Microsoft has released a new build of Windows 10 Insider Preview from RS5 channel. Build 17744 from RS5 channel contains bug fixes and improvements and there are no new features added to this build.
Bug Fixes and Improvements in Build 17744
[ADDED] We fixed the issue causing PCs to bugcheck (GSOD) when deleting a local folder that is synced to OneDrive as of Build 17741.Windows Experience Blog
We fixed an issue that resulted in certain apps crashing when sending Timeline activities.
We fixed an impactful race condition in recent flights resulting in Cortana crashing when launching tips and doing web searches.
We fixed an issue resulting in the nearby sharing section of the Share UI not being visible for some users despite being enabled.
We fixed an issue that could result in the contents of the Microsoft Edge window becoming offset from its window frame.
We fixed an issue resulting in the spellchecking menu appearing in the wrong place when you right-clicked on a misspelled word in Microsoft Edge.
We fixed an issue for Insiders using Windows 10 in S Mode recently resulting opening Word from a Word Online document not working.
We fixed an issue in Narrator so when toggling a checkbox with a braille display and Narrator, the displayed state is now updated and the control information is maintained on the display.
Known Issues in Windows 10 Build 17744
You may experience a bugcheck (GSOD) when logging out of your user profile or shutting down your PC.
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.
Narrator sometimes does not read in the Settings app when you navigate using Tab and arrow keys. Try switching to Narrator Scan mode temporarily. And when you turn Scan mode off again, Narrator will now read when you navigate using Tab and arrows key. Alternatively, you can restart Narrator to work around this issue.
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.
You can read full announcement at Windows Experience Blog.
WARNING: As we have earlier told you, Windows 10 Insider Builds are beta version of upcoming operating system which are not released and meant for general public. Please do not install these builds in your main system to avoid any possible data crash.