diff --git a/sdk/servicegroups/azure-mgmt-servicegroups/CHANGELOG.md b/sdk/servicegroups/azure-mgmt-servicegroups/CHANGELOG.md
index 350052d75a09..bac3db42f99e 100644
--- a/sdk/servicegroups/azure-mgmt-servicegroups/CHANGELOG.md
+++ b/sdk/servicegroups/azure-mgmt-servicegroups/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release History
 
+## 1.0.0b2 (2026-05-20)
+
+tool can't generate changelog for this release, please update manually.
+
 ## 1.0.0b1 (2026-03-31)
 
 ### Other Changes
diff --git a/sdk/servicegroups/azure-mgmt-servicegroups/README.md b/sdk/servicegroups/azure-mgmt-servicegroups/README.md
index 3a16d6afe685..dae1c194b5eb 100644
--- a/sdk/servicegroups/azure-mgmt-servicegroups/README.md
+++ b/sdk/servicegroups/azure-mgmt-servicegroups/README.md
@@ -1,7 +1,7 @@
 # Microsoft Azure SDK for Python
 
 This is the Microsoft Azure Service Groups Management Client Library.
-This package has been tested with Python 3.9+.
+This package has been tested with Python 3.10+.
 For a more complete view of Azure libraries, see the [azure sdk python release](https://aka.ms/azsdk/python/all).
 
 ## _Disclaimer_
@@ -12,7 +12,7 @@ _Azure SDK Python packages support for Python 2.7 has ended 01 January 2022. For
 
 ### Prerequisites
 
-- Python 3.9+ is required to use this package.
+- Python 3.10+ is required to use this package.
 - [Azure subscription](https://azure.microsoft.com/free/)
 
 ### Install the package
diff --git a/sdk/servicegroups/azure-mgmt-servicegroups/_metadata.json b/sdk/servicegroups/azure-mgmt-servicegroups/_metadata.json
index d310469b2f17..739b2c6af97c 100644
--- a/sdk/servicegroups/azure-mgmt-servicegroups/_metadata.json
+++ b/sdk/servicegroups/azure-mgmt-servicegroups/_metadata.json
@@ -3,8 +3,8 @@
   "apiVersions": {
     "Microsoft.Management": "2024-02-01-preview"
   },
-  "commit": "75b0c9a8539f7c64386ff6ff10cb6c75711bdefc",
+  "commit": "6d50d64d3eeca46ecf1b4af80e9994bac920a7d0",
   "repository_url": "https://github.com/Azure/azure-rest-api-specs",
   "typespec_src": "specification/management/resource-manager/Microsoft.Management/ServiceGroups",
-  "emitterVersion": "0.61.2"
+  "emitterVersion": "0.62.1"
 }
\ No newline at end of file
diff --git a/sdk/servicegroups/azure-mgmt-servicegroups/apiview-properties.json b/sdk/servicegroups/azure-mgmt-servicegroups/apiview-properties.json
index 94456dd34d68..af0fec6fa96c 100644
--- a/sdk/servicegroups/azure-mgmt-servicegroups/apiview-properties.json
+++ b/sdk/servicegroups/azure-mgmt-servicegroups/apiview-properties.json
@@ -23,5 +23,6 @@
         "azure.mgmt.servicegroups.aio.ServiceGroupsMgmtClient.begin_update_service_group": "Microsoft.Management.ServiceGroups.updateServiceGroup",
         "azure.mgmt.servicegroups.ServiceGroupsMgmtClient.begin_delete_service_group": "Microsoft.Management.ServiceGroups.deleteServiceGroup",
         "azure.mgmt.servicegroups.aio.ServiceGroupsMgmtClient.begin_delete_service_group": "Microsoft.Management.ServiceGroups.deleteServiceGroup"
-    }
+    },
+    "CrossLanguageVersion": "c5308d55a0d6"
 }
\ No newline at end of file
diff --git a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_client.py b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_client.py
index ffa05610c18b..cce6a1231d87 100644
--- a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_client.py
+++ b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_client.py
@@ -7,8 +7,8 @@
 # --------------------------------------------------------------------------
 
 from copy import deepcopy
+import sys
 from typing import Any, Optional, TYPE_CHECKING, cast
-from typing_extensions import Self
 
 from azure.core.pipeline import policies
 from azure.core.rest import HttpRequest, HttpResponse
@@ -21,15 +21,18 @@
 from ._utils.serialization import Deserializer, Serializer
 from .operations import ServiceGroupsOperations, _ServiceGroupsMgmtClientOperationsMixin
 
