From c9445efaae0c62a8c648f4a8875c20cf22bf3b8a Mon Sep 17 00:00:00 2001
From: TongruiLi <tongrui1998@gmail.com>
Date: Thu, 7 May 2026 22:24:17 +0000
Subject: [PATCH 1/6] Aded portable runner to python and go runners

---
 sdks/go/pkg/beam/runners/dataflow/dataflow.go | 10 ++++--
 .../beam/runners/dataflow/dataflow_test.go    | 34 +++++++++++++++++++
 .../runners/dataflow/dataflow_runner.py       |  4 +++
 3 files changed, 46 insertions(+), 2 deletions(-)

diff --git a/sdks/go/pkg/beam/runners/dataflow/dataflow.go b/sdks/go/pkg/beam/runners/dataflow/dataflow.go
index e968911fcca1..1519cabf673e 100644
--- a/sdks/go/pkg/beam/runners/dataflow/dataflow.go
+++ b/sdks/go/pkg/beam/runners/dataflow/dataflow.go
@@ -335,7 +335,7 @@ func getJobOptions(ctx context.Context, streaming bool) (*dataflowlib.JobOptions
 	experiments := jobopts.GetExperiments()
 	// Ensure that we enable the same set of experiments across all SDKs
 	// for runner v2.
-	var fnApiSet, v2set, uwSet, portaSubmission, seSet, wsSet bool
+	var fnApiSet, v2set, uwSet, portableRunnerSet, portaSubmission, seSet, wsSet bool
 	for _, e := range experiments {
 		if strings.Contains(e, "beam_fn_api") {
 			fnApiSet = true
@@ -349,7 +349,10 @@ func getJobOptions(ctx context.Context, streaming bool) (*dataflowlib.JobOptions
 		if strings.Contains(e, "use_portable_job_submission") {
 			portaSubmission = true
 		}
-		if strings.Contains(e, "disable_runner_v2") || strings.Contains(e, "disable_runner_v2_until_2023") || strings.Contains(e, "disable_prime_runner_v2") {
+		if strings.Contains(e, "enable_portable_runner") {
+			portableRunnerSet = true
+		}
+		if strings.Contains(e, "disable_runner_v2") || strings.Contains(e, "disable_runner_v2_until_2023") || strings.Contains(e, "disable_prime_runner_v2") || strings.Contains(e, "disable_portable_runner") || strings.Contains(e, "enable_streaming_java_runner") {
 			return nil, errors.New("detected one of the following experiments: disable_runner_v2 | disable_runner_v2_until_2023 | disable_prime_runner_v2. Disabling runner v2 is no longer supported as of Beam version 2.45.0+")
 		}
 	}
@@ -366,6 +369,9 @@ func getJobOptions(ctx context.Context, streaming bool) (*dataflowlib.JobOptions
 	if !portaSubmission {
 		experiments = append(experiments, "use_portable_job_submission")
 	}
+	if !portableRunnerSet {
+		// As this option is not documented, we do not set it by default. This behavior will be fixed in later versions.
+	}
 
 	// Ensure that streaming specific experiments are set for streaming pipelines
 	// since runner v2 only supports using streaming engine.
diff --git a/sdks/go/pkg/beam/runners/dataflow/dataflow_test.go b/sdks/go/pkg/beam/runners/dataflow/dataflow_test.go
index 23dcd034120a..529ae5c087cd 100644
--- a/sdks/go/pkg/beam/runners/dataflow/dataflow_test.go
+++ b/sdks/go/pkg/beam/runners/dataflow/dataflow_test.go
@@ -244,6 +244,40 @@ func TestGetJobOptions_DisableRunnerV2ExperimentsSet(t *testing.T) {
 	}
 }
 
+func TestGetJobOptions_DisablePortableRunnerExperimentsSet(t *testing.T) {
+	resetGlobals()
+	*stagingLocation = "gs://testStagingLocation"
+	*gcpopts.Project = "testProject"
+	*gcpopts.Region = "testRegion"
+	*jobopts.Experiments = "disable_portable_runner"
+
+	opts, err := getJobOptions(context.Background(), false)
+
+	if err == nil {
+		t.Error("getJobOptions() returned error nil, want an error")
+	}
+	if opts != nil {
+		t.Errorf("getJobOptions() returned JobOptions when it should not have, got %#v, want nil", opts)
+	}
+}
+
+func TestGetJobOptions_EnableStreamingJavaRunnerExperimentsSet(t *testing.T) {
+	resetGlobals()
+	*stagingLocation = "gs://testStagingLocation"
+	*gcpopts.Project = "testProject"
+	*gcpopts.Region = "testRegion"
+	*jobopts.Experiments = "enable_streaming_java_runner"
+
+	opts, err := getJobOptions(context.Background(), false)
+
+	if err == nil {
+		t.Error("getJobOptions() returned error nil, want an error")
+	}
+	if opts != nil {
+		t.Errorf("getJobOptions() returned JobOptions when it should not have, got %#v, want nil", opts)
+	}
+}
+
 func TestGetJobOptions_NoStagingLocation(t *testing.T) {
 	resetGlobals()
 	*stagingLocation = ""
diff --git a/sdks/python/apache_beam/runners/dataflow/dataflow_runner.py b/sdks/python/apache_beam/runners/dataflow/dataflow_runner.py
index 0c23e6024dc6..58da4461593c 100644
--- a/sdks/python/apache_beam/runners/dataflow/dataflow_runner.py
+++ b/sdks/python/apache_beam/runners/dataflow/dataflow_runner.py
@@ -591,6 +591,8 @@ def _add_runner_v2_missing_options(options):
   debug_options.add_experiment('use_unified_worker')
   debug_options.add_experiment('use_runner_v2')
   debug_options.add_experiment('use_portable_job_submission')
+  # enable_portable_runner is not added by default as it is not documented.
+  # This behavior will be fixed in later versions.
 
