CHANGELOG.md in aws-sdk-ec2-1.273.0 vs CHANGELOG.md in aws-sdk-ec2-1.274.0

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 Unreleased Changes
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+1.274.0 (2021-10-28)
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+
+* Feature - Added new read-only DenyAllIGWTraffic network interface attribute. Added support for DL1 24xlarge instances powered by Habana Gaudi Accelerators for deep learning model training workloads
+
 1.273.0 (2021-10-27)
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 * Feature - This release adds: attribute-based instance type selection for EC2 Fleet, Spot Fleet, a feature that lets customers express instance requirements as attributes like vCPU, memory, and storage; and Spot placement score, a feature that helps customers identify an optimal location to run Spot workloads.
 
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