diff --git a/.librarian/config.yaml b/.librarian/config.yaml
index 4e6a62c4c085..8681373e5f51 100644
--- a/.librarian/config.yaml
+++ b/.librarian/config.yaml
@@ -14,8 +14,8 @@ libraries:
     release_blocked: true
 # TODO(https://github.com/googleapis/google-cloud-python/issues/16487):
 # Allow releases for google-cloud-storage once this bug is fixed.
-  - id: "google-cloud-storage"
-    release_blocked: true
+#  - id: "google-cloud-storage"
+#    release_blocked: true
 # TODO(https://github.com/googleapis/google-cloud-python/issues/16494):
 # Allow generation for google-cloud-bigtable once this bug is fixed.
   - id: "google-cloud-bigtable"
diff --git a/.librarian/state.yaml b/.librarian/state.yaml
index bd39d2a7c0a4..b8e1fffabe80 100644
--- a/.librarian/state.yaml
+++ b/.librarian/state.yaml
@@ -268,7 +268,7 @@ libraries:
       - packages/google-area120-tables/
     tag_format: '{id}-v{version}'
   - id: google-auth
-    version: 2.49.1
+    version: 2.49.2
     last_generated_commit: ""
     apis: []
     source_roots:
@@ -2141,7 +2141,7 @@ libraries:
       - packages/google-cloud-iam-logging/
     tag_format: '{id}-v{version}'
   - id: google-cloud-iamconnectorcredentials
-    version: 0.0.0
+    version: 0.1.0
     last_generated_commit: 13b86d1d083c314bf51e42c19f9f6ed941e0553b
     apis:
       - path: google/cloud/iamconnectorcredentials/v1alpha
@@ -3366,8 +3366,8 @@ libraries:
       - packages/google-cloud-speech/
     tag_format: '{id}-v{version}'
   - id: google-cloud-storage
-    version: 3.10.1
-    last_generated_commit: 280bed6c219637610d09cebf696958dd99fd2f76
+    version: 3.11.0
+    last_generated_commit: 2233f63baf69c2a481f30180045fcf036242781d
     apis:
       - path: google/storage/v2
         service_config: storage_v2.yaml
diff --git a/packages/google-auth/CHANGELOG.md b/packages/google-auth/CHANGELOG.md
index 8922fd9d3d67..b7754b49da6d 100644
--- a/packages/google-auth/CHANGELOG.md
+++ b/packages/google-auth/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-auth/#history
 
+## [2.49.2](https://github.com/googleapis/google-cloud-python/compare/google-auth-v2.49.1...google-auth-v2.49.2) (2026-04-08)
+
+
+### Bug Fixes
+
+* use requests transport for GCE MDS (#16480) ([614a3d0472d118c78b3b0accf0de0b7cdf3b9e91](https://github.com/googleapis/google-cloud-python/commit/614a3d0472d118c78b3b0accf0de0b7cdf3b9e91))
+
 ## [2.49.1](https://github.com/googleapis/google-cloud-python/compare/google-auth-v2.49.0...google-auth-v2.49.1) (2026-03-12)
 
 
diff --git a/packages/google-auth/google/auth/version.py b/packages/google-auth/google/auth/version.py
index 40086c73d56c..12855365e682 100644
--- a/packages/google-auth/google/auth/version.py
+++ b/packages/google-auth/google/auth/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "2.49.1"
+__version__ = "2.49.2"
diff --git a/packages/google-cloud-iamconnectorcredentials/CHANGELOG.md b/packages/google-cloud-iamconnectorcredentials/CHANGELOG.md
index 485ac32d3dcc..fd648811eb8c 100644
--- a/packages/google-cloud-iamconnectorcredentials/CHANGELOG.md
+++ b/packages/google-cloud-iamconnectorcredentials/CHANGELOG.md
@@ -3,3 +3,10 @@
 [PyPI History][1]
 
 [1]: https://pypi.org/project/google-cloud-iamconnectorcredentials/#history
+
+## [0.1.0](https://github.com/googleapis/google-cloud-python/compare/google-cloud-iamconnectorcredentials-v0.0.0...google-cloud-iamconnectorcredentials-v0.1.0) (2026-04-08)
+
+
+### Features
+
+* onboard a new library ([2a3458c8d0d6bb85236cd744baecbe559fb1daf5](https://github.com/googleapis/google-cloud-python/commit/2a3458c8d0d6bb85236cd744baecbe559fb1daf5))
diff --git a/packages/google-cloud-iamconnectorcredentials/docs/CHANGELOG.md b/packages/google-cloud-iamconnectorcredentials/docs/CHANGELOG.md
index 485ac32d3dcc..fd648811eb8c 100644
--- a/packages/google-cloud-iamconnectorcredentials/docs/CHANGELOG.md
+++ b/packages/google-cloud-iamconnectorcredentials/docs/CHANGELOG.md
@@ -3,3 +3,10 @@
 [PyPI History][1]
 
