Revisions - Research and Engineering Studio

Revisions

For more information, see the CHANGELOG.md file in the GitHub repository.

Date Change
March 2026
  • Release version 2026.03

    Security fixes

    • Fixed a privilege escalation vulnerability in the FileBrowser component.

    • Fixed a cross-user remote code execution vulnerability via session name injection.

    • Fixed an issue where an external instance profile ARN could be used when creating a session.

    Enhancements

    • Support for multiple volumes from a single ONTAP filesystem.

    • Allow users to reset their session schedule to the system default.

    • Allow administrators to restart errored VDIs from the Sessions page.

    • Allow administrators to set instance type/family when registering a software stack.

    • Allow administrators to configure DCV token expiration time via the RES portal.

    • Allow administrators to add custom links to the web portal login page.

    • Added configurable DCV session validation thresholds to support environments with longer bootstrap times.

    Changes

    • Continued migration of VDC-related APIs from the VDC EC2 host to the backend Lambda.

    • Upgraded Python to 3.12+ on infrastructure and VDI hosts.

    • Removed AL2 and RHEL8 from default software stacks. Existing AL2 and RHEL8 software stacks in deployed environments are unaffected but will no longer be included as defaults for new environments.

    • Removed unnecessary RES_Interface shortcut from VDI desktops.

    Bug fixes

    • Fixed Sessions filter field.

    • Fixed Ubuntu 24.04 bootstrap failure caused by systemd service restart.

    • Fixed project deletion/creation when deploying with IAM resource prefix.

    • Fixed failure to mount Lustre file system on RHEL9/Rocky9 VDIs.

    • Fixed date range filter for list_sessions and list_shared_permissions.

December 2025
  • Release version 2025.12

    Enhancements

    • Propagation of custom CloudFormation tags to all RES components during deployment.

    • Allow administrators to disable Active Directory joining for Windows hosts.

    • Enable administrators to set default schedules for VDI desktop instances.

    • S3 bucket access logging enabled for compliance and audit requirements.

    • SSL/TLS encryption required on all S3 bucket communications.

    • Enabled point-in-time recovery for RES managed DynamoDB tables.

    • Updated permissions of /opt/cognito_auth directory to root-only access.

    Changes

    • Migrated VDC-related APIs out of the VDC EC2 host to the backend Lambda.

    Bug Fixes

    • Refreshing Allowed Instance Types when launching a new VDI.

    • Fixed missing dependencies for efs_utils.

    • Fixed cost dashboard total number of sessions in RES portal.

    • Fixed issue where users could manually bypass the allowed instance types.

    • Addressed race condition that could block DCV connection for Linux VDIs.

    • Added missing operating systems from Software Stack page OS drop-down menu.

    • Fixed frequent logout issue when using custom domain with Chrome.

    • Fixed issue where the runtime SSSD configurations are not applied after disabling AD join.

    • Fixed RES environment deletion failure caused by remaining VDI role.

September 2025
  • Release version 2025.09

    Enhancements

    • Region support expansion for ap-northeast-3, ap-southeast-3, me-central-1, and sa-east-1.

    • Deletion of computer account from AD domain on VDI termination.

    • Systems Manager Parameter Alias support for AMI IDs to simplify the management of project-specific images.

    • Integration with pre-existing Amazon Cognito pool for streamlined authentication setup during deployment.

    • Customization of CIDR ranges in the CloudFormation external resources template during deployment for enhanced network planning and integration with existing resources.

    • Addition of AD email sync functionality after initialization.

    • Support for Amazon EC2 g6f instances.

    Changes

    • Moving infrastructure deployment out of ECS installer task to simplify installation process.

    Bug Fixes

    • Resolved persistent instance resume failures.

    • Resolved users being able to see other users desktop sessions.

    • Resolved IAM user role name uniqueness issue in multi-region single account deployments.

July 2025
  • Release version 2025.06.01

    Enhancements

    • Improved launch time of infra hosts and default VDIs by using system default Python.

    • Added support for Ubuntu 24.04 VDI.

    Changes

    • Infra hosts and VDIs now use system default Python if it is available and meets RES requirements (version higher than 3.9.16).

    Bug Fixes

    • Resolved Windows and Linux VDI login issues when disable_ad_join is true.

    • Resolved an issue where custom IAM policies were not being attached to project-specific roles.

June 2025
  • Release version 2025.06

    Enhancements

    • Added support for the AWS GovCloud (US-East) region.

    • Added support for g6e instance type.

    • Added support for launching virtual desktop sessions with Amazon Linux 2023.

    • Added support for launching virtual desktop sessions with Rocky Linux 9.

    • Added support for IAM resources prefix and path customization.

    • Added the ability to delete a mounted file system from the RES UI.

    • Added the ability to retrieve VDI bootstrap logs from Amazon CloudWatch.

    • Enabled hibernation for RedHat 8 and RedHat 9 VDIs.

    Changes

    • Scoped down IAM permissions for infrastructure hosts and VDI hosts.

    • Improved bootstrap process for infrastructure hosts and VDI hosts.

    • Increased the DCV broker DynamoDB tables WCU from 20 to 100.

    Bug Fixes

    • Resolved an issue where RES can fail to list Elastic Filesystem for onboarding.

    • Resolved an issue where RES can fail to apply snapshot caused by Elastic Filesystem listing.

    • Resolved an issue where DCV Console session resolution cannot be adjusted.

    • Resolved an issue where custom VDIs schedule can be deleted when re-saving the schedule without change.

    • Resolved an issue where File browser can become unresponsive with large number of users and groups in AD.

    • Resolved an issue where VDI sessions can be missing under Session Management.

    • Resolved an issue where VDI session can be missing under My Virtual Desktop page.

    • Resolved an issue where Idle timeout is not working for VDIs with hibernation enabled.

    • Resolved an issue where software stack AMIs predate older RES version.

March 2025
December 2024
October 2024
August 2024
  • Release version 2024.08: Added support for —

    • mounting Amazon S3 buckets to Linux Virtual Desktop Infrastructure (VDI) instances. See Amazon S3 buckets.

    • custom project permissions, an enhanced permission model that allows for customization of existing roles and the addition of custom roles. See Permission policy.

  • User Guide: expanded the Troubleshooting section.

June 2024
April 2024 Release version 2024.04 — RES-ready AMIs and project launch templates
March 2024 Additional troubleshooting topics, CloudWatch Logs retention, uninstall minor versions
February 2024 Release version 2024.01.01 — updated deployment template
January 2024 Release version 2024.01
December 2023 GovCloud directions and templates added
November 2023 Initial release