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AWS AWSEC2 documentation change

Service: AWSEC2 · 2026-04-22 · Documentation low

File: AWSEC2/latest/UserGuide/spot-fleet-prerequisites.md

Summary

Added an important note deprecating Spot Fleet (legacy API) and recommending the use of EC2 Fleet or Auto Scaling groups instead.

Security assessment

The change is a feature lifecycle update, marking Spot Fleet as a legacy API with no planned investment. This is a standard deprecation notice for operational and maintenance reasons, not a response to a security issue. No security vulnerabilities or features are mentioned.

Diff

diff --git a/AWSEC2/latest/UserGuide/spot-fleet-prerequisites.md b/AWSEC2/latest/UserGuide/spot-fleet-prerequisites.md
index e646be52c..44cc427ab 100644
--- a//AWSEC2/latest/UserGuide/spot-fleet-prerequisites.md
+++ b//AWSEC2/latest/UserGuide/spot-fleet-prerequisites.md
@@ -10,0 +11,4 @@ Grant permission to users for Spot FleetService-linked role for Spot FleetServic
+###### Important
+
+Spot Fleet uses a legacy API with no planned investment. We recommend using EC2 Fleet or an Auto Scaling group instead. For more information, see [Which is the best fleet method to use?](./which-fleet-method-to-use.html).
+