+if sys.version_info >= (3, 11):
+    from typing import Self
+else:
+    from typing_extensions import Self  # type: ignore
+
 if TYPE_CHECKING:
     from azure.core import AzureClouds
     from azure.core.credentials import TokenCredential
 
 
 class ServiceGroupsMgmtClient(_ServiceGroupsMgmtClientOperationsMixin):
-    """The Groups RP provides Service Groups as a construct to group multiple resources, resource
-    groups, subscriptions and other service groups into an organizational hierarchy and centrally
-    manage access control, policies, alerting and reporting for those resources.
+    """ServiceGroupsMgmtClient.
 
     :ivar service_groups: ServiceGroupsOperations operations
     :vartype service_groups: azure.mgmt.servicegroups.operations.ServiceGroupsOperations
@@ -41,8 +44,9 @@ class ServiceGroupsMgmtClient(_ServiceGroupsMgmtClientOperationsMixin):
      None.
     :paramtype cloud_setting: ~azure.core.AzureClouds
     :keyword api_version: The API version to use for this operation. Known values are
-     "2024-02-01-preview". Default value is "2024-02-01-preview". Note that overriding this default
-     value may result in unsupported behavior.
+     "2024-02-01-preview" and None. Default value is None. If not set, the operation's default API
+     version will be used. Note that overriding this default value may result in unsupported
+     behavior.
     :paramtype api_version: str
     :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
      Retry-After header is present.
diff --git a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_configuration.py b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_configuration.py
index 1ced88dd286a..eb41db5d5a2a 100644
--- a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_configuration.py
+++ b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_configuration.py
@@ -32,8 +32,9 @@ class ServiceGroupsMgmtClientConfiguration:  # pylint: disable=too-many-instance
      None.
     :type cloud_setting: ~azure.core.AzureClouds
     :keyword api_version: The API version to use for this operation. Known values are
-     "2024-02-01-preview". Default value is "2024-02-01-preview". Note that overriding this default
-     value may result in unsupported behavior.
+     "2024-02-01-preview" and None. Default value is None. If not set, the operation's default API
+     version will be used. Note that overriding this default value may result in unsupported
+     behavior.
     :paramtype api_version: str
     """
 
diff --git a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_patch.py b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_patch.py
index 87676c65a8f0..ea765788358a 100644
--- a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_patch.py
+++ b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_patch.py
@@ -8,7 +8,6 @@
 Follow our quickstart for examples: https://aka.ms/azsdk/python/dpcodegen/python/customize
 """
 
-
 __all__: list[str] = []  # Add all objects you want publicly available to users at this package level
 
 
diff --git a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_utils/model_base.py b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_utils/model_base.py
index 7b7f8ba67b53..4102784f9a85 100644
--- a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_utils/model_base.py
+++ b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_utils/model_base.py
@@ -23,14 +23,19 @@
 from json import JSONEncoder
 import xml.etree.ElementTree as ET
 from collections.abc import MutableMapping
-from typing_extensions import Self
 import isodate
 from azure.core.exceptions import DeserializationError
 from azure.core import CaseInsensitiveEnumMeta
 from azure.core.pipeline import PipelineResponse
 from azure.core.serialization import _Null
+
 from azure.core.rest import HttpResponse
 
+if sys.version_info >= (3, 11):
+    from typing import Self
+else:
+    from typing_extensions import Self
+
 _LOGGER = logging.getLogger(__name__)
 
