Amazon Corretto September 2026 Patch Updates

Amazon announced on September 25, 2026, that patch updates are available for Amazon Corretto Long-Term Support and Feature Release versions, including Corretto 25.0.4.10.1, 21.0.12.11.1, 17.0.20.12.1, and 11.0.32.12.1. These updates are provided at no cost and support multiple platforms, including Linux, Windows, and macOS. The patches incorporate the latest tzdata 2026d release, which includes time zone database updates. Users can download the updated versions directly from the Corretto homepage or via package repositories.

Amazon Corretto is a production-ready distribution of OpenJDK maintained by Amazon, designed for enterprise and developer use. The September 2026 patch release addresses security and compatibility improvements alongside the tzdata updates. Linux users can configure Corretto repositories using Apt, Yum, or Apk to receive updates automatically. The updates apply to both Long-Term Support and Feature Release versions, ensuring broad compatibility across different Java environments.

The tzdata 2026d update includes changes to time zone rules and offsets, which may affect applications relying on accurate time zone calculations. Developers using Corretto 25, 21, 17, or 11 should review the patch notes to assess potential impacts on their applications. The updates are backward-compatible with previous Corretto releases, minimizing disruption for existing deployments. Amazon recommends updating to the latest versions to maintain compliance with time zone standards.

Users can access the updated Corretto versions through the official homepage or package managers, with no licensing fees required. The patch release follows Amazon’s regular update cycle for Corretto, ensuring ongoing support for critical Java runtime environments. Organizations using Corretto in production environments are advised to test the updates before full deployment to verify compatibility with their systems.