diff --git a/awscrt/s3.py b/awscrt/s3.py
index 26432270a..c06f7bf4c 100644
--- a/awscrt/s3.py
+++ b/awscrt/s3.py
@@ -10,7 +10,8 @@
 from awscrt import NativeResource
 from awscrt.http import HttpRequest
 from awscrt.io import ClientBootstrap, TlsConnectionOptions
-from awscrt.auth import AwsCredentialsProvider, AwsSignatureType, AwsSignedBodyHeaderType, AwsSignedBodyValue, AwsSigningAlgorithm, AwsSigningConfig
+from awscrt.auth import AwsCredentialsProvider, AwsSignatureType, AwsSignedBodyHeaderType, AwsSignedBodyValue, \
+    AwsSigningAlgorithm, AwsSigningConfig
 import awscrt.exceptions
 from dataclasses import dataclass
 import threading
@@ -178,6 +179,7 @@ def __init__(
 
         def on_shutdown():
             shutdown_event.set()
+
         self._region = region
         self.shutdown_event = shutdown_event
 
@@ -503,3 +505,30 @@ def create_default_s3_signing_config(*, region: str, credential_provider: AwsCre
         use_double_uri_encode=False,
         should_normalize_uri_path=False,
     )
+
+
+def get_ec2_instance_type():
+    """
+        First this function will check it's running on EC2 via. attempting to read DMI info to avoid making IMDS calls.
+
+        If the function detects it's on EC2, and it was able to detect the instance type without a call to IMDS
+        it will return it.
+
+        Finally, it will call IMDS and return the instance type from there.
+        Note that in the case of the IMDS call, a new client stack is spun up using 1 background thread. The call is made
+        synchronously with a 1 second timeout: It's not cheap. To make this easier, the underlying result is cached
+        internally and will be freed when this module is unloaded is called.
+
+        Returns:
+           A string indicating the instance type or None if it could not be determined.
+    """
+    return _awscrt.s3_get_ec2_instance_type()
+
+
+def is_optimized_for_system():
+    """
+        Returns:
+            true if the current build of this module has an optimized configuration
+            for the current system.
+    """
+    return _awscrt.s3_is_crt_s3_optimized_for_system()
diff --git a/crt/aws-c-auth b/crt/aws-c-auth
index c75e00804..ecbb37fe6 160000
--- a/crt/aws-c-auth
+++ b/crt/aws-c-auth
@@ -1 +1 @@
-Subproject commit c75e00804da02fef8275b29509bd7180cb7e4667
+Subproject commit ecbb37fe6549e7a0f5814050be076a2312118b38
diff --git a/crt/aws-c-common b/crt/aws-c-common
index 4c0a9f579..e381a7bee 160000
--- a/crt/aws-c-common
+++ b/crt/aws-c-common
@@ -1 +1 @@
-Subproject commit 4c0a9f579d3064f086b42a2d39aaea721e7e71ca
+Subproject commit e381a7beeacb070f1816989dcb0e2c0ae6eccaea
diff --git a/crt/aws-c-s3 b/crt/aws-c-s3
index 684484e39..ecaf3f754 160000
--- a/crt/aws-c-s3
+++ b/crt/aws-c-s3
@@ -1 +1 @@
-Subproject commit 684484e39dbc1a7414907f0af4001a89e85d9708
+Subproject commit ecaf3f7549c8339f678ed348706fcc62038a5a5e
diff --git a/crt/aws-lc b/crt/aws-lc
index e42a4ef22..40f0eb69c 160000
--- a/crt/aws-lc
+++ b/crt/aws-lc
@@ -1 +1 @@
-Subproject commit e42a4ef2270c4873e98101098edd1f0aaece966d
+Subproject commit 40f0eb69cfbdb201308c51bf12feffc247fb4186
diff --git a/source/module.c b/source/module.c
index 132f1353d..182b50860 100644
--- a/source/module.c
+++ b/source/module.c
@@ -799,6 +799,8 @@ static PyMethodDef s_module_methods[] = {
     AWS_PY_METHOD_DEF(s3_client_new, METH_VARARGS),
     AWS_PY_METHOD_DEF(s3_client_make_meta_request, METH_VARARGS),
     AWS_PY_METHOD_DEF(s3_meta_request_cancel, METH_VARARGS),
+    AWS_PY_METHOD_DEF(s3_get_ec2_instance_type, METH_NOARGS),
+    AWS_PY_METHOD_DEF(s3_is_crt_s3_optimized_for_system, METH_NOARGS),
 
     /* WebSocket */
     AWS_PY_METHOD_DEF(websocket_client_connect, METH_VARARGS),
diff --git a/source/s3.h b/source/s3.h
index 7a35c26e0..85543adc0 100644
--- a/source/s3.h
+++ b/source/s3.h
@@ -7,6 +7,9 @@
 
 #include "module.h"
 
+PyObject *aws_py_s3_get_ec2_instance_type(PyObject *self, PyObject *args);
+PyObject *aws_py_s3_is_crt_s3_optimized_for_system(PyObject *self, PyObject *args);
+
 PyObject *aws_py_s3_client_new(PyObject *self, PyObject *args);
 PyObject *aws_py_s3_client_make_meta_request(PyObject *self, PyObject *args);
 
diff --git a/source/s3_client.c b/source/s3_client.c
index 4761c59ff..171c66608 100644
--- a/source/s3_client.c
+++ b/source/s3_client.c
@@ -10,6 +10,33 @@
 
 static const char *s_capsule_name_s3_client = "aws_s3_client";
 
+PyObject *aws_py_s3_get_ec2_instance_type(PyObject *self, PyObject *args) {
+    (void)self;
+    (void)args;
+
+    const struct aws_s3_platform_info *platform_info = aws_s3_get_current_platform_info();
+
+    if (platform_info->instance_type.len) {
+        PyObject *ret_value = PyUnicode_FromAwsByteCursor(&platform_info->instance_type);
+        return ret_value;
+    }
+
+    Py_RETURN_NONE;
+}
+
+PyObject *aws_py_s3_is_crt_s3_optimized_for_system(PyObject *self, PyObject *args) {
+    (void)self;
+    (void)args;
+
+    const struct aws_s3_platform_info *platform_info = aws_s3_get_current_platform_info();
+
+    if (platform_info->has_recommended_configuration) {
+        Py_RETURN_TRUE;
+    }
+
+    Py_RETURN_FALSE;
+}
+
 struct s3_client_binding {
     struct aws_s3_client *native;