 
 def _check_and_add_missing_options(options):
@@ -662,6 +664,8 @@ def _is_runner_v2_disabled(options):
   """Returns true if runner v2 is disabled."""
   debug_options = options.view_as(DebugOptions)
   return (
+      debug_options.lookup_experiment('disable_portable_runner') or
+      debug_options.lookup_experiment('enable_streaming_java_runner') or
       debug_options.lookup_experiment('disable_runner_v2') or
       debug_options.lookup_experiment('disable_runner_v2_until_2023') or
       debug_options.lookup_experiment('disable_runner_v2_until_v2.50') or

From dbb982648f4cf82adc641db5d635422de989b53a Mon Sep 17 00:00:00 2001
From: TongruiLi <12992126+TongruiLi@users.noreply.github.com>
Date: Fri, 8 May 2026 21:42:28 +0000
Subject: [PATCH 2/6] Removed empty if, added disable unit test for python.

---
 sdks/go/pkg/beam/runners/dataflow/dataflow.go |  4 +---
 .../runners/dataflow/dataflow_runner_test.py  | 23 +++++++++++++++++++
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/sdks/go/pkg/beam/runners/dataflow/dataflow.go b/sdks/go/pkg/beam/runners/dataflow/dataflow.go
index 1519cabf673e..651a86b9ee42 100644
--- a/sdks/go/pkg/beam/runners/dataflow/dataflow.go
+++ b/sdks/go/pkg/beam/runners/dataflow/dataflow.go
@@ -369,9 +369,7 @@ func getJobOptions(ctx context.Context, streaming bool) (*dataflowlib.JobOptions
 	if !portaSubmission {
 		experiments = append(experiments, "use_portable_job_submission")
 	}
-	if !portableRunnerSet {
-		// As this option is not documented, we do not set it by default. This behavior will be fixed in later versions.
-	}
+	// As portable_runner is not documented, we do not set it by default. This behavior will be fixed in later versions.
 
 	// Ensure that streaming specific experiments are set for streaming pipelines
 	// since runner v2 only supports using streaming engine.
diff --git a/sdks/python/apache_beam/runners/dataflow/dataflow_runner_test.py b/sdks/python/apache_beam/runners/dataflow/dataflow_runner_test.py
index e1b8be6682f9..2d8f840a4d00 100644
--- a/sdks/python/apache_beam/runners/dataflow/dataflow_runner_test.py
+++ b/sdks/python/apache_beam/runners/dataflow/dataflow_runner_test.py
@@ -41,6 +41,7 @@
 from apache_beam.runners.dataflow.dataflow_runner import DataflowRuntimeException
 from apache_beam.runners.dataflow.dataflow_runner import _check_and_add_missing_options
 from apache_beam.runners.dataflow.dataflow_runner import _check_and_add_missing_streaming_options
+from apache_beam.runners.dataflow.dataflow_runner import _is_runner_v2_disabled
 from apache_beam.runners.dataflow.internal.clients import dataflow as dataflow_api
 from apache_beam.runners.internal import names
 from apache_beam.runners.runner import PipelineState
@@ -734,5 +735,27 @@ def test_explicit_streaming_no_unbounded(self):
         apiclient.dataflow.Job.TypeValueValuesEnum.JOB_TYPE_STREAMING)
 
 
+class DataflowRunnerV2DisabledTest(unittest.TestCase):
+
+  def test_runner_v2_disabled_experiments_raise(self):
+    disable_experiments = [
+        'disable_portable_runner',
+        'enable_streaming_java_runner',
+        'disable_runner_v2',
+        'disable_runner_v2_until_2023',
+        'disable_runner_v2_until_v2.50',
+        'disable_prime_runner_v2',
+    ]
+    for experiment in disable_experiments:
+      options = PipelineOptions([f'--experiments={experiment}'])
+      self.assertTrue(
+          _is_runner_v2_disabled(options),
+          f'Expected {experiment} to disable runner v2')
+      with self.assertRaisesRegex(
+          ValueError,
+          'Disabling Runner V2 no longer supported'):
+        DataflowRunner().run_pipeline(None, options)
+
+
 if __name__ == '__main__':
   unittest.main()

From ac3716d950fd3420819adfdf359a0be188639012 Mon Sep 17 00:00:00 2001
From: TongruiLi <12992126+TongruiLi@users.noreply.github.com>
Date: Fri, 8 May 2026 21:43:19 +0000
Subject: [PATCH 3/6] Removed unnessary class in unit test

