Update CHANGELOG for #14486

CHANGELOG.md

@@ -1,7 +1,7 @@
 ## 3.4.0 (Unreleased)
 
 ENHANCEMENTS
-
+* resource/aws_globalaccelerator_endpoint_group: Add `client_ip_preservation_enabled` argument to the `endpoint_configuration` configuration block [GH-14486]
 * resource/aws_storagegateway_cached_iscsi_volume: Add `kms_encrypted` and `kms_key` arguments [GH-12066]
 * resource/aws_storagegateway_gateway: Add `smb_security_strategy` argument [GH-13563]
 * resource/aws_storagegateway_gateway: Add plan-time validation for `gateway_ip_address` argument [GH-13563]
@@ -12,6 +12,8 @@ BUG FIXES
 
 * resource/aws_acmpca_certificate_authority: Ensure `DELETED` status triggers state removal [GH-13684]
 * resource/aws_appmesh_virtual_node: Prevent panics with empty `backend` configuration blocks [GH-14074]
+* resource/aws_globalaccelerator_accelerator: Increase creation timeout to 10 minutes [GH-14486]
+* resource/aws_globalaccelerator_endpoint_group: Prevent differences with `health_check_path` defaults [GH-14486]
 
 ## 3.3.0 (August 20, 2020)