The Microsoft Dynamics Lifecycle Services (LCS) team is happy to announce the availability of the LCS November 2018, release 2.
Start/Stop buttons will not be available during an ongoing servicing operation
Starting with this release the Start and Stop button visible on the environment details page for non-Production environments will not be available during an ongoing servicing operation. This is to prevent issues where customers stop the environment during an ongoing operation causing the environment to get into an incorrect state. To avoid this situation, the Start and Stop button will be not be available if the environment is in a Servicing state.
Other than this, the rest of the release was focused on making performance and reliability improvements.