Fix release endpoint environment passing

src/sentry/api/endpoints/organization_releases.py

@@ -127,7 +127,7 @@ def _filter_releases_by_query(queryset, organization, query, filter_params):
             elif value_o == "latest":
                 latest_releases = get_latest_release(
                     projects=filter_params["project_id"],
-                    environments=filter_params.get("environment"),
+                    environments=filter_params.get("environment_objects"),
                     organization_id=organization.id,
                 )
                 query_q = Q(version__in=latest_releases)

tests/sentry/api/endpoints/test_organization_releases.py

@@ -396,6 +396,32 @@ def test_latest_release_filter(self) -> None:
             ],
         )
 
+    def test_latest_release_filter_with_environment(self) -> None:
+        self.login_as(user=self.user)
+
+        project = self.create_project(teams=[self.team], organization=self.organization)
+        environment = self.create_environment(name="production", project=project)
+        older_release = self.create_release(version="1.0.0", project=project)
+        latest_release = self.create_release(version="2.0.0", project=project)
+        ReleaseProjectEnvironment.objects.create(
+            project_id=project.id,
+            release_id=older_release.id,
+            environment_id=environment.id,
+        )
+        ReleaseProjectEnvironment.objects.create(
+            project_id=project.id,
+            release_id=latest_release.id,
+            environment_id=environment.id,
+        )
+
+        response = self.get_success_response(
+            self.organization.slug,
+            query=f"{RELEASE_ALIAS}:latest",
+            environment=environment.name,
+        )
+
+        self.assert_expected_versions(response, [latest_release])
+
     def test_query_filter_suffix(self) -> None:
         user = self.create_user(is_staff=False, is_superuser=False)
         org = self.organization