chore(main): release 2.19.1

Author: release-please[bot]

CHANGELOG.md

@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/bigframes/#history
 
+## [2.19.1](https://github.com/googleapis/python-bigquery-dataframes/compare/v2.19.0...v2.19.1) (2025-09-10)
+
+
+### Performance Improvements
+
+* Avoid re-authenticating if credentials have already been fetched ([#2058](https://github.com/googleapis/python-bigquery-dataframes/issues/2058)) ([913de1b](https://github.com/googleapis/python-bigquery-dataframes/commit/913de1b31f3bb0b306846fddae5dcaff6be3cec4))
+
 ## [2.19.0](https://github.com/googleapis/python-bigquery-dataframes/compare/v2.18.0...v2.19.0) (2025-09-09)
 
 

bigframes/version.py

@@ -12,8 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "2.19.0"
+__version__ = "2.19.1"
 
 # {x-release-please-start-date}
-__release_date__ = "2025-09-09"
+__release_date__ = "2025-09-10"
 # {x-release-please-end}

third_party/bigframes_vendored/version.py

@@ -12,8 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "2.19.0"
+__version__ = "2.19.1"
 
 # {x-release-please-start-date}
-__release_date__ = "2025-09-09"
+__release_date__ = "2025-09-10"
 # {x-release-please-end}