---
 .../apache_beam/runners/dataflow/dataflow_runner_test.py       | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/sdks/python/apache_beam/runners/dataflow/dataflow_runner_test.py b/sdks/python/apache_beam/runners/dataflow/dataflow_runner_test.py
index 2d8f840a4d00..b3035d38c7c0 100644
--- a/sdks/python/apache_beam/runners/dataflow/dataflow_runner_test.py
+++ b/sdks/python/apache_beam/runners/dataflow/dataflow_runner_test.py
@@ -734,9 +734,6 @@ def test_explicit_streaming_no_unbounded(self):
         p.result.job.proto.type,
         apiclient.dataflow.Job.TypeValueValuesEnum.JOB_TYPE_STREAMING)
 
-
-class DataflowRunnerV2DisabledTest(unittest.TestCase):
-
   def test_runner_v2_disabled_experiments_raise(self):
     disable_experiments = [
         'disable_portable_runner',

From 1069559f292757e3b0cbfe94d7bf590caa003fb4 Mon Sep 17 00:00:00 2001
From: TongruiLi <12992126+TongruiLi@users.noreply.github.com>
Date: Fri, 8 May 2026 21:50:35 +0000
Subject: [PATCH 4/6] Removed unused variable

---
 sdks/go/pkg/beam/runners/dataflow/dataflow.go | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/sdks/go/pkg/beam/runners/dataflow/dataflow.go b/sdks/go/pkg/beam/runners/dataflow/dataflow.go
index 651a86b9ee42..852613569801 100644
--- a/sdks/go/pkg/beam/runners/dataflow/dataflow.go
+++ b/sdks/go/pkg/beam/runners/dataflow/dataflow.go
@@ -335,7 +335,7 @@ func getJobOptions(ctx context.Context, streaming bool) (*dataflowlib.JobOptions
 	experiments := jobopts.GetExperiments()
 	// Ensure that we enable the same set of experiments across all SDKs
 	// for runner v2.
-	var fnApiSet, v2set, uwSet, portableRunnerSet, portaSubmission, seSet, wsSet bool
+	var fnApiSet, v2set, uwSet, portaSubmission, seSet, wsSet bool
 	for _, e := range experiments {
 		if strings.Contains(e, "beam_fn_api") {
 			fnApiSet = true
@@ -349,9 +349,7 @@ func getJobOptions(ctx context.Context, streaming bool) (*dataflowlib.JobOptions
 		if strings.Contains(e, "use_portable_job_submission") {
 			portaSubmission = true
 		}
-		if strings.Contains(e, "enable_portable_runner") {
-			portableRunnerSet = true
-		}
+		// enable_portable_runner is not documented and hence wont be set by default. This will be fixed in later versions.
 		if strings.Contains(e, "disable_runner_v2") || strings.Contains(e, "disable_runner_v2_until_2023") || strings.Contains(e, "disable_prime_runner_v2") || strings.Contains(e, "disable_portable_runner") || strings.Contains(e, "enable_streaming_java_runner") {
 			return nil, errors.New("detected one of the following experiments: disable_runner_v2 | disable_runner_v2_until_2023 | disable_prime_runner_v2. Disabling runner v2 is no longer supported as of Beam version 2.45.0+")
 		}
@@ -369,7 +367,6 @@ func getJobOptions(ctx context.Context, streaming bool) (*dataflowlib.JobOptions
 	if !portaSubmission {
 		experiments = append(experiments, "use_portable_job_submission")
 	}
-	// As portable_runner is not documented, we do not set it by default. This behavior will be fixed in later versions.
 
 	// Ensure that streaming specific experiments are set for streaming pipelines
 	// since runner v2 only supports using streaming engine.

From b846ceccaf75045d5fb68624f7c1abd14e6b43a5 Mon Sep 17 00:00:00 2001
From: TongruiLi <12992126+TongruiLi@users.noreply.github.com>
Date: Sat, 16 May 2026 23:39:53 +0000
Subject: [PATCH 5/6] Ran formatter

---
 .../apache_beam/runners/dataflow/dataflow_runner_test.py     | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/sdks/python/apache_beam/runners/dataflow/dataflow_runner_test.py b/sdks/python/apache_beam/runners/dataflow/dataflow_runner_test.py
index b3035d38c7c0..dd8b9d25712f 100644
--- a/sdks/python/apache_beam/runners/dataflow/dataflow_runner_test.py
+++ b/sdks/python/apache_beam/runners/dataflow/dataflow_runner_test.py
@@ -748,9 +748,8 @@ def test_runner_v2_disabled_experiments_raise(self):
       self.assertTrue(
           _is_runner_v2_disabled(options),
           f'Expected {experiment} to disable runner v2')
-      with self.assertRaisesRegex(
-          ValueError,
-          'Disabling Runner V2 no longer supported'):
+      with self.assertRaisesRegex(ValueError,
+                                  'Disabling Runner V2 no longer supported'):
         DataflowRunner().run_pipeline(None, options)
 
 

