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iOS 26 Beta 1 ― 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.
maxrest said:
I'm still on 18.5 but I'm tempted to jump aboard the beta train with this revised beta. Seems like it's slightly more stable than the original build.
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This is just first impressions, I didn't have either beta installed for long.
If 18.5 is a 10.

Stutters on Rev 1: 3/10
Stutters on Rev 2: 6.5/10

Heat on Rev 1: 2/10
Heat on Rev 2: 6/10

I can't help you with battery unfortunately.
This is assuming the device is still going through background tasks.

If you have no self control like me, it might be worth it.
If you have some level of self control, waiting for how people go with beta 2 may be advisable.
 
teflocarbon said:
This is just first impressions, I didn't have either beta installed for long.
If 18.5 is a 10.

Stutters on Rev 1: 3/10
Stutters on Rev 2: 6.5/10

Heat on Rev 1: 2/10
Heat on Rev 2: 6/10

I can't help you with battery unfortunately.
This is assuming the device is still going through background tasks.

If you have no self control like me, it might be worth it.
If you have some level of self control, waiting for how people go with beta 2 may be advisable.
Click to expand...
Unfortunately, I also don’t have self control and the beta is currently downloading haha
 
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Well, I tried to do update to the new version of beta 1 via IPSW and ended up with an error so now I'm in DFU mode trying to do a restore. :cool:
 
teflocarbon said:
I updated from 18.5 to the new build after reverting to 18.5 from the original and I can definitely tell that the new build has significantly fewer stutters, frame drops and heat. It was cooler than the original build was, even when charging.
I'll give it a few days to see how it goes. Likely still going through indexing and other background tasks.
Click to expand...
I also went from iOS 18.5 to iOS 26 for a day or two. The battery drain (and how ugly it looks) ended up with me reverting back to 18.5… and now I’m tempted to update to iOS 26 AGAIN!

First time I ever reverted back after downloading a Beta 1, and I think I’ve installed every Beta 1 since iOS 4 or 5.
 
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Has anyone tested battery life with / without accessibility transparency reduction? I haven’t tested it - but I’m curious to know how much is the toll to have all those glass refractions being processed everywhere on the interface…
 
WildstarBR2020 said:
Has anyone tested battery life with / without accessibility transparency reduction? I haven’t tested it - but I’m curious to know how much is the toll to have all those glass refractions being processed everywhere on the interface…
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Slight improvement in battery life during the 24 hours I tried.
 
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I wonder if they are going to leave that annoying black blur on the header and footer sections of Safari? How absolutely annoying.

If so, I will have to switch browsers. Way too distracting.
 
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s2mike said:
I also went from iOS 18.5 to iOS 26 for a day or two. The battery drain (and how ugly it looks) ended up with me reverting back to 18.5… and now I’m tempted to update to iOS 26 AGAIN!

First time I ever reverted back after downloading a Beta 1, and I think I’ve installed every Beta 1 since iOS 4 or 5.
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Wow so far this new beta does feel a lot better — I’m surprised.
 
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After a few hours my phone is now cool and things seem to have mostly stabilised. Battery life seems, actually fairly decent as well, I'm surprised.

I don't have any evidence to back this up, but my initial theory is that in the first revision, there was possibly some background task that hung infinitely or looped in some way that caused that initial "I just did a major OS update" heat and sluggishness to never fully go away?

This might've also been why it was luck of the draw for some, some people may not have had this issue whilst some others did. I'd imagine this could be why the 15 and 16 had such atrocious performance. It would explain the quick hotfix as well, although there could've definitely been an engineer crying at his desk through WWDC trying to work it out.
 
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I’m legit having a much better experience with this revised beta than I was with the original beta on my iPhone 16 Pro.

Your mileage may vary.
 
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teflocarbon said:
This is just first impressions, I didn't have either beta installed for long.
If 18.5 is a 10.

Stutters on Rev 1: 3/10
Stutters on Rev 2: 6.5/10

Heat on Rev 1: 2/10
Heat on Rev 2: 6/10

I can't help you with battery unfortunately.
This is assuming the device is still going through background tasks.

If you have no self control like me, it might be worth it.
If you have some level of self control, waiting for how people go with beta 2 may be advisable.
Click to expand...
Beta 2/3 likely will be worse than beta 1 - don’t recommend it to people guys, this is most likely „false advertising“ 🤣

In the past iOS beta 2/3 was most of the time way more unstable, so yeah don’t recommend to wait, and if you do so, recommend waiting for beta 4!
 
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I almost didn’t pull the trigger after all the bad reviews on here regarding bugs etc but I couldn’t hold off anymore since iPhone is just my secondary device anyway and I have to say … it is running great on my iPhone 16 Pro? 🤷🏽‍♂️
 
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Wow I can’t believe how different this new beta feels…

Wow. Super usable for me.

Installing watchOS 26 now.

(iPhone 16 Pro)
 
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I wonder if the other older iPhones are having fewer performance problems with the original beta than the 15 & 16 series. Or perhaps it was due to some other bug why Apple reserved this second dev beta 1 for the 15 & 16 series.
 
EugW said:
I wonder if the other older iPhones are having fewer performance problems with the original beta than the 15 & 16 series. Or perhaps it was due to some other bug why Apple reserved this second dev beta 1 for the 15 & 16 series.
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Idc about these thoughts. Useless really


I only dream about beta 4 when things are coming together really

PS:
my 11 inch WiFi and celular m4 iPad crashes in any multitasking mode…. Tut
One task at a time is perfectly fine.

So annoying. 😂
 
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