Microsoft recently released Monthly Rollup Preview KB4507437 for Windows 7 and Windows Server 2008 R2 SP1.
Windows 8.1 users weren’t left behind as they can now download Monthly Rollup Preview KB4507463 on their Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2 devices.
These updates are optional and available through Windows Update. You can also download the standalone package for these updates from the Microsoft Update Catalog. website.
Keep in mind that you need to install the latest Service Stack Update before downloading these preview updates.
This is a non-security update. The KB support page mentions that KB4507437 fixes the problems introduced by KB4507449 on July 9. The changelog for Windows 7 Monthly Rollup KB4507437 only lists some Brazilian time zone information updates.
Microsoft listed two known issues in this update. The patch breaks systems running McAfee security products. According to Microsoft, your system might become unresponsive or experience slow startup issues.
Hopefully, Microsoft will fix this issue by the next Patch Tuesday edition.
Microsoft released KB4507463 to Windows 8.1 and Windows Server 2012 R2 as a Preview of the upcoming Monthly Rollup.
This is a non-security update that brings a few quality improvements. The changelog lists that this update resolves the following issues apart from the Brazilian Zone information Updates.
Workflow definition cache
Microsoft confirms the update fixed the Workflow definition cache issues for Windows 8.1 systems.
Window-Eyes screen reader application
The Preview of Monthly Rollup for Windows 8.1 addresses a problem with Window-Eyes screen reader application. The problem prevented the application from working properly.
Microsoft confirmed three known issues in KB4507463. Some operations that you perform on CSV files or folders can fail on your systems.
You should perform those operations from a process with administrator privileges.
If you experienced other issues after installing these updates, do let us know in the comments below.