 __all__ = ["SdkJSONEncoder", "Model", "rest_field", "rest_discriminator"]
@@ -595,62 +600,10 @@ def __init__(self, *args: typing.Any, **kwargs: typing.Any) -> None:
         class_name = self.__class__.__name__
         if len(args) > 1:
             raise TypeError(f"{class_name}.__init__() takes 2 positional arguments but {len(args) + 1} were given")
-        dict_to_pass = {
-            rest_field._rest_name: rest_field._default
-            for rest_field in self._attr_to_rest_field.values()
-            if rest_field._default is not _UNSET
-        }
-        if args:  # pylint: disable=too-many-nested-blocks
+        dict_to_pass: dict[str, typing.Any] = {}
+        if args:
             if isinstance(args[0], ET.Element):
-                existed_attr_keys = []
-                model_meta = getattr(self, "_xml", {})
-
-                for rf in self._attr_to_rest_field.values():
-                    prop_meta = getattr(rf, "_xml", {})
-                    xml_name = prop_meta.get("name", rf._rest_name)
-                    xml_ns = prop_meta.get("ns", model_meta.get("ns", None))
-                    if xml_ns:
-                        xml_name = "{" + xml_ns + "}" + xml_name
-
-                    # attribute
-                    if prop_meta.get("attribute", False) and args[0].get(xml_name) is not None:
-                        existed_attr_keys.append(xml_name)
-                        dict_to_pass[rf._rest_name] = _deserialize(rf._type, args[0].get(xml_name))
-                        continue
-
-                    # unwrapped element is array
-                    if prop_meta.get("unwrapped", False):
-                        # unwrapped array could either use prop items meta/prop meta
-                        if prop_meta.get("itemsName"):
-                            xml_name = prop_meta.get("itemsName")
-                            xml_ns = prop_meta.get("itemNs")
-                            if xml_ns:
-                                xml_name = "{" + xml_ns + "}" + xml_name
-                        items = args[0].findall(xml_name)  # pyright: ignore
-                        if len(items) > 0:
-                            existed_attr_keys.append(xml_name)
-                            dict_to_pass[rf._rest_name] = _deserialize(rf._type, items)
-                        elif not rf._is_optional:
-                            existed_attr_keys.append(xml_name)
-                            dict_to_pass[rf._rest_name] = []
-                        continue
-
-                    # text element is primitive type
-                    if prop_meta.get("text", False):
-                        if args[0].text is not None:
-                            dict_to_pass[rf._rest_name] = _deserialize(rf._type, args[0].text)
-                        continue
-
-                    # wrapped element could be normal property or array, it should only have one element
-                    item = args[0].find(xml_name)
-                    if item is not None:
-                        existed_attr_keys.append(xml_name)
-                        dict_to_pass[rf._rest_name] = _deserialize(rf._type, item)
-
-                # rest thing is additional properties
-                for e in args[0]:
-                    if e.tag not in existed_attr_keys:
-                        dict_to_pass[e.tag] = _convert_element(e)
+                dict_to_pass.update(self._init_from_xml(args[0]))
             else:
                 dict_to_pass.update(
                     {k: _create_value(_get_rest_field(self._attr_to_rest_field, k), v) for k, v in args[0].items()}
@@ -667,8 +620,79 @@ def __init__(self, *args: typing.Any, **kwargs: typing.Any) -> None:
                     if v is not None
                 }
             )
+        # Apply client default values for fields the caller didn't set so that
+        # defaults are part of `_data` and therefore included during serialization.
+        for rf in self._attr_to_rest_field.values():
+            if rf._default is _UNSET:
+                continue
+            if rf._rest_name in dict_to_pass:
+                continue
+            dict_to_pass[rf._rest_name] = _create_value(rf, rf._default)
         super().__init__(dict_to_pass)
 
+    def _init_from_xml(self, element: ET.Element) -> dict[str, typing.Any]:
+        """Deserialize an XML element into a dict mapping rest field names to values.
+
+        :param ET.Element element: The XML element to deserialize from.
+        :returns: A dictionary of rest_name to deserialized value pairs.
+        :rtype: dict
+        """
+        result: dict[str, typing.Any] = {}
+        model_meta = getattr(self, "_xml", {})
+        existed_attr_keys: list[str] = []
+
+        for rf in self._attr_to_rest_field.values():
+            prop_meta = getattr(rf, "_xml", {})
+            xml_name = prop_meta.get("name", rf._rest_name)
+            xml_ns = _resolve_xml_ns(prop_meta, model_meta)
+            if xml_ns:
+                xml_name = "{" + xml_ns + "}" + xml_name
+
+            # attribute
+            if prop_meta.get("attribute", False) and element.get(xml_name) is not None:
+                existed_attr_keys.append(xml_name)
+                result[rf._rest_name] = _deserialize(rf._type, element.get(xml_name))
+                continue
+
+            # unwrapped element is array
+            if prop_meta.get("unwrapped", False):
+                # unwrapped array could either use prop items meta/prop meta
+                _items_name = prop_meta.get("itemsName")
+                if _items_name:
+                    xml_name = _items_name
+                    _items_ns = prop_meta.get("itemsNs")
+                    if _items_ns is not None:
+                        xml_ns = _items_ns
+                    if xml_ns:
+                        xml_name = "{" + xml_ns + "}" + xml_name
+                items = element.findall(xml_name)  # pyright: ignore
+                if len(items) > 0:
+                    existed_attr_keys.append(xml_name)
+                    result[rf._rest_name] = _deserialize(rf._type, items)
+                elif not rf._is_optional:
+                    existed_attr_keys.append(xml_name)
+                    result[rf._rest_name] = []
+                continue
+
+            # text element is primitive type
+            if prop_meta.get("text", False):
+                if element.text is not None:
+                    result[rf._rest_name] = _deserialize(rf._type, element.text)
+                continue
+
+            # wrapped element could be normal property or array, it should only have one element
+            item = element.find(xml_name)
+            if item is not None:
+                existed_attr_keys.append(xml_name)
+                result[rf._rest_name] = _deserialize(rf._type, item)
+
+        # rest thing is additional properties
+        for e in element:
+            if e.tag not in existed_attr_keys:
+                result[e.tag] = _convert_element(e)
+
+        return result
+
     def copy(self) -> "Model":
         return Model(self.__dict__)
 
