While we await the release of Windows 10 October 2018 Update, Microsoft has long moved on to the development process of Windows 10 2019 edition. The company has just started rolling outWindows 10 19H1 Insider Preview Build 18247 to Windows Insiders who had opted in to Skip Ahead. It should be noted that this build isn't "available for PCs running 64-bit Windows 10 Home and Pro editions in Czech (cs-cz)."

Bringing no new features, here are general changes, improvements, and known issues that are coming to you through today's Windows 10 19H1 Preview Build.

General changes, improvements, and fixes for PC

We fixed an issue resulting in Narrator text to speech not making sense when reading Narrator’s Quick Start pop up in Japanese.We fixed an issue resulting in app icons sometimes becoming invisible in the taskbar in recent flights.We fixed an issue that could result in an IME not working in Microsoft Edge the first time it was launched.We fixed an issue resulting in WebView controls potentially not responding to keyboard.Rolling out this week, along with more bug fixes, we have added a “Preview” tag to Your Phone app as we continue to finetune the based on your feedback. Keep it coming via Feedback Hub.

Windows 10 19H1 Known issues

When using dark mode, File Explorer’s context menu has an unexpectedly thick white border.Task Manager is not reporting accurate CPU usage. This should be fixed in the next flight.Arrows to expand “Background processes” in Task Manager are blinking constantly and weirdly.

Known issues for Developers

If you install any of the recent builds from the Fast ring and switch to the Slow ring – optional content such as enabling developer mode will fail. You will have to remain in the Fast ring to add/install/enable optional content. This is because optional content will only install on builds approved for specific rings.

For more information, head over to the official blog post.