Home Windows 10 Update Windows 10 (RS5) Insider Build 17733 with finalized File Explorer Dark Theme

Windows 10 (RS5) Insider Build 17733 with finalized File Explorer Dark Theme

Windows 10 Insider Build 17733, Microsoft reveals final look of Dark Theme in File Explorer for Windows 10, Huge list of Narrator Improvements and fixes, And several bug fixes such as touch keyboard become invisible on the screen, Sound Settings page would be unresponsive after resetting windows, High Contrast dropdown flashed when its values were changed and more.


Microsoft has today (08, August 2018) started rolling out Windows 10 (Redstone 5) preview build 17733 for devices enrolled in the Fast ring of the Windows Insider Program. As company edging closer to the launch of the next big Windows 10 feature update, codenamed Redstone 5, Microsoft developers working on doing things up to finalize the development of the Redstone 5 feature update. And Todays Windows 10 Build 17733 doesn’t include any new features but brings the final version of the dark theme of the File Explorer and several bug fixes and general improvements.

Windows 10 Insider Preview Build 17733
Windows 10 Insider Preview Build 17733

Windows 10 Build 17733 Reveals final look of Dark Theme in File Explorer

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Previously With Windows 10 Build 17666 Microsoft first introduced Dark theme to File Explorer to match the rest of Windows 10’s dark aesthetic. And now with Todays build 17733 Microsoft says that Dark Theme support for File Explorer is ready for the next major release of Windows, codenamed Redstone 5.

Microsoft’s Dona Sarkar and Brandon LeBlanc announced in a joint blog post:

With Build 17666 we started our journey bringing dark theme to File Explorer. Today’s build marks the turning point where we’ve finished what we set out to do for this release. Thank you to all Insiders that have shared feedback during this time.

Microsoft says that the dark theme in File Explorer was a highly requested feature but Microsoft delayed it due to technical issues. And now with latest RS5 build 17733, you can enable fully functional dark mode in Settings > Personalization > Colors. Dark Theme. This will be enabled in all support applications and interfaces, including in File Explorer.

Dark Theme in File Explorer
Dark Theme in File Explorer

General changes, improvements, and fixes for PC

In addition to the dark theme for File Explorer, here is a look at other changes and improvements that are included in today’s build:

  • Thanks everyone for your feedback about the XAML shadows we added recently. We’re taking them offline for the moment while we work on addressing some of the things you shared with us. You will also notice that the acrylic has been removed from some popup controls. They will be back in a future flight.
  • We fixed an issue from recently flights where the touch keyboard might become invisible on the screen.
  • We fixed an issue in recent flights where components of a notification with a progress bar (like the one when using nearby sharing) might flash every time the progress bar updated.
  • We fixed an issue where on certain devices if you reset your device and chose to keep files, after logging back into Windows the Sound Settings page would be unresponsive.
  • We fixed the issue where the High Contrast dropdown flashed when the values were changed.

Improvements and fixes for Narrator

  • Fixed the issue where Narrator couldn’t access all the emoji in the Touch Keyboard’s emoji panel.
  • Fixed the issue where Narrator didn’t say “selected” after image was selected using the keyboard.
  • Fixed the issue where Touch Narrator’s focus remained on the word even after deselecting it.
  • Fixed the issue where the Narrator key got sticky when using the Mouse Mode command.
  • Fixed the issue where Narrator’s Command Restore Default dialog was not read by Narrator.
  • Fixed the issue where Narrator’s copy and paste feature would say “selection removed” but the selection remained.
  • Fixed the issue where Narrator automatic dialog read the Command key Assignment dialog twice.
  • Improved the Narrator experience when moving by character and announcing phonetic pronunciations.
  • Fixed the issue where Narrator focus and keyboard focus got out of sync after navigating TreeView controls.
  • Fixed the issue where Narrator misread the Calculator app’s display on focus for values over 100.
  • Fixed the issue where when launching Narrator QuickStart using the link in Narrator Settings, the Narrator icon would appear in the taskbar.
  • Fixed the issue where Narrator couldn’t read the label of the Word document recovery dialog.
  • Fixed the issue so Narrator can now navigate the New Notepad Status Bar contents.
  • Fixed the issue where Narrator Scan mode navigation didn’t progress after tabbing onto a link.
  • Fixed the issue where Narrator navigated out of the Microsoft Edge browser window using Scan mode on some web pages.
  • Fixed the issue where Narrator crashed when Developer Mode was in use and the generated string to display was null.
  • Fixed the issue where Narrator continuous reading got stuck on a table element in some HTML emails.

Known issues in this build include

  • Your PC will bugcheck (GSOD) when deleting a local folder that is synced to OneDrive.
  • Clicking a link to launch one app from another app may not work for some Insiders.
  • When you upgrade to this build you’ll find that the taskbar flyouts (network, volume, etc) no longer have an acrylic background.
  • When you use the Ease of Access Make Text bigger setting, you might see text clipping issues, or find that text is not increasing in size everywhere.
  • On Windows 10 in S Mode, launching Office in the Store may fail to launch with an error about a .dll not being designed to run on Windows. The error message is that a .dll “is either not designed to run on Windows or it contains an error. Try installing the program again…” Some people have been able to work around this by uninstalling and reinstalling Office from the Store.
  • When using Narrator Scan mode you may experience multiple stops for a single control. An example of this is if you have an image that is also a link. This is something Microsoft is actively working on.
  • When using Narrator Scan mode Shift + Selection commands in Microsoft Edge, the text does not get selected properly.
  • Investigating a potential increase in Start reliability and performance issues in this build.
  • After setting up a Windows Mixed Reality headset for the first time on this build with motion controllers, the controllers may need to be re-paired a second time before appearing in the headset.
  • When using a Windows Mixed Reality immersive app, saying “Flashlight on”, may fail to activate the flashlight feature even though the status appears as active on the Start menu.

The complete list with all the news, bugs fixed and known issues in Windows 10 Preview build 17733 can be seen in the post with the announcement from Microsoft.

Download Windows 10 build 17733

Windows 10 build 17733, the update is available immediately through the Fast ring for PCs. This preview build will download and install automatically on your device, but you can always force the update from Settings > Update & security > Windows Update and clicking the Check for updates button.

For those unfamiliar, Windows 10 Redstone 5 is expected to arrive in the month of October later this year. You can read all Windows 10 Redstone 5 features and changelog from here.