Release v1.6.3 (#421)

* chore: bump version to 1.6.3

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

* empty commit

Signed-off-by: Trirmadura J Ariyawansa <tjariy@amazon.com>

* fix: remove trailing whitespace in README.md

---------

Signed-off-by: Trirmadura J Ariyawansa <tjariy@amazon.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Trirmadura J Ariyawansa <tjariy@amazon.com>

Author: github-actions[bot]

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## [1.6.3] - 2026-04-16
+
+### Fixed
+- fix: validate region parameter to prevent SSRF request redirection (#417) (640b3ad)
+
 ## [1.6.2] - 2026-04-13
 
 ### Fixed

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "bedrock-agentcore"
-version = "1.6.2"
+version = "1.6.3"
 description = "An SDK for using Bedrock AgentCore"
 readme = "README.md"
 requires-python = ">=3.10"