chore: librarian release pull request: 20260213T101303Z (#1497)

PR created by the Librarian CLI to initialize a release. Merging this PR
will auto trigger a release.

Librarian Version: v1.0.0
Language Image:
us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/python-librarian-generator@sha256:b8058df4c45e9a6e07f6b4d65b458d0d059241dd34c814f151c8bf6b89211209
<details><summary>google-cloud-spanner: 3.63.0</summary>

##
[3.63.0](v3.62.0...v3.63.0)
(2026-02-13)

### Features

* add requestID info in error exceptions (#1415)
([2c5eb96](2c5eb96c))

### Bug Fixes

* prevent thread leak by ensuring singleton initialization (#1492)
([e792136](e792136a))

### Documentation

* snippet for setting read lock mode (#1473)
([7e79920](7e79920c))

</details>

Author: rahul2393

.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

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/version.py

@@ -15,6 +15,6 @@
 import platform
 
 PY_VERSION = platform.python_version()
-__version__ = "3.62.0"
+__version__ = "3.63.0"
 VERSION = __version__
 DEFAULT_USER_AGENT = "gl-dbapi/" + VERSION

google/cloud/spanner_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}

samples/generated_samples/snippet_metadata_google.spanner.admin.database.v1.json

@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-spanner-admin-database",
-    "version": "3.62.0"
+    "version": "3.63.0"
   },
   "snippets": [
     {

samples/generated_samples/snippet_metadata_google.spanner.admin.instance.v1.json

@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-spanner-admin-instance",
-    "version": "3.62.0"
+    "version": "3.63.0"
   },
   "snippets": [
     {

samples/generated_samples/snippet_metadata_google.spanner.v1.json

@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-spanner",
-    "version": "3.62.0"
+    "version": "3.63.0"
   },
   "snippets": [
     {