Microsoft Releases Windows 10 Preview Build 19551

Microsoft today is rolling out Windows 10 preview build 19551 to Insiders in the Fast ring. Here’s what to expect.

Microsoft today is releasing Windows 10 preview build 19551 to Insiders in the Fast ring. Today’s build follows up last week’s build 19546 which introduced a new Graphing Mode in Windows Calculator as well as other minor fixes and improvements. Here’s a look at what’s new in today’s release.

Windows 10 Preview Build 19551

Today’s build has no new front-facing features but does include a number of fixes and improvements. Here is the list of general changes:

  • We fixed an issue resulting in snipping not working on secondary monitors.
  • Thank you for reporting that the Optimize Drives Control Panel was incorrectly showing that optimization hadn’t run on some devices. We’ve fixed it in this build.
  • We’ve fixed an issue causing Remote Desktop Connection crashes when attempting to connect to multiple sessions.
  • We’ve made a server-side fix to address the issue causing Narrator Home to crash when selecting the “What’s New” button in Narrator Home.
  • We fixed an issue that could result in the language defaults listed at the top of Language Settings unexpectedly being blank.
  • We’ve done some work to help address feedback reports that screenshots (WIN+Shift+S) pasted into Outlook would be unexpectedly large.
  • We fixed an issue where, if you’d changed the candidate pane font for the Pinyin IME, it would be reset back to default after you reboot your PC.
  • We fixed an issue resulting in the “Safely Remove Hardware” icon in the notification area sometimes unexpectedly drawing in white (making it unreadable) when using light theme.

Important: Insider builds are for IT admins, coders, and Microsoft Windows enthusiasts. Unless you’re an experienced user, don’t install an Insider build on your main production PC. They contain bugs and stability issues. If you want to test new builds and provide feedback for Microsoft, install them on a secondary machine or VM.

For more on the known issues and workarounds contained in today’s Insider build and other details, make sure to read Microsoft’s full blog post.

Also, the Fast ring of the Insider program works differently since the testing of 20H1. This next version is in the active development branch called RS_PreRelease. Features available for testing may or may not show up in a future Windows 10 feature updates.

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