Windows 10 19H1 Preview build 18309 available for Fast ring insiders, Here whats new!

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A New Windows 10 19H1 Preview build 18309 is available for Windows Insiders in the Fast ring. According to the Windows Insider blog, the latest 19H1 Preview builds 18309.1000 (rs_prerelease) bringing a new Windows Hello PIN to reset experience and Password-less authentication to all versions of the operating system. Also, there are few enhancements for Narrator, sew of Bug fixes and changes to the operating system with a list of known issues that still have to fix.

If you are Windows Insider user open Windows 10 settings, From update & security check for updates that download and install the latest build 18309 on your PC and allows testing new Windows 10 Features before available for everyone. Let’s take a roundup of Windows 10 build 18309 features and changelog details.


What’s new Windows 10 build 18309?

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Previously with Windows 10 build 18305, Microsoft has revamped the Windows Hello PIN reset experience with the same look and feel as signing in on the web and added support for setting up and signing in with a phone number account. But that was limited to Home editions only and now with Windows 10 19H1 Build Company extent it to all Windows 10 Editions.

Here Microsoft explained on their blog post:

If you have a Microsoft account with your phone number, you can use an SMS code to sign in, and set up your account on Windows 10. Once you’ve set up your account, you can use Windows Hello Face, Fingerprint, or a PIN (depending on your device capabilities) to sign in to Windows 10. No password needed anywhere!

If you don’t already have a password-less phone number account, you can create one in a mobile app like Word on your iOS or Android device to try it out. Simply go to Word and sign up with your phone number by entering your phone number under “Sign in or sign up for free”.

And you can use password-less phone number account to sign in to Windows with the following steps:

  1. Add your account to Windows from Settings > Accounts > Family & other Users > “Add someone else to this PC”.
  2. Lock your device and select your phone number account from the Windows sign-in screen.
  3. Since your account doesn’t have a password, select ‘Sign in options’, click the alternative ‘PIN’ tile, and click ‘Sign in’.
  4. Go through web sign in and Windows Hello set up (this is what you’ll use to sign in to your account on subsequent sign ins)
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The latest 19H1 Build also brings several Narrator improvements as well, including options to add more voices, refined Narrator Home navigations, and better table reading in PowerPoint.

  • Improved reading of controls while navigating and editing
  • Improved table reading in PowerPoint
  • Improved reading and navigating experiences with Chrome and Narrator
  • Improved interaction with Chrome menu’s with Narrator

Ease of Access also getting few Improvements where the company now added 11 additional mouse pointer sizes in the Cursor and Pointers settings, which brings the total to 15 sizes.

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Also, there are lots of other general changes, improvements, and fixes, with a bunch of known issues.

