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AWS greengrass: Greengrass nucleus 2.18.4 changelog entry for Docker download retry fix

Service: greengrass · 2026-10-15 · Documentation low

File: greengrass/v2/developerguide/greengrass-nucleus-component.md

Summary

Adds the 2.18.4 changelog entry describing a fix where the nucleus failed a deployment instead of retrying when a Docker image download was interrupted by a network error.

Security assessment

The described fix is a deployment-reliability improvement for transient network failures during Docker image pulls. It is not a security fix, contains no CVE, and does not address authentication, encryption, or exposure.

Evidence

+  * Fixes an issue where the nucleus fails a deployment instead of retrying when a Docker image download is interrupted by a network error or fails for an unrecognized reason.

Diff

diff --git a/greengrass/v2/developerguide/greengrass-nucleus-component.md b/greengrass/v2/developerguide/greengrass-nucleus-component.md
index 09bd8af..0975efe 100644
--- a//greengrass/v2/developerguide/greengrass-nucleus-component.md
+++ b//greengrass/v2/developerguide/greengrass-nucleus-component.md
@@ -979,0 +980,8 @@ The following table describes the changes in each version of the component.
+2.18.4 | 
+
+Bug fixes and improvements
+    
+
+  * Fixes an issue where the nucleus fails a deployment instead of retrying when a Docker image download is interrupted by a network error or fails for an unrecognized reason.
+
+