 [1]: https://pypi.org/project/google-cloud-iamconnectorcredentials/#history
+
+## [0.1.0](https://github.com/googleapis/google-cloud-python/compare/google-cloud-iamconnectorcredentials-v0.0.0...google-cloud-iamconnectorcredentials-v0.1.0) (2026-04-08)
+
+
+### Features
+
+* onboard a new library ([2a3458c8d0d6bb85236cd744baecbe559fb1daf5](https://github.com/googleapis/google-cloud-python/commit/2a3458c8d0d6bb85236cd744baecbe559fb1daf5))
diff --git a/packages/google-cloud-iamconnectorcredentials/google/cloud/iamconnectorcredentials/gapic_version.py b/packages/google-cloud-iamconnectorcredentials/google/cloud/iamconnectorcredentials/gapic_version.py
index 20a9cd975b02..ce52f107f367 100644
--- a/packages/google-cloud-iamconnectorcredentials/google/cloud/iamconnectorcredentials/gapic_version.py
+++ b/packages/google-cloud-iamconnectorcredentials/google/cloud/iamconnectorcredentials/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "0.0.0"  # {x-release-please-version}
+__version__ = "0.1.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-iamconnectorcredentials/google/cloud/iamconnectorcredentials_v1alpha/gapic_version.py b/packages/google-cloud-iamconnectorcredentials/google/cloud/iamconnectorcredentials_v1alpha/gapic_version.py
index 20a9cd975b02..ce52f107f367 100644
--- a/packages/google-cloud-iamconnectorcredentials/google/cloud/iamconnectorcredentials_v1alpha/gapic_version.py
+++ b/packages/google-cloud-iamconnectorcredentials/google/cloud/iamconnectorcredentials_v1alpha/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "0.0.0"  # {x-release-please-version}
+__version__ = "0.1.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-iamconnectorcredentials/samples/generated_samples/snippet_metadata_google.cloud.iamconnectorcredentials.v1alpha.json b/packages/google-cloud-iamconnectorcredentials/samples/generated_samples/snippet_metadata_google.cloud.iamconnectorcredentials.v1alpha.json
index 5458be418a71..a5b2fe7dcc6f 100644
--- a/packages/google-cloud-iamconnectorcredentials/samples/generated_samples/snippet_metadata_google.cloud.iamconnectorcredentials.v1alpha.json
+++ b/packages/google-cloud-iamconnectorcredentials/samples/generated_samples/snippet_metadata_google.cloud.iamconnectorcredentials.v1alpha.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-iamconnectorcredentials",
-    "version": "0.0.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {
diff --git a/packages/google-cloud-storage/CHANGELOG.md b/packages/google-cloud-storage/CHANGELOG.md
index b2c6ade30168..4a37d6823daa 100644
--- a/packages/google-cloud-storage/CHANGELOG.md
+++ b/packages/google-cloud-storage/CHANGELOG.md
@@ -4,6 +4,24 @@
 
 [1]: https://pypi.org/project/google-cloud-storage/#history
 
+## [3.11.0](https://github.com/googleapis/google-cloud-python/compare/google-cloud-storage-v3.10.1...google-cloud-storage-v3.11.0) (2026-04-08)
+
+
+### Documentation
+
+* Updated documentation for `BidiReadObject`, `ReadObjectRequest`, and `ObjectContexts` ([1230e1743c1aac8d810864fb09f33aafec098a7d](https://github.com/googleapis/google-cloud-python/commit/1230e1743c1aac8d810864fb09f33aafec098a7d))
+
+
+### Features
+
+* generate libraries ([796450786a565e1c2c731f88d9b12b5ee077f219](https://github.com/googleapis/google-cloud-python/commit/796450786a565e1c2c731f88d9b12b5ee077f219))
+* Added a new field `ComposeObjectRequest.delete_source_objects` field ([1230e1743c1aac8d810864fb09f33aafec098a7d](https://github.com/googleapis/google-cloud-python/commit/1230e1743c1aac8d810864fb09f33aafec098a7d))
+
+
+### Bug Fixes
+
+* updates typing for python 3.8 ([87b7ba97c95587d213a9ebe91e41cc9e5316f392](https://github.com/googleapis/google-cloud-python/commit/87b7ba97c95587d213a9ebe91e41cc9e5316f392))
+
 ## [3.10.1](https://github.com/googleapis/python-storage/compare/v3.10.0...v3.10.1) (2026-03-23)
 