From 4013e3d6691ee9535b345b68a8cf679eb067f986 Mon Sep 17 00:00:00 2001
From: TongruiLi <tongrui1998@gmail.com>
Date: Mon, 18 May 2026 23:28:32 +0000
Subject: [PATCH 6/6] Updated All Reference of Runner V2/V1 to portable
 runner/streaming java runner

---
 .../arm/build.gradle                           |  2 +-
 .../google-cloud-dataflow-java/build.gradle    | 10 +++++-----
 .../beam/runners/dataflow/DataflowRunner.java  | 18 +++++++++---------
 .../runners/dataflow/DataflowRunnerTest.java   |  2 +-
 .../windmill/src/main/proto/windmill.proto     |  2 +-
 sdks/go/pkg/beam/runners/dataflow/dataflow.go  |  6 +++---
 .../ordered_window_elements/streaming.py       |  2 +-
 .../apache_beam/examples/kafkataxi/README.md   |  2 +-
 .../io/external/xlang_bigqueryio_it_test.py    |  2 +-
 .../runners/dataflow/dataflow_metrics.py       |  2 +-
 .../runners/dataflow/dataflow_runner.py        | 12 ++++++------
 .../runners/dataflow/dataflow_runner_test.py   |  4 ++--
 .../runners/dataflow/internal/apiclient.py     |  8 ++++----
 .../clients/dataflow/dataflow_v1b3_messages.py |  4 ++--
 sdks/python/apache_beam/transforms/core.py     |  4 ++--
 15 files changed, 40 insertions(+), 40 deletions(-)

diff --git a/runners/google-cloud-dataflow-java/arm/build.gradle b/runners/google-cloud-dataflow-java/arm/build.gradle
index 2e74d7727f21..14d558cf82b8 100644
--- a/runners/google-cloud-dataflow-java/arm/build.gradle
+++ b/runners/google-cloud-dataflow-java/arm/build.gradle
@@ -118,7 +118,7 @@ task printrunnerV2PipelineOptionsARM {
   dependsOn buildAndPushDockerJavaMultiarchContainer
 
   doLast {
-    println "To run a Dataflow job with runner V2 on ARM, add the following pipeline options to your command-line:"
+    println "To run a Dataflow job with Portable Runner on ARM, add the following pipeline options to your command-line:"
     println runnerV2PipelineOptionsARM.join(' ')
   }
 }
diff --git a/runners/google-cloud-dataflow-java/build.gradle b/runners/google-cloud-dataflow-java/build.gradle
index 93fe9cb227bb..73b78af09c71 100644
--- a/runners/google-cloud-dataflow-java/build.gradle
+++ b/runners/google-cloud-dataflow-java/build.gradle
@@ -431,7 +431,7 @@ task printRunnerV2PipelineOptions {
   dependsOn buildAndPushDockerJavaContainer
 
   doLast {
-    println "To run a Dataflow job with runner V2, add the following pipeline options to your command-line:"
+    println "To run a Dataflow job with Portable Runner, add the following pipeline options to your command-line:"
     println runnerV2PipelineOptions.join(' ')
     println "Please delete your image upon completion with the following command:"
     println "docker rmi ${dockerJavaImageName}; gcloud container images delete --force-delete-tags ${dockerJavaImageName}"
@@ -471,7 +471,7 @@ def validatesRunnerStreamingConfig = [
   excludedTests: [
     // TODO(https://github.com/apache/beam/issues/21472)
     'org.apache.beam.sdk.transforms.GroupByKeyTest$BasicTests.testAfterProcessingTimeContinuationTriggerUsingState',
-    // GroupIntoBatches.withShardedKey not supported on streaming runner v1
+    // GroupIntoBatches.withShardedKey not supported on streaming Streaming Java Runner
     // https://github.com/apache/beam/issues/22592
     'org.apache.beam.sdk.transforms.GroupIntoBatchesTest.testWithShardedKeyInGlobalWindow',
 
@@ -570,7 +570,7 @@ createCrossLanguageValidatesRunnerTask(
 
 task validatesRunnerV2 {
   group = "Verification"
-  description = "Runs the ValidatesRunner tests on Dataflow Runner V2"
+  description = "Runs the ValidatesRunner tests on Dataflow Portable Runner"
   dependsOn(createRunnerV2ValidatesRunnerTest(
     name: 'validatesRunnerV2Test',
     pipelineOptions: runnerV2PipelineOptions,
@@ -610,7 +610,7 @@ task validatesRunnerV2 {
 
 task validatesRunnerV2Streaming {
   group = "Verification"
-  description = "Runs the ValidatesRunner tests on Dataflow Runner V2 forcing streaming mode"
+  description = "Runs the ValidatesRunner tests on Dataflow Portable Runner forcing streaming mode"
   dependsOn(createRunnerV2ValidatesRunnerTest(
     name: 'validatesRunnerV2TestStreaming',
     pipelineOptions: runnerV2PipelineOptions + ['--streaming', '--experiments=enable_streaming_engine'],
@@ -880,7 +880,7 @@ task postCommit {
 