@@ -721,7 +745,7 @@ def _deserialize(cls, data, exist_discriminators):
             model_meta = getattr(cls, "_xml", {})
             prop_meta = getattr(discriminator, "_xml", {})
             xml_name = prop_meta.get("name", discriminator._rest_name)
-            xml_ns = prop_meta.get("ns", model_meta.get("ns", None))
+            xml_ns = _resolve_xml_ns(prop_meta, model_meta)
             if xml_ns:
                 xml_name = "{" + xml_ns + "}" + xml_name
 
@@ -1098,7 +1122,10 @@ def __get__(self, obj: Model, type=None):  # pylint: disable=redefined-builtin
         # by this point, type and rest_name will have a value bc we default
         # them in __new__ of the Model class
         # Use _data.get() directly to avoid triggering __getitem__ which clears the cache
-        item = obj._data.get(self._rest_name)
+        item = obj._data.get(self._rest_name, _UNSET)
+        if item is _UNSET:
+            # Field not set by user; return the client default if one exists, otherwise None
+            return self._default if self._default is not _UNSET else None
         if item is None:
             return item
         if self._is_model:
@@ -1190,6 +1217,56 @@ def serialize_xml(model: Model, exclude_readonly: bool = False) -> str:
     return ET.tostring(_get_element(model, exclude_readonly), encoding="unicode")  # type: ignore
 
 
+def _get_xml_ns(meta: dict[str, typing.Any]) -> typing.Optional[str]:
+    """Return the XML namespace from a metadata dict, checking both 'ns' (old-style) and 'namespace' (DPG) keys.
+
+    :param dict meta: The metadata dictionary to extract namespace from.
+    :returns: The namespace string if 'ns' or 'namespace' key is present, None otherwise.
+    :rtype: str or None
+    """
+    ns = meta.get("ns")
+    if ns is None:
+        ns = meta.get("namespace")
+    return ns
+
+
+def _resolve_xml_ns(
+    prop_meta: dict[str, typing.Any], model_meta: typing.Optional[dict[str, typing.Any]] = None
+) -> typing.Optional[str]:
+    """Resolve XML namespace for a property, falling back to model namespace when appropriate.
+
+    Checks the property metadata first; if no namespace is found and the model does not declare
+    an explicit prefix, falls back to the model-level namespace.
+
+    :param dict prop_meta: The property metadata dictionary.
+    :param dict model_meta: The model metadata dictionary, used as fallback.
+    :returns: The resolved namespace string, or None.
+    :rtype: str or None
+    """
+    ns = _get_xml_ns(prop_meta)
+    if ns is None and model_meta is not None and not model_meta.get("prefix"):
+        ns = _get_xml_ns(model_meta)
+    return ns
+
+
+def _set_xml_attribute(element: ET.Element, name: str, value: typing.Any, prop_meta: dict[str, typing.Any]) -> None:
+    """Set an XML attribute on an element, handling namespace prefix registration.
+
+    :param ET.Element element: The element to set the attribute on.
+    :param str name: The default attribute name (wire name).
+    :param any value: The attribute value.
+    :param dict prop_meta: The property metadata dictionary.
+    """
+    xml_name = prop_meta.get("name", name)
+    _attr_ns = _get_xml_ns(prop_meta)
+    if _attr_ns:
+        _attr_prefix = prop_meta.get("prefix")
+        if _attr_prefix:
+            _safe_register_namespace(_attr_prefix, _attr_ns)
+        xml_name = "{" + _attr_ns + "}" + xml_name
+    element.set(xml_name, _get_primitive_type_value(value))
+
+
 def _get_element(
     o: typing.Any,
     exclude_readonly: bool = False,
@@ -1201,10 +1278,16 @@ def _get_element(
 
         # if prop is a model, then use the prop element directly, else generate a wrapper of model
         if wrapped_element is None:
+            # When serializing as an array item (parent_meta is set), check if the parent has an
+            # explicit itemsName. This ensures correct element names for unwrapped arrays (where
+            # the element tag is the property/items name, not the model type name).
+            _items_name = parent_meta.get("itemsName") if parent_meta is not None else None
+            element_name = _items_name if _items_name else (model_meta.get("name") or o.__class__.__name__)
+            _model_ns = _get_xml_ns(model_meta)
             wrapped_element = _create_xml_element(
-                model_meta.get("name", o.__class__.__name__),
+                element_name,
                 model_meta.get("prefix"),
-                model_meta.get("ns"),
+                _model_ns,
             )
 
         readonly_props = []
@@ -1226,7 +1309,9 @@ def _get_element(
                 # additional properties will not have rest field, use the wire name as xml name
                 prop_meta = {"name": k}
 
-            # if no ns for prop, use model's
+            # Propagate model namespace to properties only for old-style "ns"-keyed models.
+            # DPG-generated models use the "namespace" key and explicitly declare namespace on
+            # each property that needs it, so propagation is intentionally skipped for them.
             if prop_meta.get("ns") is None and model_meta.get("ns"):
                 prop_meta["ns"] = model_meta.get("ns")
                 prop_meta["prefix"] = model_meta.get("prefix")
@@ -1238,12 +1323,7 @@ def _get_element(
                 # text could only set on primitive type
                 wrapped_element.text = _get_primitive_type_value(v)
             elif prop_meta.get("attribute", False):
-                xml_name = prop_meta.get("name", k)
-                if prop_meta.get("ns"):
-                    ET.register_namespace(prop_meta.get("prefix"), prop_meta.get("ns"))  # pyright: ignore
-                    xml_name = "{" + prop_meta.get("ns") + "}" + xml_name  # pyright: ignore
-                # attribute should be primitive type
-                wrapped_element.set(xml_name, _get_primitive_type_value(v))
+                _set_xml_attribute(wrapped_element, k, v, prop_meta)
             else:
                 # other wrapped prop element
                 wrapped_element.append(_get_wrapped_element(v, exclude_readonly, prop_meta))
@@ -1252,6 +1332,7 @@ def _get_element(
         return [_get_element(x, exclude_readonly, parent_meta) for x in o]  # type: ignore
     if isinstance(o, dict):
         result = []
+        _dict_ns = _get_xml_ns(parent_meta) if parent_meta else None
         for k, v in o.items():
             result.append(
                 _get_wrapped_element(
@@ -1259,7 +1340,7 @@ def _get_element(
                     exclude_readonly,
                     {
                         "name": k,
-                        "ns": parent_meta.get("ns") if parent_meta else None,
+                        "ns": _dict_ns,
                         "prefix": parent_meta.get("prefix") if parent_meta else None,
                     },
                 )
@@ -1268,13 +1349,16 @@ def _get_element(
 
     # primitive case need to create element based on parent_meta
     if parent_meta:
+        _items_ns = parent_meta.get("itemsNs")
+        if _items_ns is None:
+            _items_ns = _get_xml_ns(parent_meta)
         return _get_wrapped_element(
             o,
             exclude_readonly,
             {
                 "name": parent_meta.get("itemsName", parent_meta.get("name")),
                 "prefix": parent_meta.get("itemsPrefix", parent_meta.get("prefix")),
-                "ns": parent_meta.get("itemsNs", parent_meta.get("ns")),
+                "ns": _items_ns,
             },
         )
 
