diff --git a/CHANGELOG.md b/CHANGELOG.md
index b1448adb6c3..c58cdb77270 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@ ENHANCEMENTS:
 
 * data-source/aws_ec2_transit_gateway: Add `multicast_support` attribute ([#22756](https://github.com/hashicorp/terraform-provider-aws/issues/22756))
 * provider: Improves error message when `Profile` and static credential environment variables are set. ([#23388](https://github.com/hashicorp/terraform-provider-aws/issues/23388))
+* provider: Makes `region` an optional parameter to allow sourcing from shared config files and IMDS ([#23384](https://github.com/hashicorp/terraform-provider-aws/issues/23384))
 * provider: Retrieves region from IMDS when credentials retrieved from IMDS. ([#23388](https://github.com/hashicorp/terraform-provider-aws/issues/23388))
 * resource/aws_ec2_fleet: Add `context` argument ([#23304](https://github.com/hashicorp/terraform-provider-aws/issues/23304))
 * resource/aws_ec2_transit_gateway: Add `multicast_support` argument ([#22756](https://github.com/hashicorp/terraform-provider-aws/issues/22756))