 task postCommitRunnerV2 {
   group = "Verification"
-  description = "Various integration tests using the Dataflow runner V2."
+  description = "Various integration tests using the Dataflow Portable Runner."
   dependsOn googleCloudPlatformRunnerV2IntegrationTest
   dependsOn coreSDKJavaRunnerV2IntegrationTest
 }
diff --git a/runners/google-cloud-dataflow-java/src/main/java/org/apache/beam/runners/dataflow/DataflowRunner.java b/runners/google-cloud-dataflow-java/src/main/java/org/apache/beam/runners/dataflow/DataflowRunner.java
index 299e7fa21ed1..ae17ceff8d56 100644
--- a/runners/google-cloud-dataflow-java/src/main/java/org/apache/beam/runners/dataflow/DataflowRunner.java
+++ b/runners/google-cloud-dataflow-java/src/main/java/org/apache/beam/runners/dataflow/DataflowRunner.java
@@ -1242,25 +1242,25 @@ private static boolean includesTransformUpgrades(Pipeline pipeline) {
   @Override
   public DataflowPipelineJob run(Pipeline pipeline) {
     // Multi-language pipelines and pipelines that include upgrades should automatically be upgraded
-    // to Runner v2.
+    // to Portable Runner.
     if (DataflowRunner.isMultiLanguagePipeline(pipeline) || includesTransformUpgrades(pipeline)) {
       if (!useUnifiedWorker(options)) {
         List<String> experiments = firstNonNull(options.getExperiments(), Collections.emptyList());
         LOG.info(
-            "Automatically enabling Dataflow Runner v2 since the pipeline used cross-language"
+            "Automatically enabling Dataflow Portable Runner since the pipeline used cross-language"
                 + " transforms or pipeline needed a transform upgrade.");
         options.setExperiments(
             ImmutableList.<String>builder().addAll(experiments).add("use_runner_v2").build());
       }
     }
     if (useUnifiedWorker(options)) {
-      if (hasExperiment(options, "disable_runner_v2")
+        if (hasExperiment(options, "disable_runner_v2")
           || hasExperiment(options, "disable_runner_v2_until_2023")
           || hasExperiment(options, "disable_prime_runner_v2")
           || hasExperiment(options, "disable_portable_runner")
           || hasExperiment(options, "enable_streaming_java_runner")) {
         throw new IllegalArgumentException(
-            "Runner V2 both disabled and enabled: at least one of ['beam_fn_api', 'use_unified_worker', 'use_runner_v2', 'use_portable_job_submission'] is set and also one of ['disable_runner_v2', 'disable_runner_v2_until_2023', 'disable_prime_runner_v2'] is set.");
+            "Portable Runner both disabled and enabled: at least one of ['enable_portable_runner', 'beam_fn_api', 'use_unified_worker', 'use_runner_v2', 'use_portable_job_submission'] is set and also one of ['enable_streaming_java_runner', 'disable_portable_runner', 'disable_runner_v2', 'disable_runner_v2_until_2023', 'disable_prime_runner_v2'] is set.");
       }
       List<String> experiments =
           new ArrayList<>(options.getExperiments()); // non-null if useUnifiedWorker is true
@@ -1374,10 +1374,10 @@ public DataflowPipelineJob run(Pipeline pipeline) {
     options.as(SdkHarnessOptions.class).setPipelineProtoHash(pipelineProtoHash);
 
     if (useUnifiedWorker(options)) {
-      LOG.info("Skipping v1 transform replacements since job will run on v2.");
+      LOG.info("Skipping Streaming Java Runner transform replacements since job will run on Portable Runner.");
     } else {
-      // Now rewrite things to be as needed for v1 (mutates the pipeline)
-      // This way the job submitted is valid for v1 and v2, simultaneously
+      // Now rewrite things to be as needed for Streaming Java Runner (mutates the pipeline)
+      // This way the job submitted is valid for Streaming Java Runner and Portable Runner, simultaneously
       replaceV1Transforms(pipeline);
     }
     // Capture the SdkComponents for look up during step translations
@@ -1388,7 +1388,7 @@ public DataflowPipelineJob run(Pipeline pipeline) {
             .addAllDependencies(getDefaultArtifacts())
             .addAllCapabilities(Environments.getJavaCapabilities())
             .build());
-    // No need to perform transform upgrading for the Runner v1 proto.
+    // No need to perform transform upgrading for the Streaming Java Runner proto.
     RunnerApi.Pipeline dataflowV1PipelineProto =
         PipelineTranslation.toProto(pipeline, dataflowV1Components, true, false);
 
@@ -1544,7 +1544,7 @@ public DataflowPipelineJob run(Pipeline pipeline) {
       options.setExperiments(experiments);
       LOG.warn(
           "The upload_graph experiment was specified, but it does not apply "
-              + "to runner v2 jobs. Option has been automatically removed.");
+              + "to Portable Runner jobs. Option has been automatically removed.");
     }
 
