Atlas Architecture Center Release Notes
This page lists the changes introduced in each new version of the Atlas Architecture Center.
v20250411
Released 11 July, 2025
Landing Zone Design page: Content reorganization for clarity, and updates to add that the primary is mapped randomly to a zone, and link to new guidance pages.
Guidance for Atlas Orgs, Projects, and Clusters page: Adds organization creation example for Terraform.
Guidance for Atlas Network Security page: Minor update to mention limitation for changing the number of service attachments and recommendation to use the DNS seedlist connection string.
Features for Compliance with External Standards page: Minor update to introduce Atlas for Government as an Atlas compliance option.
Guidance for Atlas High Availability page: Adds guidance for 3- and 5-node replica set topologies.
Guidance for Atlas Disaster Recovery page: Minor update to recommend multi region clusters and electable nodes for high availability, and link to other pages with existing guidance.
Recommendations for Atlas Cost-Saving Configurations page: Minor update to link to cost-analysis guidance for different deployment topologies.
Adds the following new pages:
Migration: Describes how to migrate data from your on-premises MongoDB deployments to Atlas.
MongoDB Atlas Operational Readiness Checklist: Provides a checklist to help you prepare your environment and team for a successful Atlas deployment.
Atlas Deployment Paradigms: Introduces and compares different Atlas deployment paradigms, which are described with use-cases in the following new pages:
v20250317
Released 17 March, 2025
Guidance for Atlas Orgs, Projects, and Clusters page: Minor update to add guidance for when to consider multiple clusters per project and managing local Atlas deployments using containers.
Guidance for Atlas High Availability page: Minor update to add more guidance for high availability and link to other pages with existing guidance.
Guidance for Atlas Automated Infrastructure Provisioning page: Minor update to explain the advantages of using Atlas's IaC tools.
Guidance for Atlas Automated Infrastructure Provisioning page: Minor update to add info about dashboards.
v20250228
Released 28 Feb, 2025
Releases the first version of the Atlas Architecture Center, including guidance to:
Set up a single-region, single-cloud Atlas architecture in alignment with the Well-Architected Framework, including example commands for the Atlas CLI and Terraform. To get started, see Guidance for Atlas Orgs, Projects, and Clusters.