merge remote/main into fix/test-failures and resolve conflicts

Author: aseering

.github/CODEOWNERS

@@ -5,8 +5,8 @@
 # https://help.github.com/en/github/creating-cloning-and-archiving-repositories/about-code-owners#codeowners-syntax
 # Note: This file is autogenerated. To make changes to the codeowner team, please update .repo-metadata.json.
 
-# @googleapis/yoshi-python @googleapis/spanner-client-libraries-python are the default owners for changes in this repo
-*     @googleapis/yoshi-python @googleapis/spanner-client-libraries-python
+# @googleapis/cloud-sdk-python-team @googleapis/spanner-team are the default owners for changes in this repo
+*     @googleapis/cloud-sdk-python-team @googleapis/spanner-team
 
-# @googleapis/python-samples-reviewers @googleapis/spanner-client-libraries-python are the default owners for samples changes
-/samples/   @googleapis/python-samples-reviewers @googleapis/spanner-client-libraries-python
+# @googleapis/python-samples-reviewers @googleapis/spanner-team are the default owners for samples changes
+/samples/   @googleapis/python-samples-reviewers @googleapis/spanner-team

.github/blunderbuss.yml

@@ -4,14 +4,14 @@
 # Note: This file is autogenerated. To make changes to the assignee
 # team, please update `codeowner_team` in `.repo-metadata.json`.
 assign_issues:
-  - googleapis/spanner-client-libraries-python
+  - googleapis/spanner-team
 
 assign_issues_by:
   - labels:
       - "samples"
     to:
       - googleapis/python-samples-reviewers
-      - googleapis/spanner-client-libraries-python
+      - googleapis/spanner-team
 
 assign_prs:
-  - googleapis/spanner-client-libraries-python
+  - googleapis/spanner-team

.kokoro/presubmit/presubmit.cfg

@@ -3,5 +3,5 @@
 # Only run a subset of all nox sessions
 env_vars: {
     key: "NOX_SESSION"
-    value: "unit-3.12 cover docs docfx"
+    value: "unit-3.10 unit-3.12 cover docs docfx"
 }

.librarian/generator-input/.repo-metadata.json

@@ -12,7 +12,7 @@
     "api_id": "spanner.googleapis.com",
     "requires_billing": true,
     "default_version": "v1",
-    "codeowner_team": "@googleapis/spanner-client-libraries-python",
+    "codeowner_team": "@googleapis/spanner-team",
     "api_shortname": "spanner",
     "api_description": "is a fully managed, mission-critical, \nrelational database service that offers transactional consistency at global scale, \nschemas, SQL (ANSI 2011 with extensions), and automatic, synchronous replication \nfor high availability.\n\nBe sure to activate the Cloud Spanner API on the Developer's Console to\nuse Cloud Spanner from your project."
 }

.librarian/state.yaml

@@ -1,7 +1,7 @@
 image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/python-librarian-generator@sha256:b8058df4c45e9a6e07f6b4d65b458d0d059241dd34c814f151c8bf6b89211209
 libraries:
   - id: google-cloud-spanner
-    version: 3.62.0
+    version: 3.63.0
     last_generated_commit: a17b84add8318f780fcc8a027815d5fee644b9f7
     apis:
       - path: google/spanner/admin/instance/v1

.repo-metadata.json

@@ -12,7 +12,7 @@
     "api_id": "spanner.googleapis.com",
     "requires_billing": true,
     "default_version": "v1",
-    "codeowner_team": "@googleapis/spanner-client-libraries-python",
+    "codeowner_team": "@googleapis/spanner-team",
     "api_shortname": "spanner",
     "api_description": "is a fully managed, mission-critical, \nrelational database service that offers transactional consistency at global scale, \nschemas, SQL (ANSI 2011 with extensions), and automatic, synchronous replication \nfor high availability.\n\nBe sure to activate the Cloud Spanner API on the Developer's Console to\nuse Cloud Spanner from your project."
 }

CHANGELOG.md

@@ -4,6 +4,23 @@
 
 [1]: https://pypi.org/project/google-cloud-spanner/#history
 
+## [3.63.0](https://github.com/googleapis/python-spanner/compare/v3.62.0...v3.63.0) (2026-02-13)
+
+
+### Documentation
+
+* snippet for setting read lock mode (#1473) ([7e79920cfc8be76261dea1348931b0ef539dd6e1](https://github.com/googleapis/python-spanner/commit/7e79920cfc8be76261dea1348931b0ef539dd6e1))
+
+
+### Features
+
+* add requestID info in error exceptions (#1415) ([2c5eb96c4b395f84b60aba1c584ff195dbce4617](https://github.com/googleapis/python-spanner/commit/2c5eb96c4b395f84b60aba1c584ff195dbce4617))
+
+
+### Bug Fixes
+
+* prevent thread leak by ensuring singleton initialization (#1492) ([e792136aa487f327736e01e34afe01cf2015f5a0](https://github.com/googleapis/python-spanner/commit/e792136aa487f327736e01e34afe01cf2015f5a0))
+
 ## [3.62.0](https://github.com/googleapis/python-spanner/compare/v3.61.0...v3.62.0) (2026-01-14)
 
 

google/cloud/spanner_admin_database_v1/gapic_version.py

@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "3.62.0"  # {x-release-please-version}
+__version__ = "3.63.0"  # {x-release-please-version}

google/cloud/spanner_admin_instance_v1/gapic_version.py

@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "3.62.0"  # {x-release-please-version}
+__version__ = "3.63.0"  # {x-release-please-version}

google/cloud/spanner_dbapi/connection.py

@@ -736,6 +736,10 @@ def connect(
     route_to_leader_enabled=True,
     database_role=None,
     experimental_host=None,
+    use_plain_text=False,
+    ca_certificate=None,
+    client_certificate=None,
+    client_key=None,
     **kwargs,
 ):
     """Creates a connection to a Google Cloud Spanner database.
@@ -789,6 +793,28 @@ def connect(
     :rtype: :class:`google.cloud.spanner_dbapi.connection.Connection`
     :returns: Connection object associated with the given Google Cloud Spanner
               resource.
+
+    :type experimental_host: str
+    :param experimental_host: (Optional) The endpoint for a spanner experimental host deployment.
+        This is intended only for experimental host spanner endpoints.
+
+    :type use_plain_text: bool
+    :param use_plain_text: (Optional) Whether to use plain text for the connection.
+        This is intended only for experimental host spanner endpoints.
+        If not set, the default behavior is to use TLS.
+
+    :type ca_certificate: str
+    :param ca_certificate: (Optional) The path to the CA certificate file used for TLS connection.
+        This is intended only for experimental host spanner endpoints.
+        This is mandatory if the experimental_host requires a TLS connection.
+    :type client_certificate: str
+    :param client_certificate: (Optional) The path to the client certificate file used for mTLS connection.
+        This is intended only for experimental host spanner endpoints.
+        This is mandatory if the experimental_host requires an mTLS connection.
+    :type client_key: str
+    :param client_key: (Optional) The path to the client key file used for mTLS connection.
+        This is intended only for experimental host spanner endpoints.
+        This is mandatory if the experimental_host requires an mTLS connection.
     """
     if client is None:
         client_info = ClientInfo(
@@ -817,6 +843,10 @@ def connect(
                 client_info=client_info,
                 route_to_leader_enabled=route_to_leader_enabled,
                 client_options=client_options,
+                use_plain_text=use_plain_text,
+                ca_certificate=ca_certificate,
+                client_certificate=client_certificate,
+                client_key=client_key,
             )
     else:
         if project is not None and client.project != project: