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This issue of TidBITS is all about Apple’s annual operating system updates. Adam Engst leads off by telling you why you should probably wait a bit before upgrading to macOS 10.13 High Sierra, and he puts watchOS 4 through its paces. Josh Centers, author of both “Take Control of iOS 11” and “Take Control of Apple TV” contributes a pair of articles, one that focuses on 11 things you need to know about iOS 11 and another that reviews tvOS 11. We have more content about iOS 11 on our Web site, but the final article we’re including in this issue is an important warning from Mark Anbinder about a Mail bug in iOS 11 that affects users of Microsoft-provided email services. Notable software releases this week include (deep breath!) Moneydance 2017.5, Microsoft Office 2016 15.38, Quicken 4.6.4, Apple Configurator 2.5, GraphicConverter 10.5, Carbon Copy Cloner 5.0.2, Typinator 7.3, 1Password 6.8.2, Default Folder X 5.1.6, Airfoil 5.6.3, and Pages 6.3, Numbers 4.3, and Keynote 7.3 for Mac.

Mark H. Anbinder 6 comments

iOS 11 Mail Failing to Send with Microsoft-Hosted Accounts

Due to an improperly negotiated HTTP/2 connection, Mail in iOS 11 is having trouble sending email with, Office 365, and Exchange Server 2016 accounts. Those who haven’t yet updated to iOS 11 and rely on Microsoft-hosted email should probably delay the upgrade. If you have already upgraded to iOS 11, you can either use Microsoft’s Outlook client or potentially disable HTTP/2 in Windows Server 2016.

Adam Engst 16 comments

watchOS 4: The TidBITS Review ⭐⭐⭐⭐

Adam Engst reviews watchOS 4, which provides new features and tweaks to the Apple Watch interface. Overall, it’s a good and worthwhile update that fixes some glaring interface errors and improves overall functionality, but it’s not the sea change that watchOS 3 was.

TidBITS Staff No comments

ExtraBITS for 25 September 2017

In ExtraBITS this week, Apple’s upcoming AirPower charging mat won’t work with older Apple Watches, Apple increased the App Store’s cellular download limit, the length of iTunes movie rentals has doubled, and we recommend the story of how a journalist tracked down a tech support scammer.