chore(main): release sqlalchemy-spanner 1.21.0

Author: release-please[bot]

.release-please-individual-manifest.json

@@ -8,6 +8,6 @@
   "packages/google-cloud-workloadidentity": "0.1.0",
   "packages/google-crc32c": "1.9.0",
   "packages/google-shopping-merchant-loyaltycustomers": "0.1.1",
-  "packages/sqlalchemy-spanner": "1.20.1",
+  "packages/sqlalchemy-spanner": "1.21.0",
   "preview-packages/google-cloud-compute": "1.56.0-preview.1"
 }

librarian.yaml

@@ -2677,6 +2677,6 @@ libraries:
     python:
       library_type: INTEGRATION
   - name: sqlalchemy-spanner
-    version: 1.20.1
+    version: 1.21.0
     python:
       library_type: INTEGRATION

packages/sqlalchemy-spanner/CHANGELOG.md

@@ -4,6 +4,20 @@
 
 [1]: https://pypi.org/project/sqlalchemy-spanner/#history
 
+## [1.21.0](https://github.com/googleapis/google-cloud-python/compare/sqlalchemy-spanner-v1.20.1...sqlalchemy-spanner-v1.21.0) (2026-10-14)
+
+
+### Features
+
+* **sqlalchemy-spanner:** wire timeout execution option through to DBAPI Cursor.timeout ([#18485](https://github.com/googleapis/google-cloud-python/issues/18485)) ([1de2e3f](https://github.com/googleapis/google-cloud-python/commit/1de2e3f0831fa0b24b2a458956b3d96739bd191c))
+
+
+### Bug Fixes
+
+* repair broken and stale repository URLs in package metadata ([#18498](https://github.com/googleapis/google-cloud-python/issues/18498)) ([54dbd12](https://github.com/googleapis/google-cloud-python/commit/54dbd12056abcfc007b5b76006751c3b11bea99f)), refs [#18497](https://github.com/googleapis/google-cloud-python/issues/18497)
+* **sqlalchemy-spanner:** isolate literal round trip test tables with unique naming and teardown ([#18623](https://github.com/googleapis/google-cloud-python/issues/18623)) ([75cdf3b](https://github.com/googleapis/google-cloud-python/commit/75cdf3bcef819b9b68055e6e0abc2f7dd486df09))
+* **sqlalchemy-spanner:** resolve compliance and migration failures with Alembic 1.20 and SQLAlchemy 2.1 ([#18570](https://github.com/googleapis/google-cloud-python/issues/18570)) ([873ef99](https://github.com/googleapis/google-cloud-python/commit/873ef9980dee9cd518733dec164f4ae42d25afbe))
+
 ## [1.20.1](https://github.com/googleapis/google-cloud-python/compare/sqlalchemy-spanner-v1.20.0...sqlalchemy-spanner-v1.20.1) (2026-09-03)
 
 

packages/sqlalchemy-spanner/google/cloud/sqlalchemy_spanner/version.py

@@ -4,4 +4,4 @@
 # license that can be found in the LICENSE file or at
 # https://developers.google.com/open-source/licenses/bsd
 
-__version__ = "1.20.1"
+__version__ = "1.21.0"