The discontinuation of Windows 7 OS patch deployment means you will stop seeing new patches every month. Third-party patches, required software, and Worklets will continue to apply and be relevant, provided they continue support for Windows 7.
If your organization has a need to continue using Windows 7, Microsoft offers Extended Security Updates on a per device cost. For more information, see their FAQ: https://support.microsoft.com/en-us/help/4527878/faq-about-extended-security-updates-for-windows-7
You can also read about this in our blog: Update Windows 7 to Windows 10. It's Time!