     // Upload the job to GCS and remove the graph object from the API call.  The graph
diff --git a/runners/google-cloud-dataflow-java/src/test/java/org/apache/beam/runners/dataflow/DataflowRunnerTest.java b/runners/google-cloud-dataflow-java/src/test/java/org/apache/beam/runners/dataflow/DataflowRunnerTest.java
index ab3b62a0aa1b..a6ca8ac1c0c7 100644
--- a/runners/google-cloud-dataflow-java/src/test/java/org/apache/beam/runners/dataflow/DataflowRunnerTest.java
+++ b/runners/google-cloud-dataflow-java/src/test/java/org/apache/beam/runners/dataflow/DataflowRunnerTest.java
@@ -1847,7 +1847,7 @@ public void testSettingConflictingEnableAndDisableExperimentsThrowsException() t
         ExperimentalOptions.addExperiment(options, disabledExperiment);
         Pipeline p = Pipeline.create(options);
         p.apply(Create.of("A"));
-        assertThrows("Runner V2 both disabled and enabled", IllegalArgumentException.class, p::run);
+        assertThrows("Portable Runner both disabled and enabled", IllegalArgumentException.class, p::run);
       }
     }
   }
diff --git a/runners/google-cloud-dataflow-java/worker/windmill/src/main/proto/windmill.proto b/runners/google-cloud-dataflow-java/worker/windmill/src/main/proto/windmill.proto
index b7579cbacb8e..8a1f602105cc 100644
--- a/runners/google-cloud-dataflow-java/worker/windmill/src/main/proto/windmill.proto
+++ b/runners/google-cloud-dataflow-java/worker/windmill/src/main/proto/windmill.proto
@@ -979,7 +979,7 @@ enum ConnectivityType {
   CONNECTIVITY_TYPE_DIRECTPATH = 2;
 }
 
-// Settings to control runtime behavior of the java runner v1 user worker.
+// Settings to control runtime behavior of the Streaming Java Runner user worker.
 message UserWorkerRunnerV1Settings {
   optional UserWorkerGrpcFlowControlSettings flow_control_settings = 3;
 
diff --git a/sdks/go/pkg/beam/runners/dataflow/dataflow.go b/sdks/go/pkg/beam/runners/dataflow/dataflow.go
index 852613569801..169439aaafe6 100644
--- a/sdks/go/pkg/beam/runners/dataflow/dataflow.go
+++ b/sdks/go/pkg/beam/runners/dataflow/dataflow.go
@@ -334,7 +334,7 @@ func getJobOptions(ctx context.Context, streaming bool) (*dataflowlib.JobOptions
 
 	experiments := jobopts.GetExperiments()
 	// Ensure that we enable the same set of experiments across all SDKs
-	// for runner v2.
+	// for Portable Runner.
 	var fnApiSet, v2set, uwSet, portaSubmission, seSet, wsSet bool
 	for _, e := range experiments {
 		if strings.Contains(e, "beam_fn_api") {
@@ -351,7 +351,7 @@ func getJobOptions(ctx context.Context, streaming bool) (*dataflowlib.JobOptions
 		}
 		// enable_portable_runner is not documented and hence wont be set by default. This will be fixed in later versions.
 		if strings.Contains(e, "disable_runner_v2") || strings.Contains(e, "disable_runner_v2_until_2023") || strings.Contains(e, "disable_prime_runner_v2") || strings.Contains(e, "disable_portable_runner") || strings.Contains(e, "enable_streaming_java_runner") {
-			return nil, errors.New("detected one of the following experiments: disable_runner_v2 | disable_runner_v2_until_2023 | disable_prime_runner_v2. Disabling runner v2 is no longer supported as of Beam version 2.45.0+")
+			return nil, errors.New("detected one of the following experiments: disable_runner_v2 | disable_runner_v2_until_2023 | disable_prime_runner_v2 | disable_portable_runner | enable_streaming_java_runner. Disabling runner v2 is no longer supported as of Beam version 2.45.0+")
 		}
 	}
 	// Enable default experiments.
@@ -369,7 +369,7 @@ func getJobOptions(ctx context.Context, streaming bool) (*dataflowlib.JobOptions
 	}
 
 	// Ensure that streaming specific experiments are set for streaming pipelines
-	// since runner v2 only supports using streaming engine.
+	// since Portable Runner only supports using streaming engine.
 	if streaming {
 		if !seSet {
 			experiments = append(experiments, "enable_streaming_engine")
diff --git a/sdks/python/apache_beam/examples/cookbook/ordered_window_elements/streaming.py b/sdks/python/apache_beam/examples/cookbook/ordered_window_elements/streaming.py
index aed1400bc4d8..97e93fb0bc3b 100644
--- a/sdks/python/apache_beam/examples/cookbook/ordered_window_elements/streaming.py
+++ b/sdks/python/apache_beam/examples/cookbook/ordered_window_elements/streaming.py
@@ -135,7 +135,7 @@ def _state_read_range(self, buffer_state, range_lo, range_hi):
 
   def _state_clear_range(self, buffer_state, range_lo, range_hi):
     """Clears a specified range of elements from the buffer state."""
-    # TODO: Dataflow runner v2 gets stuck when MIN_TIMESTAMP is used
+    # TODO: Dataflow Portable Runner gets stuck when MIN_TIMESTAMP is used
     # as the lower bound for clear_range. Investigate this further.
     buffer_state.clear_range(range_lo, range_hi)
 
diff --git a/sdks/python/apache_beam/examples/kafkataxi/README.md b/sdks/python/apache_beam/examples/kafkataxi/README.md
index 86924200b1f2..410eb41a62c5 100644
--- a/sdks/python/apache_beam/examples/kafkataxi/README.md
+++ b/sdks/python/apache_beam/examples/kafkataxi/README.md
@@ -67,7 +67,7 @@ Perform Beam runner specific setup.
 
