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iOS 26.4 RC ― Bug Fixes, Changes, and Improvements

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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.
BadMelonFarmer said:
Same thing happened to me with hue pro, but with 26.4 beta 2

I ended up having to unlink and set it all back up again.

I reported it to Philips and they have been looking into it.
Click to expand...
I read in a Hue forum it is "only" a problem with the new Hue Pro bridges.
With the old ones everything is working still (I tested this).
 
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drak22 said:
Apple wants you to use the new program, so it makes sense that if it detects both errors, it will make you choose one. But choosing one or the other at this point is irrelevant; they both work exactly the same and produce the same errors. Apple devices also receive far more updates than iTunes, having updated twice in the last three months, while iTunes has only been updated once, and the time will come when they will abandon it.

In short, neither of them will brick your phone because, as I said before, if it detects that you want to install a version the program isn't compatible with, it won't even start; it will ask you to update the program. If it does start, it updates the phone without problems. I still don't see what you're afraid of exactly. I also recommend that if you don't want to be an early adopter or don't have the necessary knowledge and precautions, you stick to stable versions and update programs and versions as they are officially released. But using iTunes to update with the IPSW file will give you twice the headaches, because Apple updates it less and less frequently, and a few months ago it took almost a month to make iTunes compatible with iOS 26.2, while Apple devices were updated a day before the final release to allow the phone to update to this version.
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Well this is the entire crux of the issue. Apple Devices HAS in fact initiated and failed to install many IPSWs (not just betas, but RCs and final releases - so your suggestion to stick to “stable” versions does not apply here, as is the idea that it will simply stop before starting initiating an update it is not compatible with)

And then everyone in the forum jumps on me to say that I am the only person on the planet using Apple Devices and I should be using iTunes instead because it supposedly works so much better.

It seems to me that nobody in this forum can even come to a consensus as to what’s best practices for installing an IPSW and at the end of the day the blame lays with Apple for creating this mess of a situation, as whatever software they provide should… ahh what’s that Apple mantra again? Just work? It should just work. It’s inexcusable.
 
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MrRom92 said:
Well this is the entire crux of the issue. Apple Devices HAS in fact initiated and failed to install many IPSWs (not just betas, but RCs and final releases - so your suggestion to stick to “stable” versions does not apply here, as is the idea that it will simply stop before starting initiating an update it is not compatible with)

And then everyone in the forum jumps on me to say that I am the only person on the planet using Apple Devices and I should be using iTunes instead because it supposedly works so much better.

It seems to me that nobody in this forum can even come to a consensus as to what’s best practices for installing an IPSW and at the end of the day the blame lays with Apple for creating this mess of a situation, as whatever software they provide should… ahh what’s that Apple mantra again? Just work? It should just work. It’s inexcusable.
Click to expand...
Curious, are you using Apple Devices on Windows 11?

If so, I’ve had numerous issues with it as well but found the cause on my end was Windows 11 security configuration blocking the app - AD gave no indication it was being blocked just random errors and failures.
 
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iOSBry said:
Curious, are you using Apple Devices on Windows 11?

If so, I’ve had numerous issues with it as well but found the cause on my end was Windows 11 security configuration blocking the app - AD gave no indication it was being blocked just random errors and failures.
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Yes, I am on windows 11 on both PCs. Was there any fix to this you were able to find? I’m curious exactly what part of the app windows was somehow blocking
 
jfim88 said:
Cam confirm. Icon redraw is live again. 17PM. Using tinted icons.
Click to expand...

Just managed to find a way to reproduce it;

- Open App Store
- Tap in user icon up right
- Tap in updates
- Pull down to force update
- Go back to Home Screen
- Icon redraw occurs in Home Screen and App Library

I have 17PM. Using tinted icons.

Feedback sent.
 
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jfim88 said:
Just managed to find a way to reproduce it;

- Open App Store
- Tap in user icon up right
- Tap in updates
- Pull down to force update
- Go back to Home Screen
- Icon redraw occurs in Home Screen and App Library

I have 17PM. Using tinted icons.

Feedback sent.
Click to expand...

Same. Seems to be while updating the app process or so.
 
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s2mike said:
Been seeing this for the last 3 hours when trying to access Concerts within Music…

View attachment 2614895
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So this is still happening. Restarting the phone didn’t work. I can still scroll horizontally through the list of concerts via the Home tab. I can tap on concert listings and it works fine. I just can’t tap the “Concerts” heading and be taken into that specific section of Apple Music.

Any suggestions?
 
Also, is there a reason that I’m seeing Blood Oxygen data, but not in the “Vitals” window with the other metrics? I thought iOS 26.4 was bringing Blood Oxygen back to this bottom window with the Vitals metrics…

(I have an Apple Watch Series 11)

1773933971802.png
 
aliakio said:
Tell me if it’s only me. Phone app is broken. When i tap to call a contact from contacts tab it says call failed. It works ok from recents tab. Same happens from contacts app. It’s been like this since beta 4. Has to be the new phone icon they added in contact details (alongside the icons for each detail, mail etc)
Click to expand...

Mine seems to be working okay. I can call from Contact, Recent, Favorites, and Messages (iOS and Android users).

Did find one concerning issue; my Favorites was blank. All entries gone. Put them back in and it is working fine.

UPDATE: further digging found a number of my COntacts had previously removed information placed pack into the contact. Example: it put my old address (from 3 years ago) back into my contact. Old email addresses also. Going back through them now to fix. 😕

btw - spell check still sucks.
 
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I’m very happy to report that Apple fixed one my biggest complaints since they introduced Apple Music. The search tab in music.app always defaulted to Apple Music search even though I have it turned off and I have my own personal library. Now they removed that search tab at the top! Niche case I’m sure since most people don’t keep a personal library like myself nowadays. However, welcome nonetheless.

Also, this is the smoothest release on 26 so far IMO.
IMG_4985.png
 
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VineRider said:
Loaded the RC via Public Beta on iPhone 16 Pro.

Noticed that in settings/about/iOS Version, it no longer lists the build number. It just says 26.4.

Anyone else seeing this?
Click to expand...

Missing in Settings but still lists in the Status app so not totally hidden.

Found it. They hid it in the 26.4 number (tap it). Another layer deeper 😕. SOS.
 
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s2mike said:
Also, is there a reason that I’m seeing Blood Oxygen data, but not in the “Vitals” window with the other metrics? I thought iOS 26.4 was bringing Blood Oxygen back to this bottom window with the Vitals metrics…

(I have an Apple Watch Series 11)

View attachment 2615001
Click to expand...
IMG_4887.jpeg

Shows up for me, but didn’t immediately after updating. Only showed this morning, did you update today or yesterday?
 
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vertsix said:
The RC is pretty good. Looks like Apple is slowly getting their **** together.
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Shooo.. the only lapse they had was when they kicked out Jobs. Good thing Apple figured out how to afford to buy him and NeXT back into the fold!

Thinking of which, I wonder who's after Tim? It'll be soon..
 
s2mike said:
Also, is there a reason that I’m seeing Blood Oxygen data, but not in the “Vitals” window with the other metrics? I thought iOS 26.4 was bringing Blood Oxygen back to this bottom window with the Vitals metrics…

(I have an Apple Watch Series 11)

View attachment 2615001
Click to expand...
It has to have a measurement just shortly before getting up or it will stay blank.

1773943980072.png
 
Something about Liquid Glass looks different on the RC to me. Has the clear > milky animation changed? Are the specular highlights different?

Is it completely in my head? That is definitely a possibility.
 
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