Document history

The following table describes significant changes to this guide. If you want to be notified about future updates, you can subscribe to an RSS feed.

Change	Description	Date
Added a section	We added information about selecting and deploying discovery tools.	February 2, 2022
Updated guidelines	We added more details to the guidelines for data collection, prioritization, and planning.	December 13, 2019
Initial publication	—	August 5, 2019