 ℹ️ Note that cross-language transforms require
 portable implementations of Spark/Flink/Direct runners. Dataflow requires
-[runner V2](https://cloud.google.com/dataflow/docs/guides/deploying-a-pipeline#dataflow-runner-v2).
+[Portable Runner](https://cloud.google.com/dataflow/docs/guides/deploying-a-pipeline#dataflow-runner-v2).
 See [here](https://beam.apache.org/documentation/runners/dataflow/) for
 instructions for setting up Dataflow.
 
diff --git a/sdks/python/apache_beam/io/external/xlang_bigqueryio_it_test.py b/sdks/python/apache_beam/io/external/xlang_bigqueryio_it_test.py
index bc012bd7be9d..49725d54e990 100644
--- a/sdks/python/apache_beam/io/external/xlang_bigqueryio_it_test.py
+++ b/sdks/python/apache_beam/io/external/xlang_bigqueryio_it_test.py
@@ -563,7 +563,7 @@ def test_streaming_with_fixed_num_streams(self):
 
   @unittest.skip(
       "Streaming to the Storage Write API sink with autosharding is broken "
-      "with Dataflow Runner V2.")
+      "with Dataflow Portable Runner.")
   def test_streaming_with_auto_sharding(self):
     self.skip_if_not_dataflow_runner()
     table = 'streaming_with_auto_sharding'
diff --git a/sdks/python/apache_beam/runners/dataflow/dataflow_metrics.py b/sdks/python/apache_beam/runners/dataflow/dataflow_metrics.py
index 87456124b816..8f72d45060ca 100644
--- a/sdks/python/apache_beam/runners/dataflow/dataflow_metrics.py
+++ b/sdks/python/apache_beam/runners/dataflow/dataflow_metrics.py
@@ -103,7 +103,7 @@ def _translate_step_name(self, internal_name):
     user_step_name = None
     if (self._job_graph and internal_name
         in self._job_graph.proto_pipeline.components.transforms.keys()):
-      # Dataflow Runner v2 with portable job submission uses proto transform map
+      # Dataflow Portable Runner with portable job submission uses proto transform map
       # IDs for step names. Also PTransform.unique_name maps to user step names.
       # Hence we lookup user step names based on the proto.
       user_step_name = self._job_graph.proto_pipeline.components.transforms[
diff --git a/sdks/python/apache_beam/runners/dataflow/dataflow_runner.py b/sdks/python/apache_beam/runners/dataflow/dataflow_runner.py
index 58da4461593c..2d0b0a4b4d3a 100644
--- a/sdks/python/apache_beam/runners/dataflow/dataflow_runner.py
+++ b/sdks/python/apache_beam/runners/dataflow/dataflow_runner.py
@@ -65,7 +65,7 @@
 
 BQ_SOURCE_UW_ERROR = (
     'The Read(BigQuerySource(...)) transform is not supported with newer stack '
-    'features (Fn API, Dataflow Runner V2, etc). Please use the transform '
+    'features (Fn API, Dataflow Portable Runner, etc). Please use the transform '
     'apache_beam.io.gcp.bigquery.ReadFromBigQuery instead.')
 
 
@@ -320,7 +320,7 @@ def visit_transform(self, applied_transform):
             raise ValueError(
                 'CombineFn.setup and CombineFn.teardown are '
                 'not supported with non-portable Dataflow '
-                'runner. Please use Dataflow Runner V2 instead.')
+                'runner. Please use Dataflow Portable Runner instead.')
 
       @staticmethod
       def _overrides_setup_or_teardown(combinefn):
@@ -342,7 +342,7 @@ def run_pipeline(self, pipeline, options, pipeline_proto=None):
     """Remotely executes entire pipeline or parts reachable from node."""
     if _is_runner_v2_disabled(options):
       raise ValueError(
-          'Disabling Runner V2 no longer supported '
+          'Disabling Portable Runner no longer supported '
           'using Beam Python %s.' % beam.version.__version__)
 
     # Label goog-dataflow-notebook if job is started from notebook.
@@ -650,8 +650,8 @@ def _check_and_add_missing_streaming_options(options):
 
   :param options: PipelineOptions for this pipeline.
   """
-  # Streaming only supports using runner v2 (aka unified worker).
-  # Runner v2 only supports using streaming engine (aka windmill service)
+  # Streaming only supports using Portable Runner (aka unified worker).
+  # Portable Runner only supports using streaming engine (aka windmill service)
   if options.view_as(StandardOptions).streaming:
     debug_options = options.view_as(DebugOptions)
     debug_options.add_experiment('enable_streaming_engine')
@@ -661,7 +661,7 @@ def _check_and_add_missing_streaming_options(options):
 def _is_runner_v2_disabled(options):
   # Type: (PipelineOptions) -> bool
 
