
- wpm 8mo agoIt's more the former. I'm assuming though that Background Security updates are basically the same thing as "Rapid Security Responses" was, which on the Mac I can recall being used once, 13.3.1(a) released the same day as 13.4 as an RSR. Basically, the amount of stuff Apple can realistically change on the fly without restiching an entirely new system volume snapshot into place is quite small, so unless the stars align it can't be used. See: https://khronokernel.com/macos/2023/04/18/RSR.html https://khronokernel.com/macos/2023/04/18/RSR.html
- saagarjha 8mo agodyld is not covered by them.
- ProfessorLayton 8mo agoWhile I'm really glad they've fixed a bunch of important security vulnerabilities, I'm really hoping they fixed the screen flickering issue [1] they introduced in macos 26. It has been driving me insane and even impacts my Studio Display. My work computer is locked to 15.7.3 and has no such issues with either the internal or external display (The same display flickers in 26). Really wish Apple would get their software quality up from the gutter. [1] https://www.macrumors.com/2025/12/18/macos-tahoe-studio-display-flickering/ https://www.macrumors.com/2025/12/18/macos-tahoe-studio-disp...
- vondur 8mo agoWow, I have an M4 MacMini with a Studio Display and haven't seen that. Hope I don't Jinx it when I get home to use it...
- deleted 8mo ago[deleted]
- ErneX 8mo agoA similar issue happens with Apple Silicon macs and external monitors since long time ago. A fix I found online [1] is to disable GPU dithering using the Better Display app. The flickering was so bad in my case that the pixels got stuck for some minutes when it happened. [1] https://www.reddit.com/r/mac/s/TDOa9Lb5rP https://www.reddit.com/r/mac/s/TDOa9Lb5rP
- ProfessorLayton 8mo agoI tried that and many other things like changing the default color profile and it and it didn't work. A reboot fixes it for a few days before returning, so it definitely seems like a bug rather than a hardware issue. Both my work MBP (No issues, macos 15) and personal Air (macos26) are apple silicon.
- ErneX 8mo agoDang, it worked for me, but my monitor is a 4K BenQ not a Studio Display, must be something else with those then.
- pikhq 8mo agoI hope they release a version of these fixes on iOS 18 in a form installable on an iPhone 14; I've been trying to stay away from Liquid Glass until it's actually usable. I really don't want to be forced to upgrade, since Apple seems to have replaced UX testing with "just ship it," as has become standard in the industry.
- BitwiseFool 8mo agoLiquid Glass looks pretty from a distance, but my biggest gripe with the design language is just how difficult so many things become to read or interact with. Given that the whole raison d'être of liquid glass is transparent effects, the options to limit that or otherwise increase contrast simply do not go far enough. I also balk at how much extra computing power is needed to generate effects I find no value in and would prefer to disable. My hope was that Apple would be forced to course correct in subsequent releases but that doesn't seem to be happening.
- tailnode 8mo agoThey almost certainly will course-correct in the next release now that the culprit responsible for Liquid Glass is no longer at the company. But they won't chuck it out wholesale; it will be a gradual evolution back to sanity.
- dylan604 8mo agoThey reacted pretty quickly to the butterfly keyboard fiasco. By the time users received the shipping products of the first gen, the second gen were already in the pipeline so there was a slightly modified with only a dust cover being added. There was no third gen. Hopefully iOS 26.x releases will continue to correct Liquid Glass, but I'm guessing iOS 27 is well down the path with it still integrated. Maybe iOS 28 will see sanity return???
- procaryote 8mo agoSecond gen butterfly keyboard broke a lot too. And then there was the no-esc touch bar, and the removal of inverted-T arrow keys... It took a few years of no good mac laptops before they backpedalled enough to get back to where they started
- Aloha 8mo agoNow if they'd only fix the CarPlay issues, I really miss working navigation in my car. I have called and opened tickets, and I keep hearing it'll be fixed real soon now.
- pier25 8mo agoWere Sequoia and iOS 18 affected?
- bayesnet 8mo agoIs there any word on whether these vulnerabilities were exploitable on devices with MIE[0]? [0]: https://security.apple.com/blog/memory-integrity-enforcement/ https://security.apple.com/blog/memory-integrity-enforcement...
- walterbell 8mo agoIf Apple won't disclose, we'll need to wait for public PoCs for testing on MIE-enabled devices. Relatedly, did Apple baseband have similar vulnerabilities as Broadcom WiFi/Bluetooth baseband?
- NetOpWibby 8mo agomacOS was so buggy for me a few days ago that I updated my computer to the public beta. Boom, problem solved. So bizarre.
- copperx 8mo agoDo you feel an improvement in speed? My 32GB RAM M5 MBP is slow as molasses in Tahoe. My M1 MBA feels much faster (I haven't updated yet).
- lynndotpy 8mo agoDo you use a lot of electron apps or a Chromium-based browser? Ever since Liquid Glass, I've had to run this script at each boot: #!/bin/bash launchctl setenv CHROME_HEADLESS 1 defaults write -g NSAutoFillHeuristicControllerEnabled -bool false It removes the drop-shadow from Chrome and removes an autofill context.
- lynndotpy 8mo agoAh whoops, missed a line break: #!/bin/bash launchctl setenv CHROME_HEADLESS 1 defaults write -g NSAutoFillHeuristicControllerEnabled -bool false
- seanieb 8mo agoCareful if you're still on MacOS Sequoia, Apple has hidden Tahoe as a default under updates. If you click updated now it automatically upgrade you to Tahoe.
- 486sx33 8mo ago[dead]
- fainpul 8mo agoIf that's true, that would be new: https://daringfireball.net/2025/11/software_update_tahoe_confusing https://daringfireball.net/2025/11/software_update_tahoe_con...
- seanieb 8mo agoI believe it is new. I’ve never seen them: - put a upgrade os version under “updates” - then select the upgrade os version instead the current version when there are multiple updates ( os patch, safari or xcode)
- deleted 8mo ago[deleted]
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- altern8 8mo agoNow if they'd only fix—meaning remove—Liquid Glass and other nonsense that they've added, I could stop sticking to Sequoia..?
- deleted 8mo ago[deleted]
- an-allen 8mo ago[flagged]
- IAmGraydon 8mo agoDo you care to add something of substance or did you just stop in to leave meaningless, vague comments?
- ost-ing 8mo agoMaybe they can fix Messages from bugging out all the time. Apple software has gone down the drain. I don’t want a million new features I just want the ones that make a phone a phone actually work 99.5% of the time
- LeoPanthera 8mo agoNo problems with Messages here.
- nottorp 8mo agoMessages has always randomly stopped syncing between my devices. No matter the iOS and Mac OS versions i run. Happy?
- altairprime 8mo agoIf you mean "Messages in iCloud": I ended up having to "delete messages from icloud" on all devices, escalate to support after they weren't deleted 45 days later (the UI shows -15 days in that scenario), reenable sync and then see it still failing to complete a Sync Now, redisable sync and re-delete messages in cloud, wait another 45 days, and then ask them to escalate to the iCloud backend team to run a purge on their end of just my messages in icloud records. It worked, but I don't know if they've had enough time for whatever corruption they found to be patched into their automated ops-repair/cleanup processes (and they wouldn't tell me if I asked), it's only been a couple months.
- nottorp 8mo agoAt least I don't store anything in iCloud. Unless Apple stealth turns on something on updates.
- LeoPanthera 8mo agoWhy would I be happy? Your message implied a known issues with Messages affecting everyone. But that is not the case.
- Humphrey 8mo agoHave they fixed all the keyboard bugs introducted in iOS 26.0 yet? I’m not sure how much longer I can put up with issues like this - I might need to switch back to Android if they don't fix these soon. Seriously, how hard is it to correctly measure the keyboard height and not render important UI elements, such as submit buttons, underneath it so you can’t click “Send”? It's getting close to unusable. Update: No they haven't
- soared 8mo agoSo many bugs in this version of iOS, ive never seen anything like it. The UI for so many websites is mildly broken or misaligned now, keyboard randomly has a noticeable lag, audio does not return to normal volume if a background app makes a noise for a moment, and many more. Really awful, I’ve never wanted to downgrade iOS back to the old version until now.
- urbandw311er 8mo agoHang on, where are the equivalent 18.7.5 patches for my iPhone 13 Pro? I feel I should be at least given the security patches if I don’t want to update to Apple’s widely derided iOS 26 UI awfulness.
- gadyq 8mo agoIt made my emails go to split screen which I hate and have tried everything and I can’t get rid of it hate it
- kelm64 8mo agoWhat a fucking shit storm you created Apple once again with shit software 26.3! iPhone 15+: Apps won’t open or can’t log into them or they just crash, screen glitches, saved passwords not working, every single time I have to reset it ( which is often do to your shit software) my sound disappears and I have to play with the silent button and sound buttons, etc. I can’t even get into the Apple community I’m sure it’s cause there’s SOOOOOOOOOO many other people complaining!!!!! ANDROID HERE I COME!!!!!FUCK YOU APPLE NO MORE MONEY FOR YOU BITCHES!!!!!!