 
diff --git a/packages/google-cloud-storage/google/cloud/_storage/gapic_version.py b/packages/google-cloud-storage/google/cloud/_storage/gapic_version.py
index 3ffdfeb9eaa8..5cb6bc061bd2 100644
--- a/packages/google-cloud-storage/google/cloud/_storage/gapic_version.py
+++ b/packages/google-cloud-storage/google/cloud/_storage/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "3.10.1"  # {x-release-please-version}
+__version__ = "3.11.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-storage/google/cloud/_storage_v2/gapic_version.py b/packages/google-cloud-storage/google/cloud/_storage_v2/gapic_version.py
index 3ffdfeb9eaa8..5cb6bc061bd2 100644
--- a/packages/google-cloud-storage/google/cloud/_storage_v2/gapic_version.py
+++ b/packages/google-cloud-storage/google/cloud/_storage_v2/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "3.10.1"  # {x-release-please-version}
+__version__ = "3.11.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-storage/google/cloud/_storage_v2/types/storage.py b/packages/google-cloud-storage/google/cloud/_storage_v2/types/storage.py
index 8d326c0936f7..f5678132c6bc 100644
--- a/packages/google-cloud-storage/google/cloud/_storage_v2/types/storage.py
+++ b/packages/google-cloud-storage/google/cloud/_storage_v2/types/storage.py
@@ -1798,6 +1798,9 @@ class WriteObjectResponse(proto.Message):
             finalized.
 
             This field is a member of `oneof`_ ``write_status``.
+        persisted_data_checksums (google.cloud._storage_v2.types.ObjectChecksums):
+            If persisted_size is set, contains checksums of persisted
+            data.
     """
 
     persisted_size: int = proto.Field(
@@ -1811,6 +1814,11 @@ class WriteObjectResponse(proto.Message):
         oneof="write_status",
         message="Object",
     )
+    persisted_data_checksums: "ObjectChecksums" = proto.Field(
+        proto.MESSAGE,
+        number=3,
+        message="ObjectChecksums",
+    )
 
 
 class AppendObjectSpec(proto.Message):
@@ -1950,8 +1958,9 @@ class BidiWriteObjectRequest(proto.Message):
         object_checksums (google.cloud._storage_v2.types.ObjectChecksums):
             Optional. Checksums for the complete object. If the
             checksums computed by the service don't match the specified
-            checksums the call fails. Might only be provided in the
-            first request or the last request (with finish_write set).
+            checksums the call fails. May be provided in the last
+            request (with finish_write set). For non-appendable objects
+            only, may also be provided in the first request.
         state_lookup (bool):
             Optional. For each ``BidiWriteObjectRequest`` where
             ``state_lookup`` is ``true`` or the client closes the
@@ -2058,6 +2067,9 @@ class BidiWriteObjectResponse(proto.Message):
             finalized.
 
             This field is a member of `oneof`_ ``write_status``.
+        persisted_data_checksums (google.cloud._storage_v2.types.ObjectChecksums):
+            If persisted_size is set, contains checksums of persisted
+            data.
         write_handle (google.cloud._storage_v2.types.BidiWriteHandle):
             An optional write handle that is returned
             periodically in response messages. Clients
@@ -2078,6 +2090,11 @@ class BidiWriteObjectResponse(proto.Message):
         oneof="write_status",
         message="Object",
     )
+    persisted_data_checksums: "ObjectChecksums" = proto.Field(
+        proto.MESSAGE,
+        number=4,
+        message="ObjectChecksums",
+    )
     write_handle: "BidiWriteHandle" = proto.Field(
         proto.MESSAGE,
         number=3,
@@ -2276,6 +2293,9 @@ class QueryWriteStatusResponse(proto.Message):
             finalized.
 
             This field is a member of `oneof`_ ``write_status``.
+        persisted_data_checksums (google.cloud._storage_v2.types.ObjectChecksums):
+            If persisted_size is set, contains checksums of persisted
+            data.
     """
 
     persisted_size: int = proto.Field(
@@ -2289,6 +2309,11 @@ class QueryWriteStatusResponse(proto.Message):
         oneof="write_status",
         message="Object",
     )
+    persisted_data_checksums: "ObjectChecksums" = proto.Field(
+        proto.MESSAGE,
+        number=3,
+        message="ObjectChecksums",
+    )
 
 
 class RewriteObjectRequest(proto.Message):
diff --git a/packages/google-cloud-storage/google/cloud/storage/version.py b/packages/google-cloud-storage/google/cloud/storage/version.py
index 8afb5b22c7a9..0e93e961e552 100644
--- a/packages/google-cloud-storage/google/cloud/storage/version.py
+++ b/packages/google-cloud-storage/google/cloud/storage/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "3.10.1"
+__version__ = "3.11.0"
diff --git a/packages/google-cloud-storage/samples/generated_samples/snippet_metadata_google.storage.v2.json b/packages/google-cloud-storage/samples/generated_samples/snippet_metadata_google.storage.v2.json
index dba3a75b229c..1fdc86ae171a 100644
--- a/packages/google-cloud-storage/samples/generated_samples/snippet_metadata_google.storage.v2.json
+++ b/packages/google-cloud-storage/samples/generated_samples/snippet_metadata_google.storage.v2.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-storage",
-    "version": "3.10.1"
+    "version": "3.11.0"
   },
   "snippets": [
     {