Here’s what Managed Environments do! They provide more control on how you administer the Environments i.e. by limiting App Sharing, applying Data Policies on the environment and even how Solution Checker should allow to import solutions upon detecting critical issues (Solution Checker feature for Managed Environments is in Preview at the time of writing this post!).
Below is the snipped from Microsoft Learn Document highlighting the capabilities of Managed Environments
Enable Managed Environments in Power Platform Admin Center
Editing Managed Environments / Disabling
Enable Managed Environments in Power Platform Admin Center | D365 Demystified
Enable Managed Environments in Power Platform Admin Center is a feature that allows organizations to easily manage their environments for Dynamics 365, Power Apps, and Power Automate. It provides a single view of all the components used in an environment and enables administrators to quickly create new environments or modify existing ones. This feature also provides insights into usage trends across an organization’s various environments. Additionally,
it helps with compliance by providing real-time visibility into how data is being stored and managed within each environment. With Enable Managed Environments admins can more effectively monitor and manage their business solutions across the entire lifecycle of development, testing, production, etc., as well as ensure security requirements are met when deploying applications on multiple platforms.
Nov 4, 2022 — Enable or edit Managed Environments in the admin center · In the Power Platform admin center, in the left panel, select Environments. · Select the ...
5 hours ago — Select an Environment and click on the ellipses on the menu. Once you select the same, review the License implications as highlighted below –
Aug 8, 2022 — Go to Power Platform admin center. · Select the required environment as shown below à Click on the 'Enable Managed Environments' button displayed ...