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AWS greengrass high security documentation change

Service: greengrass · 2025-10-10 · Security-related high

File: greengrass/v1/developerguide/set-config-custom.md

Summary

Updated AWS IoT Greengrass V1 end-of-support date to 2026 while removing warnings about discontinued security patches.

Security assessment

The removal of specific security patch discontinuation information affects configuration security decisions for custom device setups using outdated software.

Diff

diff --git a/greengrass/v1/developerguide/set-config-custom.md b/greengrass/v1/developerguide/set-config-custom.md
index 53d9e8662..0b38f7f19 100644
--- a//greengrass/v1/developerguide/set-config-custom.md
+++ b//greengrass/v1/developerguide/set-config-custom.md
@@ -7 +7 @@ Configure device.json(Optional) Configure userdata.json(Optional) Configure reso
-**AWS IoT Greengrass Version 1 entered the extended life phase on June 30, 2023. For more information, see the[AWS IoT Greengrass V1 maintenance policy](https://docs.aws.amazon.com/greengrass/v1/developerguide/maintenance-policy.html). After this date, AWS IoT Greengrass V1 won't release updates that provide features, enhancements, bug fixes, or security patches.** Devices that run on AWS IoT Greengrass V1 won't be disrupted and will continue to operate and to connect to the cloud. We strongly recommend that you [migrate to AWS IoT Greengrass Version 2](https://docs.aws.amazon.com/greengrass/v2/developerguide/move-from-v1.html), which adds [significant new features](https://docs.aws.amazon.com/greengrass/v2/developerguide/greengrass-v2-whats-new.html) and [support for additional platforms](https://docs.aws.amazon.com/greengrass/v2/developerguide/operating-system-feature-support-matrix.html).
+End of support notice: On October 7th, 2026, AWS will discontinue support for AWS IoT Greengrass Version 1. After October 7th, 2026, you will no longer be able to access the AWS IoT Greengrass V1 resources. For more information, please visit [Migrate from AWS IoT Greengrass Version 1](https://docs.aws.amazon.com/greengrass/v2/developerguide/migrate-from-v1.html).