Release v0.3.0-preview.4.0 (#502)

* chore: bump version to 0.3.0-preview.4.0

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

* Update CHANGELOG.md

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Jesse Turner <57651174+jesseturner21@users.noreply.github.com>

Author: github-actions[bot]

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.3.0-preview.4.0] - 2026-03-05
+Known Issue
+For memory-only deployments, the agentcore status command printing out an error is a known bug for this release. We will follow up with a fix for the next release.
 ## [0.3.0-preview.3.1] - 2026-03-05
 Known Issue
 For memory-only deployments, the agentcore status command printing out an error is a known bug for this release. We will follow up with a fix for the next release.

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@aws/agentcore",
-  "version": "0.3.0-preview.3.1",
+  "version": "0.3.0-preview.4.0",
   "description": "CLI for Amazon Bedrock AgentCore",
   "license": "Apache-2.0",
   "repository": {