diff --git a/README.md b/README.md
index 8681938..0118335 100644
--- a/README.md
+++ b/README.md
@@ -84,3 +84,10 @@ To put data to a Spectra S3 appliance you have to do it inside the context of wh
 [An example of getting data with the Python SDK](samples/gettingData.py)
 
 [An example of how give objects on the server a different name than what is on the filesystem, and how to delete objects by folder](samples/renaming.py)
+
+## Creating a New Release
+Update the version of the SDK before creating a new release. The format is `<major>.<minor>.<patch>`, where the 
+`<major>.<minor>` numbers must match the version of BP. The `<patch>` is an incrementing number that increments with 
+each SDK release for a given major/minor release.
+
+The release number is specified in `setup.py`.
diff --git a/ds3/ds3.py b/ds3/ds3.py
index 5d9e6bc..d5b200c 100644
--- a/ds3/ds3.py
+++ b/ds3/ds3.py
@@ -330,8 +330,10 @@ def __init__(self):
             'DefaultVerifyDataPriorToImport': None,
             'Id': None,
             'InstanceId': None,
+            'IomCacheLimitationPercent': None,
             'IomEnabled': None,
             'LastHeartbeat': None,
+            'MaxAggregatedBlobsPerChunk': None,
             'PartiallyVerifyLastPercentOfTapes': None,
             'UnavailableMediaPolicy': None,
             'UnavailablePoolMaxJobRetryInMins': None,
@@ -3169,7 +3171,7 @@ def __init__(self, full_details=None):
 
 class ModifyDataPathBackendSpectraS3Request(AbstractRequest):
     
-    def __init__(self, activated=None, allow_new_job_requests=None, auto_activate_timeout_in_mins=None, auto_inspect=None, cache_available_retry_after_in_seconds=None, default_verify_data_after_import=None, default_verify_data_prior_to_import=None, iom_enabled=None, partially_verify_last_percent_of_tapes=None, unavailable_media_policy=None, unavailable_pool_max_job_retry_in_mins=None, unavailable_tape_partition_max_job_retry_in_mins=None):
+    def __init__(self, activated=None, allow_new_job_requests=None, auto_activate_timeout_in_mins=None, auto_inspect=None, cache_available_retry_after_in_seconds=None, default_verify_data_after_import=None, default_verify_data_prior_to_import=None, iom_cache_limitation_percent=None, iom_enabled=None, max_aggregated_blobs_per_chunk=None, partially_verify_last_percent_of_tapes=None, unavailable_media_policy=None, unavailable_pool_max_job_retry_in_mins=None, unavailable_tape_partition_max_job_retry_in_mins=None):
         super(ModifyDataPathBackendSpectraS3Request, self).__init__()
         if activated is not None:
             self.query_params['activated'] = activated
@@ -3185,8 +3187,12 @@ def __init__(self, activated=None, allow_new_job_requests=None, auto_activate_ti
             self.query_params['default_verify_data_after_import'] = default_verify_data_after_import
         if default_verify_data_prior_to_import is not None:
             self.query_params['default_verify_data_prior_to_import'] = default_verify_data_prior_to_import
+        if iom_cache_limitation_percent is not None:
+            self.query_params['iom_cache_limitation_percent'] = iom_cache_limitation_percent
         if iom_enabled is not None:
             self.query_params['iom_enabled'] = iom_enabled
+        if max_aggregated_blobs_per_chunk is not None:
+            self.query_params['max_aggregated_blobs_per_chunk'] = max_aggregated_blobs_per_chunk
         if partially_verify_last_percent_of_tapes is not None:
             self.query_params['partially_verify_last_percent_of_tapes'] = partially_verify_last_percent_of_tapes
         if unavailable_media_policy is not None:
diff --git a/setup.py b/setup.py
index dbd325a..9a817c2 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@
 from distutils.core import setup
 
 setup(name='DS3 SDK',
-    version='5.3.0',
+    version='5.4.0',
     description='Python3 SDK and CLI for Spectra S3',
     author_email='developer@spectralogic.com',
     packages=['ds3'])