diff --git a/CHANGELOG.md b/CHANGELOG.md
index a61edf1e8b7..12a9de09405 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,12 +5,14 @@ FEATURES:
 * **New Data Source:** `aws_ec2_instance_types` ([#21850](https://github.com/hashicorp/terraform-provider-aws/issues/21850))
 * **New Data Source:** `aws_imagebuilder_image_recipes` ([#21814](https://github.com/hashicorp/terraform-provider-aws/issues/21814))
 * **New Resource:** `aws_account_alternate_contact` ([#21789](https://github.com/hashicorp/terraform-provider-aws/issues/21789))
+* **New Resource:** `aws_appstream_stack_fleet_association` ([#21484](https://github.com/hashicorp/terraform-provider-aws/issues/21484))
 * **New Resource:** `aws_appstream_stack_user_association` ([#21485](https://github.com/hashicorp/terraform-provider-aws/issues/21485))
 * **New Resource:** `aws_appstream_user` ([#21485](https://github.com/hashicorp/terraform-provider-aws/issues/21485))
 * **New Resource:** `aws_fsx_ontap_storage_virtual_machine` ([#21780](https://github.com/hashicorp/terraform-provider-aws/issues/21780))
 
 ENHANCEMENTS:
 
+* data source/aws_lambda_function: Add `image_uri` attribute ([#21015](https://github.com/hashicorp/terraform-provider-aws/issues/21015))
 * data-source/aws_elb: Add `desync_mitigation_mode` attribute ([#14764](https://github.com/hashicorp/terraform-provider-aws/issues/14764))
 * data-source/aws_lb: Add `desync_mitigation_mode` attribute ([#14764](https://github.com/hashicorp/terraform-provider-aws/issues/14764))
 * data-source/aws_lb: Add `enable_waf_fail_open` attribute ([#16393](https://github.com/hashicorp/terraform-provider-aws/issues/16393))
@@ -18,11 +20,13 @@ ENHANCEMENTS:
 * resource/aws_cloudtrail: Add `exclude_management_event_sources` argument ([#17203](https://github.com/hashicorp/terraform-provider-aws/issues/17203))
 * resource/aws_dlm_lifecycle_policy: Add `cross_region_copy_rule` argument in the `schedule` configuration block ([#12868](https://github.com/hashicorp/terraform-provider-aws/issues/12868))
 * resource/aws_ec2_fleet: Support in-place update of Launch Template config ([#15387](https://github.com/hashicorp/terraform-provider-aws/issues/15387))
+* resource/aws_ecs_service: Allow `capacity_provider_strategy` changes to be updated in place, when possible ([#20707](https://github.com/hashicorp/terraform-provider-aws/issues/20707))
 * resource/aws_elasticache_replication_group: Allow `auth_token` argument to be rotated without destroy and create ([#16203](https://github.com/hashicorp/terraform-provider-aws/issues/16203))
 * resource/aws_elb: Add `desync_mitigation_mode` argument ([#14764](https://github.com/hashicorp/terraform-provider-aws/issues/14764))
 * resource/aws_lb: Add `desync_mitigation_mode` argument ([#14764](https://github.com/hashicorp/terraform-provider-aws/issues/14764))
 * resource/aws_lb: Add `enable_waf_fail_open` argument ([#16393](https://github.com/hashicorp/terraform-provider-aws/issues/16393))
 * resource/aws_lb: Update `name` and `name_prefix` plan-time validation to exclude `"internal-"` ([#10693](https://github.com/hashicorp/terraform-provider-aws/issues/10693))
+* resource/aws_ssm_association: Add `s3_region` argument to `output_location` configuration block ([#21803](https://github.com/hashicorp/terraform-provider-aws/issues/21803))
 
 BUG FIXES:
 
@@ -30,6 +34,7 @@ BUG FIXES:
 * resource/aws_autoscaling_group: Prevent infinite wait for capacity when increasing `min_size` and not specifying `desired_capacity` ([#12018](https://github.com/hashicorp/terraform-provider-aws/issues/12018))
 * resource/aws_ecs_service: Mark `enable_ecs_managed_tags` as `ForceNew` ([#7983](https://github.com/hashicorp/terraform-provider-aws/issues/7983))
 * resource/aws_imagebuilder_image_recipe: Enabled updates without failures due to `aws_imagebuilder_image_pipeline` dependencies. ([#21884](https://github.com/hashicorp/terraform-provider-aws/issues/21884))
+* resource/aws_rds_cluster_instance: Fix error from unexpected state `storage-optimization` ([#21900](https://github.com/hashicorp/terraform-provider-aws/issues/21900))
 * resource/aws_s3_bucket: Prevent `OperationAborted` conflict errors when simultaneously applying `aws_s3_bucket_policy`, `aws_s3_bucket_public_access_block` changes ([#12949](https://github.com/hashicorp/terraform-provider-aws/issues/12949))
 * resource/aws_s3_bucket_policy: Prevent `OperationAborted` conflict errors when simultaneously applying `aws_s3_bucket`, `aws_s3_bucket_public_access_block` changes ([#12949](https://github.com/hashicorp/terraform-provider-aws/issues/12949))
 * resource/aws_s3_bucket_public_access_block: Prevent `OperationAborted` conflict errors when simultaneously applying `aws_s3_bucket_policy`, `aws_s3_bucket` changes ([#12949](https://github.com/hashicorp/terraform-provider-aws/issues/12949))