diff --git a/.release-please-individual-manifest.json b/.release-please-individual-manifest.json
index 8127c16113b9..8fec4b624972 100644
--- a/.release-please-individual-manifest.json
+++ b/.release-please-individual-manifest.json
@@ -5,7 +5,7 @@
   "packages/google-auth": "2.62.0",
   "packages/google-cloud-bigquery": "3.46.2",
   "packages/google-cloud-bigquery-storage": "2.43.0",
-  "packages/google-cloud-bigtable": "2.50.2",
+  "packages/google-cloud-bigtable": "2.50.3",
   "packages/google-cloud-compute": "1.56.0",
   "packages/google-cloud-datastore": "2.27.0",
   "packages/google-cloud-firestore": "2.34.1",
diff --git a/librarian.yaml b/librarian.yaml
index 1bbc9383ad74..7ac574f5f3b8 100644
--- a/librarian.yaml
+++ b/librarian.yaml
@@ -664,7 +664,7 @@ libraries:
       metadata_name_override: bigquerystorage
       default_version: v1
   - name: google-cloud-bigtable
-    version: 2.50.2
+    version: 2.50.3
     apis:
       - path: google/bigtable/v2
       - path: google/bigtable/admin/v2
diff --git a/packages/google-cloud-bigtable/CHANGELOG.md b/packages/google-cloud-bigtable/CHANGELOG.md
index 4507466f7362..8538aab5edac 100644
--- a/packages/google-cloud-bigtable/CHANGELOG.md
+++ b/packages/google-cloud-bigtable/CHANGELOG.md
@@ -4,6 +4,18 @@
 
 [1]: https://pypi.org/project/google-cloud-bigtable/#history
 
+## [2.50.3](https://github.com/googleapis/google-cloud-python/compare/google-cloud-bigtable-v2.50.2...google-cloud-bigtable-v2.50.3) (2026-10-23)
+
+
+### Bug Fixes
+
+* **bigtable:** synchronize MutationsBatcher staging and flush scheduling ([#18827](https://github.com/googleapis/google-cloud-python/issues/18827)) ([38afa8a](https://github.com/googleapis/google-cloud-python/commit/38afa8ad35ebcfa64462dc5a8238a23f63ead4c0))
+
+
+### Documentation
+
+* **bigtable:** clarify that MutationsBatcher.flush defers exceptions to close ([#18825](https://github.com/googleapis/google-cloud-python/issues/18825)) ([371218d](https://github.com/googleapis/google-cloud-python/commit/371218dcd26981159ae9df2962da812a3bf204f1))
+
 ## [2.50.2](https://github.com/googleapis/google-cloud-python/compare/google-cloud-bigtable-v2.50.1...google-cloud-bigtable-v2.50.2) (2026-10-22)
 
 
diff --git a/packages/google-cloud-bigtable/google/cloud/bigtable/gapic_version.py b/packages/google-cloud-bigtable/google/cloud/bigtable/gapic_version.py
index 16ab1acf3079..aaca7497620c 100644
--- a/packages/google-cloud-bigtable/google/cloud/bigtable/gapic_version.py
+++ b/packages/google-cloud-bigtable/google/cloud/bigtable/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.50.2"  # {x-release-please-version}
+__version__ = "2.50.3"  # {x-release-please-version}
diff --git a/packages/google-cloud-bigtable/google/cloud/bigtable_admin/gapic_version.py b/packages/google-cloud-bigtable/google/cloud/bigtable_admin/gapic_version.py
index 16ab1acf3079..aaca7497620c 100644
--- a/packages/google-cloud-bigtable/google/cloud/bigtable_admin/gapic_version.py
+++ b/packages/google-cloud-bigtable/google/cloud/bigtable_admin/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.50.2"  # {x-release-please-version}
+__version__ = "2.50.3"  # {x-release-please-version}
diff --git a/packages/google-cloud-bigtable/google/cloud/bigtable_admin_v2/gapic_version.py b/packages/google-cloud-bigtable/google/cloud/bigtable_admin_v2/gapic_version.py
index 16ab1acf3079..aaca7497620c 100644
--- a/packages/google-cloud-bigtable/google/cloud/bigtable_admin_v2/gapic_version.py
+++ b/packages/google-cloud-bigtable/google/cloud/bigtable_admin_v2/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.50.2"  # {x-release-please-version}
+__version__ = "2.50.3"  # {x-release-please-version}
diff --git a/packages/google-cloud-bigtable/google/cloud/bigtable_v2/gapic_version.py b/packages/google-cloud-bigtable/google/cloud/bigtable_v2/gapic_version.py
index 16ab1acf3079..aaca7497620c 100644
--- a/packages/google-cloud-bigtable/google/cloud/bigtable_v2/gapic_version.py
+++ b/packages/google-cloud-bigtable/google/cloud/bigtable_v2/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.50.2"  # {x-release-please-version}
+__version__ = "2.50.3"  # {x-release-please-version}
diff --git a/packages/google-cloud-bigtable/samples/generated_samples/snippet_metadata_google.bigtable.admin.v2.json b/packages/google-cloud-bigtable/samples/generated_samples/snippet_metadata_google.bigtable.admin.v2.json
index 49cac07ed40a..7e19dabb5d7b 100644
--- a/packages/google-cloud-bigtable/samples/generated_samples/snippet_metadata_google.bigtable.admin.v2.json
+++ b/packages/google-cloud-bigtable/samples/generated_samples/snippet_metadata_google.bigtable.admin.v2.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-bigtable",
-    "version": "2.50.2"
+    "version": "2.50.3"
   },
   "snippets": [
     {