Update CHANGELOG.md for #47359

Author: changelogbot

CHANGELOG.md

@@ -13,13 +13,15 @@ FEATURES:
 * **New List Resource:** `aws_opensearchserverless_collection_group` ([#46308](https://github.com/hashicorp/terraform-provider-aws/issues/46308))
 * **New List Resource:** `aws_s3files_access_point` ([#47352](https://github.com/hashicorp/terraform-provider-aws/issues/47352))
 * **New List Resource:** `aws_s3files_file_system` ([#47325](https://github.com/hashicorp/terraform-provider-aws/issues/47325))
+* **New List Resource:** `aws_s3files_file_system_policy` ([#47355](https://github.com/hashicorp/terraform-provider-aws/issues/47355))
 * **New List Resource:** `aws_s3files_mount_target` ([#47347](https://github.com/hashicorp/terraform-provider-aws/issues/47347))
 * **New List Resource:** `aws_s3files_synchronization_configuration` ([#47353](https://github.com/hashicorp/terraform-provider-aws/issues/47353))
 * **New List Resource:** `aws_ssm_association` ([#47321](https://github.com/hashicorp/terraform-provider-aws/issues/47321))
 * **New List Resource:** `aws_ssm_patch_group` ([#47329](https://github.com/hashicorp/terraform-provider-aws/issues/47329))
 * **New Resource:** `aws_opensearchserverless_collection_group` ([#46308](https://github.com/hashicorp/terraform-provider-aws/issues/46308))
 * **New Resource:** `aws_s3files_access_point` ([#47352](https://github.com/hashicorp/terraform-provider-aws/issues/47352))
 * **New Resource:** `aws_s3files_file_system` ([#47325](https://github.com/hashicorp/terraform-provider-aws/issues/47325))
+* **New Resource:** `aws_s3files_file_system_policy` ([#47355](https://github.com/hashicorp/terraform-provider-aws/issues/47355))
 * **New Resource:** `aws_s3files_mount_target` ([#47347](https://github.com/hashicorp/terraform-provider-aws/issues/47347))
 * **New Resource:** `aws_s3files_synchronization_configuration` ([#47353](https://github.com/hashicorp/terraform-provider-aws/issues/47353))
 * **New Resource:** `aws_servicequotas_auto_management` ([#45968](https://github.com/hashicorp/terraform-provider-aws/issues/45968))
@@ -59,6 +61,7 @@ BUG FIXES:
 * resource/aws_cloudwatch_log_metric_filter: Fix validation to count `pattern` length in UTF-8 characters ([#47287](https://github.com/hashicorp/terraform-provider-aws/issues/47287))
 * resource/aws_config_configuration_recorder_status: Mark `name` as as `ForceNew` ([#47286](https://github.com/hashicorp/terraform-provider-aws/issues/47286))
 * resource/aws_organizations_account: Fix `AccountAlreadyClosedException` error when deleting an account that has already been closed with `close_on_deletion` set to `true` ([#46627](https://github.com/hashicorp/terraform-provider-aws/issues/46627))
+* resource/aws_s3_bucket_server_side_encryption_configuration: Change `rule.apply_server_side_encryption_by_default.kms_master_key_id`, `rule.blocked_encryption_types`, and `rule.bucket_key_enabled` to Optional and Computed, preventings diffs once SSE-C is disabled for all new general purpose buckets ([#47359](https://github.com/hashicorp/terraform-provider-aws/issues/47359))
 * resource/aws_uxc_account_customizations: Fix inconsistent result error when `visible_regions` or `visible_services` is set to an explicit empty set (`[]`) ([#47290](https://github.com/hashicorp/terraform-provider-aws/issues/47290))
 
 ## 6.39.0 (April 1, 2026)