From 9f2da1b2fd81d8806911046a2b496a1c415cf216 Mon Sep 17 00:00:00 2001
From: BigQuery DataFrames <144143616+bigframes-bot@users.noreply.github.com>
Date: Mon, 5 Oct 2026 13:30:58 -0500
Subject: [PATCH] chore(main): release 2.50.0

---
 .release-please-manifest.json             |  2 +-
 CHANGELOG.md                              | 37 +++++++++++++++++++++++
 bigframes/version.py                      |  4 +--
 third_party/bigframes_vendored/version.py |  4 +--
 4 files changed, 42 insertions(+), 5 deletions(-)

diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 91934e0927..c2be6d041b 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "2.49.0"
+  ".": "2.50.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5b72ae343a..d57397d532 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,43 @@
 
 [1]: https://pypi.org/project/bigframes/#history
 
+## [2.50.0](https://github.com/google/bigframes/compare/v2.49.0...v2.50.0) (2026-10-05)
+
+
+### Features
+
+* add `DataFrame.bigquery.ai.evaluate` accessor ([df96c47](https://github.com/google/bigframes/commit/df96c47749c7b20f2c65fe228136d8841682b9c0))
+* add bigquery.ml.arima_coefficients function. ([e6076aa](https://github.com/google/bigframes/commit/e6076aa23f81fdb86e8bdc173a54766f80147e9f))
+* add bigquery.ml.arima_evaluate function. ([2849013](https://github.com/google/bigframes/commit/28490136ef3ce913489c264fd2ff870bdc97a306))
+* add bigquery.ml.explain_forecast function ([305cb55](https://github.com/google/bigframes/commit/305cb5579ca4348462360f276f123d969b7e2495))
+* add bigquery.ml.forecast function ([791e40a](https://github.com/google/bigframes/commit/791e40a4ecb148a769ef8839f1ad6bc7b269ce90))
+* add bigquery.ml.recommend function ([5223eb4](https://github.com/google/bigframes/commit/5223eb4927b068b39ad2aad437e7e2b0036f3724))
+* implement ai.predict() ([19bf773](https://github.com/google/bigframes/commit/19bf773cd6b0f4b950b0c2fc1ca4b9aa96867ef2))
+* support `bigframes.bigquery.ai.evaluate` (`AI.EVALUATE`) ([5aca1ed](https://github.com/google/bigframes/commit/5aca1ed77c817ab8b7b82d9269fe85737bb5cfa1))
+* support fill_value parameter on DataFrame.unstack() and Series.unstack() ([6b49556](https://github.com/google/bigframes/commit/6b495568164cc33a1993977cfca9ccaa03a9804e))
+* support indicator parameter on DataFrame.merge() and bpd.merge() ([a1b243c](https://github.com/google/bigframes/commit/a1b243c2595b9a7f3ef8ed5c1e0e8e9a5f381a43))
+
+
+### Bug Fixes
+
+* avoid installing prerelease dependencies in regular system tests ([402f180](https://github.com/google/bigframes/commit/402f180dd4fd34e7cf7a92575d20593a61fe9a1b))
+* Make SQLGlot properly handle JSON fields backed by strings ([3e333af](https://github.com/google/bigframes/commit/3e333af1da7c83b0ffef8456e6fda0658ac7ae38))
+
+
+### Documentation
+
+* add a requirements-docs.txt to fix the readthedocs build ([df6405d](https://github.com/google/bigframes/commit/df6405ddb1784836fc85019b49eadb6af610ccfe))
+* add Open in Colab Enterprise badge to remaining notebooks ([5ae4375](https://github.com/google/bigframes/commit/5ae437543bfed3e55109009b2d7c6040981d7da1))
+* add series AI accessor to the doc site ([034ea50](https://github.com/google/bigframes/commit/034ea507835f6cfe05b4aa509efd3cbadcfe591a))
+* deploy to readthedocs as an "unoffical" mirror ([251c60e](https://github.com/google/bigframes/commit/251c60ed1a602aab27a1c7ae6ec468e21752ecaa))
+* enhance repository introduction page in README.rst ([2ba6788](https://github.com/google/bigframes/commit/2ba678895e04918bf8e96567a5a594735e02b650))
+* expand landing page with sample notebooks ([52469d0](https://github.com/google/bigframes/commit/52469d0a6ecba4a8d204ca8b05b3a92d38e89fc3))
+* fix notebook header links and replace tree with blob ([75fce7d](https://github.com/google/bigframes/commit/75fce7dbf458a26a754fb02999a886b8cf352c4c))
+* migrate BigQuery DataFrames samples from python-docs-samples ([f617771](https://github.com/google/bigframes/commit/f617771f4706d6dbe44633582e9b466ee2d2ace2))
+* replace broken Open in Vertex AI Workbench links with Colab Enterprise ([bd138c5](https://github.com/google/bigframes/commit/bd138c50b000f00cdfff1f34fa11258a99fd66a1))
+* update imported ONNX and TensorFlow model snippets to use the bigframes.bigquery.ml module and partial ordering. ([707c097](https://github.com/google/bigframes/commit/707c09705d2e7874a9989240c2e4aae651a0c035))
+* update repo location to google/bigframes ([63defc9](https://github.com/google/bigframes/commit/63defc919b58259574aca2e021d9292bd58cdafb))
+
 ## [2.49.0](https://github.com/google/bigframes/compare/v2.48.0...v2.49.0) (2026-09-09)
 
 
diff --git a/bigframes/version.py b/bigframes/version.py
index 8494f00da7..2c4fab135c 100644
--- a/bigframes/version.py
+++ b/bigframes/version.py
@@ -12,8 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "2.49.0"
+__version__ = "2.50.0"
 
 # {x-release-please-start-date}
-__release_date__ = "2026-09-09"
+__release_date__ = "2026-10-05"
 # {x-release-please-end}
diff --git a/third_party/bigframes_vendored/version.py b/third_party/bigframes_vendored/version.py
index 8494f00da7..2c4fab135c 100644
--- a/third_party/bigframes_vendored/version.py
+++ b/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__ = "2.49.0"
+__version__ = "2.50.0"
 
 # {x-release-please-start-date}
-__release_date__ = "2026-09-09"
+__release_date__ = "2026-10-05"
 # {x-release-please-end}