Neptune instances on engine versions reaching end of life (Dec 4, 2026 / Mar 6, 2027)

AWSDeprecations & retirementsTeam planSeverity: highaws.rds

Amazon Neptune DB instances on engine 1.1.1.0 or 1.2.x (end of life December 4, 2026) or 1.3.0.0 - 1.4.6.1 (end of life March 6, 2027)

What LeftSize checks

Find Amazon Neptune DB instances on engine versions with an announced end of life.

Why it matters

Missed retirement and end-of-support dates turn into forced upgrades, outages or extended support charges at a moment you did not choose.

What you get in the GitHub issue

LeftSize runs this check from a scheduled GitHub Action with a read-only identity in your AWS account and opens one issue per scope, updated on every scan. The issue includes:

  • The affected resources, grouped per subscription, resource group or account and region
  • Background on why it was flagged and when it is a false positive
  • Cost and operational impact of fixing it
  • Alternative approaches and their trade-offs
  • Step-by-step remediation with safety checks
  • Ready-to-run fix scripts (CLI, PowerShell or Terraform where available)
  • Snooze, ignore or report a finding with a comment on the issue
Install LeftSizeIncluded in the Team and Business plans.

Official references