@@ -1286,8 +1370,9 @@ def _get_wrapped_element(
     exclude_readonly: bool,
     meta: typing.Optional[dict[str, typing.Any]],
 ) -> ET.Element:
+    _meta_ns = _get_xml_ns(meta) if meta else None
     wrapped_element = _create_xml_element(
-        meta.get("name") if meta else None, meta.get("prefix") if meta else None, meta.get("ns") if meta else None
+        meta.get("name") if meta else None, meta.get("prefix") if meta else None, _meta_ns
     )
     if isinstance(v, (dict, list)):
         wrapped_element.extend(_get_element(v, exclude_readonly, meta))
@@ -1308,11 +1393,29 @@ def _get_primitive_type_value(v) -> str:
     return str(v)
 
 
+def _safe_register_namespace(prefix: str, ns: str) -> None:
+    """Register an XML namespace prefix, handling reserved prefix patterns.
+
+    Some prefixes (e.g. 'ns2') match Python's reserved 'ns\\d+' pattern used for
+    auto-generated prefixes, causing register_namespace to raise ValueError.
+    Falls back to directly registering in the internal namespace map.
+
+    :param str prefix: The namespace prefix to register.
+    :param str ns: The namespace URI.
+    """
+    try:
+        ET.register_namespace(prefix, ns)
+    except ValueError:
+        _ns_map = getattr(ET, "_namespace_map", None)
+        if _ns_map is not None:
+            _ns_map[ns] = prefix
+
+
 def _create_xml_element(
     tag: typing.Any, prefix: typing.Optional[str] = None, ns: typing.Optional[str] = None
 ) -> ET.Element:
     if prefix and ns:
-        ET.register_namespace(prefix, ns)
+        _safe_register_namespace(prefix, ns)
     if ns:
         return ET.Element("{" + ns + "}" + tag)
     return ET.Element(tag)
diff --git a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_utils/serialization.py b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_utils/serialization.py
index 81ec1de5922b..954bf7ebffa7 100644
--- a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_utils/serialization.py
+++ b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_utils/serialization.py
@@ -39,11 +39,15 @@
 import xml.etree.ElementTree as ET
 
 import isodate  # type: ignore
-from typing_extensions import Self
 
 from azure.core.exceptions import DeserializationError, SerializationError
 from azure.core.serialization import NULL as CoreNull
 
+if sys.version_info >= (3, 11):
+    from typing import Self
+else:
+    from typing_extensions import Self
+
 _BOM = codecs.BOM_UTF8.decode(encoding="utf-8")
 
 JSON = MutableMapping[str, Any]
diff --git a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_version.py b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_version.py
index be71c81bd282..bbcd28b4aa67 100644
--- a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_version.py
+++ b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/_version.py
@@ -6,4 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-VERSION = "1.0.0b1"
+VERSION = "1.0.0b2"
diff --git a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/aio/_client.py b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/aio/_client.py
index 34821eb1b1d9..accc73650697 100644
--- a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/aio/_client.py
+++ b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/aio/_client.py
@@ -7,8 +7,8 @@
 # --------------------------------------------------------------------------
 
 from copy import deepcopy
+import sys
 from typing import Any, Awaitable, Optional, TYPE_CHECKING, cast
-from typing_extensions import Self
 
 from azure.core.pipeline import policies
 from azure.core.rest import AsyncHttpResponse, HttpRequest
@@ -21,15 +21,18 @@
 from ._configuration import ServiceGroupsMgmtClientConfiguration
 from .operations import ServiceGroupsOperations, _ServiceGroupsMgmtClientOperationsMixin
 
+if sys.version_info >= (3, 11):
+    from typing import Self
+else:
+    from typing_extensions import Self  # type: ignore
+
 if TYPE_CHECKING:
     from azure.core import AzureClouds
     from azure.core.credentials_async import AsyncTokenCredential
 
 
 class ServiceGroupsMgmtClient(_ServiceGroupsMgmtClientOperationsMixin):
-    """The Groups RP provides Service Groups as a construct to group multiple resources, resource
-    groups, subscriptions and other service groups into an organizational hierarchy and centrally
-    manage access control, policies, alerting and reporting for those resources.
+    """ServiceGroupsMgmtClient.
 