General changes, improvements, and fixes for PC

  • We fixed an issue where using Hyper-V with an external vSwitch in addition to the default resulted in many UWP apps not being able to connect to the internet.
  • We fixed two issues resulting in green screens citing an issue with win32kfull.sys in recent builds – one when using an Xbox controller with your PC, one when interacting with Visual Studio.
  • We fixed an issue where changes to Mouse Keys settings in Settings wouldn’t persist.
  • We’ve made some small adjustments to the text across various pages in Settings.
  • We fixed an issue resulting in XAML context menus across the system sporadically not invoking over the last several flights.
  • We fixed an issue resulting in explorer.exe crashing when right clicking a network printer.
  • If you press WIN+H to start dictation in an unsupported language, we’ve now added a notification explaining that this is why dictation isn’t starting.
  • Based on your feedback, we’re adding a notification now that will appear the very first time you press Left Alt + Shift – it explains that this hotkey triggers an input language change, and includes a direct link to the settings where the hotkey can be disabled if pressing it was unintentional. Disabling Alt + Shift will not impact the use of WIN + Space, which is the recommended hotkey for changing input methods.
  • We fixed an issue where the cmimanageworker.exe process might hang, causing system slowness or higher than normal CPU usage.
  • Based on feedback, if you clean install Pro, Enterprise, or Education editions of Windows, the Cortana voice-over will be disabled by default. Screen reader users can still choose to start Narrator at any time by pressing WIN + Ctrl + Enter.
  • When Scan Mode is on and Narrator is on a slider, the left and right arrows will decrease and increase the slider. Up and down arrows will continue to navigate to the previous or next paragraph or item. Home and End will move the slider to the beginning of the end.
  • We fixed the issue where Narrator could not be turned off when the Narrator’s message box “Another Ease of Access application is preventing the Narrator from supporting touch…” was displayed.
  • We fixed the issue where Narrator did not read the process/applications from Task Manager when “More details” view was selected.
  • The narrator now announces the state of hardware buttons such as volume keys.
  • We fixed a couple of issues related to mouse pointer sizes not increasing/decreasing properly when DPI is set to something other than 100%.
  • We fixed the issue where Magnifier failed to follow Narrator cursor in Magnifier centered mouse mode if “follow Narrator cursor” option was selected.
  • If you were seeing Windows Defender Application Guard and Windows Sandbox fail to launch on Build 18305 with KB4483214 installed, that will be fixed once you upgrade to this build. If you are still encountering launch issues after upgrading, please log feedback about it and we’ll investigate.
  • We enhanced Windows Sandbox to better support high DPI displays.
  • If you were seeing random yet frequent explorer.exe crashes with Build 18305, we made a server-side change to resolve this over the break. Please let us know if you’re continuing to experience crashes and we’ll investigate. This same issue is suspected to also be the root cause resulting in some Insiders finding Start would reset back to default in the previous build.
  • [ADDED] We fixed an issue resulting in upgrades failing with error code 0x800F081F – 0x20003 if Developer Mode had been enabled.
  • [ADDED] We fixed the issue where the Task Scheduler UI may appear blank even though there are scheduled tasks. For now, you’ll need to use the command line if you want to see them.

Known issues

  • The hyperlink colors need to be refined in Dark Mode in Sticky Notes if the Insights are enabled.
  • The Windows Security app may show an unknown status for the Virus & threat protection area, or not refresh properly. This may occur after upgrade, restart, or settings changes.
  • Launching games that use BattlEye anti-cheat will trigger a bug check (green screen) – we’re investigating.
  • USB printers may appear twice in the Devices and Printers under Control Panel. Reinstalling the printer will resolve the issue.
  • We’re investigating an issue where clicking your account in Cortana Permissions isn’t bringing up the UI to sign out from Cortana (if you were already signed in) for some users in this build.
  • The Task Scheduler UI may appear blank even though there are scheduled tasks. For now, you’ll need to use the command line if you want to see them. FIXED!
  • Creative X-Fi sound cards are not functioning properly. We are partnering with Creative to resolve this issue.
  • When attempting to update this build some S Mode devices will download and restart, but fail the update.
  • Nightlight functionality is impacted by a bug in this build. We’re working on a fix, and it will be included in an upcoming build.
  • When you open Action Center the quick actions section may be missing. Appreciate your patience.
  • Clicking the network button on the sign-in screen doesn’t work.
  • Some text in the Windows Security app may not currently be correct or may be missing. This may impact the ability to use some features, such as filtering Protection history.
  • Users may see a warning that their USB is currently in use when trying to eject it using File Explorer.  To avoid this warning, close down all open File Explorer windows and eject USB media using the system tray by clicking on ‘Safely Remove Hardware and Eject Media’ and then selecting the drive to eject.
  • In certain cases, it may look as though this build downloads and installs successfully but in fact didn’t. If you think you hit this bug, you can type “winver” in the search box on your taskbar to double-check your build number.

Note Windows 10 build 18309 is still on 19H1 development branch, still on a development process that contains new features with various bugs. Its recommended not to install Windows 10 Preview builds on production computers as they cause various problems. If you love to try the new features install them on a Virtual machine.

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