If you're a Windows Insider on the Fast ring, it's time to check for updates. There's a new cumulative update that's out with a few fixes, for the most recent build. The update is KB4487181 and it brings the build number to 18312.1007.
As you'd expect with any cumulative update, there are no new front-facing features, but there are some fixes. Here are the fixes listed in the changelog:
We fixed an issue resulting in File Explorer unexpectedly having a lock on USBs when trying to safely eject them.
We fixed an issue resulting in frequent bugchecks (GSODs) in the last two flights, citing an error with bindflt.sys.
We fixed an issue where a password change can result in the next unlock hanging for AD users.
Interestingly, there's nothing in there about a fix for the issue that prevented Night Light and f.lux from working. This is a bug that Insider chief Dona Sarkar said was fixed.
It's possible that users will just have to wait for the next build for that one, which could come as soon as tomorrow.
If you're on the Fast ring, you can get today's update by going to Settings -> Update & security -> Windows Update -> Check for updates. If not, go to the Windows Insider Program tab to get started.