-  """Returns true if runner v2 is disabled."""
+  """Returns true if Portable Runner is disabled."""
   debug_options = options.view_as(DebugOptions)
   return (
       debug_options.lookup_experiment('disable_portable_runner') or
diff --git a/sdks/python/apache_beam/runners/dataflow/dataflow_runner_test.py b/sdks/python/apache_beam/runners/dataflow/dataflow_runner_test.py
index dd8b9d25712f..a61eaf72e4b8 100644
--- a/sdks/python/apache_beam/runners/dataflow/dataflow_runner_test.py
+++ b/sdks/python/apache_beam/runners/dataflow/dataflow_runner_test.py
@@ -747,9 +747,9 @@ def test_runner_v2_disabled_experiments_raise(self):
       options = PipelineOptions([f'--experiments={experiment}'])
       self.assertTrue(
           _is_runner_v2_disabled(options),
-          f'Expected {experiment} to disable runner v2')
+          f'Expected {experiment} to disable Portable Runner')
       with self.assertRaisesRegex(ValueError,
-                                  'Disabling Runner V2 no longer supported'):
+                                  'Disabling Portable Runner .* no longer supported'):
         DataflowRunner().run_pipeline(None, options)
 
 
diff --git a/sdks/python/apache_beam/runners/dataflow/internal/apiclient.py b/sdks/python/apache_beam/runners/dataflow/internal/apiclient.py
index 4a7c61901de3..47087d0fb4cd 100644
--- a/sdks/python/apache_beam/runners/dataflow/internal/apiclient.py
+++ b/sdks/python/apache_beam/runners/dataflow/internal/apiclient.py
@@ -1153,7 +1153,7 @@ def to_split_int(n):
 
 
 # TODO: Used in legacy batch worker. Move under MetricUpdateTranslators
-# after Runner V2 transition.
+# after Portable Runner transition.
 def translate_distribution(distribution_update, metric_update_proto):
   """Translate metrics DistributionUpdate to dataflow distribution update.
 
@@ -1174,7 +1174,7 @@ def translate_distribution(distribution_update, metric_update_proto):
   metric_update_proto.distribution = dist_update_proto
 
 
-# TODO: Used in legacy batch worker. Delete after Runner V2 transition.
+# TODO: Used in legacy batch worker. Delete after Portable Runner transition.
 def translate_value(value, metric_update_proto):
   metric_update_proto.integer = to_split_int(value)
 
@@ -1203,8 +1203,8 @@ def get_container_image_from_options(pipeline_options):
   if worker_options.sdk_container_image:
     return worker_options.sdk_container_image
 
-  # Legacy and runner v2 exist in different repositories.
-  # Set to legacy format, override if runner v2
+  # Legacy and Portable Runner exist in different repositories.
+  # Set to legacy format, override if Portable Runner
   container_repo = names.DATAFLOW_CONTAINER_IMAGE_REPOSITORY
   image_name = '{repository}/beam_python{major}.{minor}_sdk'.format(
       repository=container_repo,
diff --git a/sdks/python/apache_beam/runners/dataflow/internal/clients/dataflow/dataflow_v1b3_messages.py b/sdks/python/apache_beam/runners/dataflow/internal/clients/dataflow/dataflow_v1b3_messages.py
index 582fb30b57b1..f185dbb8d43b 100644
--- a/sdks/python/apache_beam/runners/dataflow/internal/clients/dataflow/dataflow_v1b3_messages.py
+++ b/sdks/python/apache_beam/runners/dataflow/internal/clients/dataflow/dataflow_v1b3_messages.py
@@ -6764,9 +6764,9 @@ class StreamingConfigTask(_messages.Message):
       format version for streaming engine jobs.
     userStepToStateFamilyNameMap: Map from user step names to state families.
     userWorkerRunnerV1Settings: Binary encoded proto to control runtime
-      behavior of the java runner v1 user worker.
+      behavior of the Streaming Java Runner user worker.
     userWorkerRunnerV2Settings: Binary encoded proto to control runtime
-      behavior of the runner v2 user worker.
+      behavior of the Portable Runner user worker.
     windmillServiceEndpoint: If present, the worker must use this endpoint to
       communicate with Windmill Service dispatchers, otherwise the worker must
       continue to use whatever endpoint it had been using.
diff --git a/sdks/python/apache_beam/transforms/core.py b/sdks/python/apache_beam/transforms/core.py
index 55a2cf40b64a..cd01253cade7 100644
--- a/sdks/python/apache_beam/transforms/core.py
+++ b/sdks/python/apache_beam/transforms/core.py
@@ -1096,7 +1096,7 @@ def setup(self, *args, **kwargs):
     before executing any of the other methods. The resources can then be
     disposed of in ``CombineFn.teardown``.
 
-    If you are using Dataflow, you need to enable Dataflow Runner V2
+    If you are using Dataflow, you need to enable Dataflow Portable Runner
     before using this feature.
 
     Args:
@@ -1194,7 +1194,7 @@ def extract_output(self, accumulator, *args, **kwargs):
   def teardown(self, *args, **kwargs):
     """Called to clean up an instance before it is discarded.
 
-    If you are using Dataflow, you need to enable Dataflow Runner V2
+    If you are using Dataflow, you need to enable Dataflow Portable Runner
     before using this feature.
 
     Args: