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macOS has been using APFS
macOS Sierra had APFS since 10.12.0, but at beta capacity.

As other folks have pointed out, it cannot be used for startup volume like iOS 10.3 beta 1 can. And there are several other restrictions and compatibility issues.

Most significantly, Apple has been tinkering with APFS since 10.12.0. For instance, you cannot mount APFS volume from 10.12.0 or 10.12.1 with 10.12.2 and later.

And as of macOS 10.2.3, there's no way to do in-place conversion of HPFS to APFS.

iOS 10.3 beta 1 is using APFS for a startup volume AND is doing in-place conversion to APFS. So the only significant remaining issue for enabling APFS for macOS is (1) compatibility issue with some apps (case sensitive file system), (2) Time Machine support, (3) FileVault (should be mostly front-end and conversion work since APFS already has superior encryption), and (4) Fusion drive compatibility.
 
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Anyone have strange device info in the iCloud section in devices area? My main iPhone is showing as "iPhone" not the name it is and the phone number is skewed weird. Also reporting iOS 9.3.3 as the iOS version on that device. Find my phone and iCloud devices all are appearing correct. Just appears this way on iPad with 10.3 b1. The other devices in the list are all correct. Have rebooted and signed out and back into iCloud with no change.

[Edit] The device in question is incorrect in manage AppleID even via web. So somethings up with that not necessarily the beta I guess. Weird that iCloud>settings show the devices correctly. Only AppleID device management is where its incorrect.

[Edit 2] It was resolved by removing that device from appleID and adding it back
 
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Lag when I scroll Spotify.. Data phone.. Telegram.. you too? It's a software or hardware problem? lag isn't present immediately after a reboot
 
Lag when I scroll Spotify.. Data phone.. Telegram.. you too? It's a software or hardware problem? lag isn't present immediately after a reboot

Definitely software (3rd party). Probably due to apps not being updated.
 
Anyone else have an issue when pressing on home button it sometimes doesn't register the first press, this is on an iPhone 7.
 
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Question for anyone on Three UK trying this beta

Does 10.3 support native wifi calling?

For a while now, Three have indicated that native wifi calling is coming soon to iPhone. They have recently (within the last couple of weeks, as I check quite regularly) changed their web page on wifi calling, which makes me wonder if they are gearing towards release, possibly with 10.3? They also removed a reference to it coming to 'iPhone 7' and make it more general 'iPhone', so crossing my fingers they'll support my 6. But perhaps best to confirm with an iPhone 7?

http://www.three.co.uk/discover/Three_inTouch/ios-wifi-calling

No wifi calling yet but three have said on twitter a new carrier update this Friday will be released
 
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Well that sucks. I just had to go and reboot my iPhone 7+, and now that liquid smooth, perfect silky scrolling that I'd had since I updated to the beta yesterday is gone. It's back to the stutteriness just like before.

I wonder what happened... Some fix that was applied post-update but didn't survive the reboot?

This makes me quite sad.
 
Someone explain me, if I try to "shift+restore" with itunes to 10.2.1, it won t let me? I m stuck forever on 10.3 and beyond?? On a side note, there is no xcode on windows so if I encounter any problems and need to restore I won't be able to, right?
You won't be able to restore since Apple has officially introduced Apple File System which a new system once you updated your iPhone with iOS 10.3 Beta it automatically transfer all your files from you device to the new Apple File System which you won't be able to restore to a previous update.
 
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