     :ivar service_groups: ServiceGroupsOperations operations
     :vartype service_groups: azure.mgmt.servicegroups.aio.operations.ServiceGroupsOperations
@@ -41,8 +44,9 @@ class ServiceGroupsMgmtClient(_ServiceGroupsMgmtClientOperationsMixin):
      None.
     :paramtype cloud_setting: ~azure.core.AzureClouds
     :keyword api_version: The API version to use for this operation. Known values are
-     "2024-02-01-preview". Default value is "2024-02-01-preview". Note that overriding this default
-     value may result in unsupported behavior.
+     "2024-02-01-preview" and None. Default value is None. If not set, the operation's default API
+     version will be used. Note that overriding this default value may result in unsupported
+     behavior.
     :paramtype api_version: str
     :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
      Retry-After header is present.
diff --git a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/aio/_configuration.py b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/aio/_configuration.py
index 1d8e60691da7..b2ff566deb10 100644
--- a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/aio/_configuration.py
+++ b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/aio/_configuration.py
@@ -32,8 +32,9 @@ class ServiceGroupsMgmtClientConfiguration:  # pylint: disable=too-many-instance
      None.
     :type cloud_setting: ~azure.core.AzureClouds
     :keyword api_version: The API version to use for this operation. Known values are
-     "2024-02-01-preview". Default value is "2024-02-01-preview". Note that overriding this default
-     value may result in unsupported behavior.
+     "2024-02-01-preview" and None. Default value is None. If not set, the operation's default API
+     version will be used. Note that overriding this default value may result in unsupported
+     behavior.
     :paramtype api_version: str
     """
 
diff --git a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/aio/_patch.py b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/aio/_patch.py
index 87676c65a8f0..ea765788358a 100644
--- a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/aio/_patch.py
+++ b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/aio/_patch.py
@@ -8,7 +8,6 @@
 Follow our quickstart for examples: https://aka.ms/azsdk/python/dpcodegen/python/customize
 """
 
-
 __all__: list[str] = []  # Add all objects you want publicly available to users at this package level
 
 
diff --git a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/aio/operations/_patch.py b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/aio/operations/_patch.py
index 87676c65a8f0..ea765788358a 100644
--- a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/aio/operations/_patch.py
+++ b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/aio/operations/_patch.py
@@ -8,7 +8,6 @@
 Follow our quickstart for examples: https://aka.ms/azsdk/python/dpcodegen/python/customize
 """
 
-
 __all__: list[str] = []  # Add all objects you want publicly available to users at this package level
 
 
diff --git a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/models/_patch.py b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/models/_patch.py
index 87676c65a8f0..ea765788358a 100644
--- a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/models/_patch.py
+++ b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/models/_patch.py
@@ -8,7 +8,6 @@
 Follow our quickstart for examples: https://aka.ms/azsdk/python/dpcodegen/python/customize
 """
 
-
 __all__: list[str] = []  # Add all objects you want publicly available to users at this package level
 
 
diff --git a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/operations/_patch.py b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/operations/_patch.py
index 87676c65a8f0..ea765788358a 100644
--- a/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/operations/_patch.py
+++ b/sdk/servicegroups/azure-mgmt-servicegroups/azure/mgmt/servicegroups/operations/_patch.py
@@ -8,7 +8,6 @@
 Follow our quickstart for examples: https://aka.ms/azsdk/python/dpcodegen/python/customize
 """
 
-
 __all__: list[str] = []  # Add all objects you want publicly available to users at this package level
 
 
diff --git a/sdk/servicegroups/azure-mgmt-servicegroups/pyproject.toml b/sdk/servicegroups/azure-mgmt-servicegroups/pyproject.toml
index 4c3a437b9e55..3fd62875e6fa 100644
--- a/sdk/servicegroups/azure-mgmt-servicegroups/pyproject.toml
+++ b/sdk/servicegroups/azure-mgmt-servicegroups/pyproject.toml
@@ -17,13 +17,12 @@ classifiers = [
     "Programming Language :: Python",
     "Programming Language :: Python :: 3 :: Only",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 keywords = [
     "azure",
     "azure sdk",
diff --git a/sdk/servicegroups/azure-mgmt-servicegroups/tsp-location.yaml b/sdk/servicegroups/azure-mgmt-servicegroups/tsp-location.yaml
index 5be3a9bd3bff..68b0e419c7fe 100644
--- a/sdk/servicegroups/azure-mgmt-servicegroups/tsp-location.yaml
+++ b/sdk/servicegroups/azure-mgmt-servicegroups/tsp-location.yaml
@@ -1,4 +1,4 @@
 directory: specification/management/resource-manager/Microsoft.Management/ServiceGroups
-commit: 75b0c9a8539f7c64386ff6ff10cb6c75711bdefc
+commit: 6d50d64d3eeca46ecf1b4af80e9994bac920a7d0
 repo: Azure/azure-rest-api-specs
 additionalDirectories: