diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2ad9eaebd03..f78b804333e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,82 @@
 # Changelog
 
+## [2.4.0](https://github.com/kubeflow/pipelines/compare/2.3.0...2.4.0) (2025-01-16)
+
+
+### ⚠ BREAKING CHANGES
+
+* **sdk:** stop auto-populating metrics as dag output ([\#11362](https://github.com/kubeflow/pipelines/issues/11362))
+* **components:** Deprecate preview.custom_job module
+* **sdk:** Pin kfp-pipeline-spec==0.4.0, kfp-server-api>=2.1.0,<2.4.0 ([\#11192](https://github.com/kubeflow/pipelines/issues/11192))
+
+### Features
+
+* **sdk/backend:** Add support for placeholders in resource limits ([\#11501](https://github.com/kubeflow/pipelines/issues/11501)) ([7c931ae](https://github.com/kubeflow/pipelines/commit/7c931ae20197b2309d7a8462f6ce099882a8f915))
+* Introduce cache_key for cache key customization ([\#11434](https://github.com/kubeflow/pipelines/issues/11434)) ([50b367f](https://github.com/kubeflow/pipelines/commit/50b367f232b2d37b762745c8b4296a29c9d8fd45))
+* **api:** add PipelineConfig to api to re-implement pipeline-level config ([\#11333](https://github.com/kubeflow/pipelines/issues/11333)) ([c2f5649](https://github.com/kubeflow/pipelines/commit/c2f56495b9b1e9eda1b44b6106e12d5290a89ed7))
+* **backend:** add configurable S3 path style support ([\#11246](https://github.com/kubeflow/pipelines/issues/11246)) ([85fdd73](https://github.com/kubeflow/pipelines/commit/85fdd73ae0bb1c2ce01da6311807b37cfc589710))
+* **backend:** Add Parallelism Limit to ParallelFor tasks. Fixes [\#8718](https://github.com/kubeflow/pipelines/issues/8718) ([\#10798](https://github.com/kubeflow/pipelines/issues/10798)) ([b7d8c97](https://github.com/kubeflow/pipelines/commit/b7d8c97d65af575b71efe6755eb67b0bb9126f01))
+* **backend:** implement subdag output resolution ([\#11196](https://github.com/kubeflow/pipelines/issues/11196)) ([c5b787a](https://github.com/kubeflow/pipelines/commit/c5b787aacc4fddeeb1ebc526a83159540cd7b311))
+* **backend:** Remove PipelineSpec Template storage from ObjStore responsibilies. Fixes [\#10509](https://github.com/kubeflow/pipelines/issues/10509) ([\#10790](https://github.com/kubeflow/pipelines/issues/10790)) ([374b18b](https://github.com/kubeflow/pipelines/commit/374b18bc3366a51f4b92821cdb3a942bc12343a0))
+* **cli:** expose existing_token client property ([\#11400](https://github.com/kubeflow/pipelines/issues/11400)) ([35793be](https://github.com/kubeflow/pipelines/commit/35793be4168584b1084169b723bfb216aa4a03b6))
+* **component:** Created Snowflake data unload component ([\#11349](https://github.com/kubeflow/pipelines/issues/11349)) ([22e7780](https://github.com/kubeflow/pipelines/commit/22e77805ed41a72837f7cd15a9d679f42169b253))
+* **component:** execute in a virtual env ([\#11326](https://github.com/kubeflow/pipelines/issues/11326)) ([df28e89](https://github.com/kubeflow/pipelines/commit/df28e891c4374f7eac98cc6a4892b6e6c35a43f2))
+* **components:** Add reservation_affinity support in v1.create_custom_training_job_from_component ([c84241b](https://github.com/kubeflow/pipelines/commit/c84241b7362c0351109bc0ddbc2f697479ff8675))
+* **components:** add strategy to v1 GCPC custom job components/utils ([1cdd648](https://github.com/kubeflow/pipelines/commit/1cdd648239ff850bf5baae48e4e7bd1b24330dd5))
+* **components:** Deprecate preview.custom_job module ([abbd915](https://github.com/kubeflow/pipelines/commit/abbd915a2ac32b22151efef662b937601602ba9d))
+* **frontend/backend:** Allow the ability to sort experiments by last run creation. Fixes [\#10884](https://github.com/kubeflow/pipelines/issues/10884) ([\#11163](https://github.com/kubeflow/pipelines/issues/11163)) ([db8669c](https://github.com/kubeflow/pipelines/commit/db8669c33e60bb8910710359c0638d21ec27ac7c))
+* **sdk:** add PipelineConfig to DSL to re-implement pipeline-level config ([\#11112](https://github.com/kubeflow/pipelines/issues/11112)) ([df4d787](https://github.com/kubeflow/pipelines/commit/df4d7878c4ce25c801a916351bcbce1266a9daf1))
+* **sdk:** Allow disabling default caching via a CLI flag and env var ([\#11222](https://github.com/kubeflow/pipelines/issues/11222)) ([3f49522](https://github.com/kubeflow/pipelines/commit/3f495229f26ef08360048d050dfe014ca4b57b4f))
+* **sdk:** Pin kfp-pipeline-spec==0.4.0, kfp-server-api>=2.1.0,<2.4.0 ([\#11192](https://github.com/kubeflow/pipelines/issues/11192)) ([dfd4cc1](https://github.com/kubeflow/pipelines/commit/dfd4cc1e537523b04b01b6e209b5760bd2a007d5))
+* **sdk:** stop auto-populating metrics as dag output ([\#11362](https://github.com/kubeflow/pipelines/issues/11362)) ([8d018af](https://github.com/kubeflow/pipelines/commit/8d018aff6ed14b5bed7b3f90d9f450b3144ae18e))
+* **sdk/backend:** enable parameterization of container images ([\#11404](https://github.com/kubeflow/pipelines/issues/11404)) ([22e85de](https://github.com/kubeflow/pipelines/commit/22e85de2bcbd2ff5ed2a099e4f11a39ff27e4190))
+* **testing:** use kustomize to patch deployments before deploy ([\#11294](https://github.com/kubeflow/pipelines/issues/11294)) ([be863a8](https://github.com/kubeflow/pipelines/commit/be863a852997718701a1ee548d9db86dca7ffc33))
+* add fields in SinglePlatformSpec ([\#11299](https://github.com/kubeflow/pipelines/issues/11299)) ([a0d313e](https://github.com/kubeflow/pipelines/commit/a0d313e095c2b5fc1a32809c38cf96b13e5772b2))
+* **sdk:** support dynamic machine type parameters in pipeline task setters ([\#11097](https://github.com/kubeflow/pipelines/issues/11097)) ([70aaf8a](https://github.com/kubeflow/pipelines/commit/70aaf8a9a469607dc6e4aad58d40b39c75363b99))
+* **workflows:** use built images in Github workflows ([\#11284](https://github.com/kubeflow/pipelines/issues/11284)) ([1550b36](https://github.com/kubeflow/pipelines/commit/1550b363aed3745b476d2b3798725432329e8cea))
+
+
+### Bug Fixes
+
+* **backend:** Allow initializing the Kubernetes client with a kubeconfig ([\#11443](https://github.com/kubeflow/pipelines/issues/11443)) ([87bdb7c](https://github.com/kubeflow/pipelines/commit/87bdb7c3b1126ae5e899826be0834c11764edbae))
+* **backend:** handle client side HTTP timeouts to fix crashes of metadata-writer. Fixes [\#8200](https://github.com/kubeflow/pipelines/issues/8200) ([\#11361](https://github.com/kubeflow/pipelines/issues/11361)) ([94a21cc](https://github.com/kubeflow/pipelines/commit/94a21cc7e27a3824732e7f4c09a4d8b826dde5b8))
+* **backend:** modelToCRDTrigger was not including periodic schedule correctly ([\#11475](https://github.com/kubeflow/pipelines/issues/11475)) ([97acacb](https://github.com/kubeflow/pipelines/commit/97acacbd2a0b72d442398ca04382ac1e6d9aa37f))
+* **backend:** randomizing output uri path to avoid overwriting. Fixes [\#10186](https://github.com/kubeflow/pipelines/issues/10186) ([\#11243](https://github.com/kubeflow/pipelines/issues/11243)) ([219725d](https://github.com/kubeflow/pipelines/commit/219725d9f02b690cf0829a21faf092a3e4c65531))
+* **backend:** remove unused function argument ([\#11425](https://github.com/kubeflow/pipelines/issues/11425)) ([7f2278f](https://github.com/kubeflow/pipelines/commit/7f2278f25222992bedfcae5b613a7a06430f4542))
+* **backend:** return error properly ([\#11424](https://github.com/kubeflow/pipelines/issues/11424)) ([13f83cf](https://github.com/kubeflow/pipelines/commit/13f83cf745eb5628d6ae5b25c1ca979d8c6d92ad))
+* **backend:** set default value to true for ForcePathStyle ([\#11281](https://github.com/kubeflow/pipelines/issues/11281)) ([391de8c](https://github.com/kubeflow/pipelines/commit/391de8ca9ec68fe4cd85bba6c82348386fc79842))
+* **backend:** stop heartbeat status updates for ScheduledWorkflows. Fixes [\#8757](https://github.com/kubeflow/pipelines/issues/8757) ([\#11363](https://github.com/kubeflow/pipelines/issues/11363)) ([9ccec4c](https://github.com/kubeflow/pipelines/commit/9ccec4c7d1aff4d2bfdb20cf4fd1f9d64b8632f4))
+* **backend:** Synced ScheduledWorkflow CRs on apiserver startup ([\#11469](https://github.com/kubeflow/pipelines/issues/11469)) ([d21fca6](https://github.com/kubeflow/pipelines/commit/d21fca650c8152d992ad5f7f590f70b1368bc60b))
+* **backend:** upgrade PyYMAL to fix metadata_writer build error ([\#11231](https://github.com/kubeflow/pipelines/issues/11231)) ([a4119a6](https://github.com/kubeflow/pipelines/commit/a4119a6bf1fe220c84aaa5caa7051c423b5f145e))
+* **backend:** upgrade various old dependencies  ([\#11448](https://github.com/kubeflow/pipelines/issues/11448)) ([803d7a8](https://github.com/kubeflow/pipelines/commit/803d7a8ebb00924107b890de01e2a53af78d9a5e))
+* **backend:** Use an Argo Workflow exit lifecycle hook for exit handlers ([\#11470](https://github.com/kubeflow/pipelines/issues/11470)) ([3059f7c](https://github.com/kubeflow/pipelines/commit/3059f7c124dc95f867e6f755f7c0720aaa32d48b))
+* **components:** Fix create_custom_training_job_from_component default location ([04d600b](https://github.com/kubeflow/pipelines/commit/04d600b2d36405f34799306c5d24287c75e31595))
+* **components:** remove default prediction column names in evaluation regression component to fix issues with bigquery data source ([753a2f1](https://github.com/kubeflow/pipelines/commit/753a2f148ac3f001bc785acc6359295e6fe521fd))
+* **frontend:** Detailed information of nodes is not displayed when clicking the node. Fixes [\#11325](https://github.com/kubeflow/pipelines/issues/11325) ([\#11493](https://github.com/kubeflow/pipelines/issues/11493)) ([028d81b](https://github.com/kubeflow/pipelines/commit/028d81b624629d4610ddcdced5b982437ff88d08))
+* **frontend:** first time choosing a pipeline definition is VERY slow. Fixes [\#10897](https://github.com/kubeflow/pipelines/issues/10897) ([\#11130](https://github.com/kubeflow/pipelines/issues/11130)) ([cfb3b31](https://github.com/kubeflow/pipelines/commit/cfb3b3149d9ba02daec584af77ef763f936cd727))
+* **frontend:** Fix the frontend image build with Node 22 ([\#11524](https://github.com/kubeflow/pipelines/issues/11524)) ([\#11525](https://github.com/kubeflow/pipelines/issues/11525)) ([2e47604](https://github.com/kubeflow/pipelines/commit/2e4760435ff988063dba6e21707e910bf748e5ff))
+* **sdk:** accelerator type setting in kfp ([\#11373](https://github.com/kubeflow/pipelines/issues/11373)) ([64e3900](https://github.com/kubeflow/pipelines/commit/64e390069d6c60c97ea03e833529a0930398620f))
+* **sdk:** Add error handling. Fixes [\#11164](https://github.com/kubeflow/pipelines/issues/11164) ([\#11356](https://github.com/kubeflow/pipelines/issues/11356)) ([4a64fe9](https://github.com/kubeflow/pipelines/commit/4a64fe9532556a48585b9966db8e10c7de0a8d37))
+* **sdk:** Backport fixes in kubeflow/pipelines#11075 ([\#11392](https://github.com/kubeflow/pipelines/issues/11392)) ([6ebf4aa](https://github.com/kubeflow/pipelines/commit/6ebf4aae0335424d3bc88175fd06a2b2ba05251f))
+* **tests:** remove redundant integration test wf ([\#11322](https://github.com/kubeflow/pipelines/issues/11322)) ([6a35ee5](https://github.com/kubeflow/pipelines/commit/6a35ee5144fba1c72badc7c52161d8a49f34804e))
+* **ui:** Disable GKE Metadata as default Fixes: [\#11247](https://github.com/kubeflow/pipelines/issues/11247), fixes [\#11260](https://github.com/kubeflow/pipelines/issues/11260)  ([\#11403](https://github.com/kubeflow/pipelines/issues/11403)) ([23f718d](https://github.com/kubeflow/pipelines/commit/23f718d02e402bad5c9da1a3d76da5c4a97743b3))
+* **ui:** Fixes V1 Run detail unnecessary reloading. Fixes [\#10590](https://github.com/kubeflow/pipelines/issues/10590) ([\#11214](https://github.com/kubeflow/pipelines/issues/11214)) ([eee095e](https://github.com/kubeflow/pipelines/commit/eee095e5c8d53c0eae45165f72549afe5a5cb0e3))
+* **workflows:** patch reversed launcher / driver in workflow matrix ([\#11238](https://github.com/kubeflow/pipelines/issues/11238)) ([ceeda01](https://github.com/kubeflow/pipelines/commit/ceeda01d0a35bd84b79d8f2e7aa2e029cb1de06b))
+
+
+### Other Pull Requests
+
+* switch release/api generator images to ghcr ([\#11528](https://github.com/kubeflow/pipelines/issues/11528)) ([\#11530](https://github.com/kubeflow/pipelines/issues/11530)) ([33fca73](https://github.com/kubeflow/pipelines/commit/33fca73fd6f96751db3c7e2c4795acfc7980b649))
+* add remaining dockerfiles to build workflow ([\#11522](https://github.com/kubeflow/pipelines/issues/11522)) ([682d3ac](https://github.com/kubeflow/pipelines/commit/682d3aca5fb92622fb6a1cd94e5984fea4d90471))
+* Fix the failing exit handler SDK execution tests ([\#11519](https://github.com/kubeflow/pipelines/issues/11519)) ([8bce9c4](https://github.com/kubeflow/pipelines/commit/8bce9c4ef6b047d3b71206a97f66ca567e1a7e4f))
+* nominate reviewers for backend ([\#11508](https://github.com/kubeflow/pipelines/issues/11508)) ([56e6116](https://github.com/kubeflow/pipelines/commit/56e6116d054898f8dbe73990da3836e10e8b7523))
+* nominate approver & reviewer for backend ([\#11507](https://github.com/kubeflow/pipelines/issues/11507)) ([81ebd7f](https://github.com/kubeflow/pipelines/commit/81ebd7ff9b0376c44928f2398f48196e38d92cd3))
+* feat[frontend]: implement artifact-repositories configmap support ([\#11354](https://github.com/kubeflow/pipelines/issues/11354)) ([467f30c](https://github.com/kubeflow/pipelines/commit/467f30cf613ecfe181e7bf9c03cb2eef7ae1ea2d))
+* Add-Create-Experiment-button-when-selecting-experiement-final ([\#11332](https://github.com/kubeflow/pipelines/issues/11332)) ([c5f162d](https://github.com/kubeflow/pipelines/commit/c5f162d552e5ae405689066736acf730b9147606))
+* adding chore as a new template. Fixes [\#11263](https://github.com/kubeflow/pipelines/issues/11263) ([\#11317](https://github.com/kubeflow/pipelines/issues/11317)) ([f256d86](https://github.com/kubeflow/pipelines/commit/f256d86fbb9bfff0388cd6ef9df1120e49e995d8))
+* correct lastrun unittest timestamps ([\#11270](https://github.com/kubeflow/pipelines/issues/11270)) ([6f6c8ae](https://github.com/kubeflow/pipelines/commit/6f6c8aeda9d5c219e2958df94dce93ca5a88a6ea))
+* replaced deprecated image repos with registry.k8s.io ([\#11152](https://github.com/kubeflow/pipelines/issues/11152)) ([d23b72b](https://github.com/kubeflow/pipelines/commit/d23b72bf12f55f123a16f53eb35d061180ad9ac4))
+
 ## [2.3.0](https://github.com/kubeflow/pipelines/compare/2.2.0...2.3.0) (2024-09-06)
 
 
diff --git a/VERSION b/VERSION
index cc6612c36e0..9183195ace7 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.3.0
\ No newline at end of file
+2.4.0
\ No newline at end of file
diff --git a/backend/api/v1beta1/python_http_client/.gitlab-ci.yml b/backend/api/v1beta1/python_http_client/.gitlab-ci.yml
new file mode 100644
index 00000000000..1098a4acf21
--- /dev/null
+++ b/backend/api/v1beta1/python_http_client/.gitlab-ci.yml
@@ -0,0 +1,33 @@
+# ref: https://docs.gitlab.com/ee/ci/README.html
+
+stages:
+  - test
+
+.nosetest:
+  stage: test
+  script:
+   - pip install -r requirements.txt
+   - pip install -r test-requirements.txt
+   - pytest --cov=kfp_server_api
+
+nosetest-2.7:
+  extends: .nosetest
+  image: python:2.7-alpine
+nosetest-3.3:
+  extends: .nosetest
+  image: python:3.3-alpine
+nosetest-3.4:
+  extends: .nosetest
+  image: python:3.4-alpine
+nosetest-3.5:
+  extends: .nosetest
+  image: python:3.5-alpine
+nosetest-3.6:
+  extends: .nosetest
+  image: python:3.6-alpine
+nosetest-3.7:
+  extends: .nosetest
+  image: python:3.7-alpine
+nosetest-3.8:
+  extends: .nosetest
+  image: python:3.8-alpine
diff --git a/backend/api/v1beta1/python_http_client/.travis.yml b/backend/api/v1beta1/python_http_client/.travis.yml
new file mode 100644
index 00000000000..7f278fb3d11
--- /dev/null
+++ b/backend/api/v1beta1/python_http_client/.travis.yml
@@ -0,0 +1,17 @@
+# ref: https://docs.travis-ci.com/user/languages/python
+language: python
+python:
+  - "2.7"
+  - "3.2"
+  - "3.3"
+  - "3.4"
+  - "3.5"
+  - "3.6"
+  - "3.7"
+  - "3.8"
+# command to install dependencies
+install:
+  - "pip install -r requirements.txt"
+  - "pip install -r test-requirements.txt"
+# command to run tests
+script: pytest --cov=kfp_server_api
diff --git a/backend/api/v1beta1/python_http_client/README.md b/backend/api/v1beta1/python_http_client/README.md
index 86dec1e3d30..cbf4178476e 100644
--- a/backend/api/v1beta1/python_http_client/README.md
+++ b/backend/api/v1beta1/python_http_client/README.md
@@ -3,8 +3,8 @@ This file contains REST API specification for Kubeflow Pipelines. The file is au
 
 This Python package is automatically generated by the [OpenAPI Generator](https://openapi-generator.tech) project:
 
-- API version: 2.3.0
-- Package version: 2.3.0
+- API version: 2.4.0
+- Package version: 2.4.0
 - Build package: org.openapitools.codegen.languages.PythonClientCodegen
 For more information, please visit [https://www.google.com](https://www.google.com)
 
diff --git a/backend/api/v1beta1/python_http_client/kfp_server_api/__init__.py b/backend/api/v1beta1/python_http_client/kfp_server_api/__init__.py
index c9a01b93c74..2c5f997205a 100644
--- a/backend/api/v1beta1/python_http_client/kfp_server_api/__init__.py
+++ b/backend/api/v1beta1/python_http_client/kfp_server_api/__init__.py
@@ -14,7 +14,7 @@
 
 from __future__ import absolute_import
 
-__version__ = "2.3.0"
+__version__ = "2.4.0"
 
 # import apis into sdk package
 from kfp_server_api.api.experiment_service_api import ExperimentServiceApi
diff --git a/backend/api/v1beta1/python_http_client/kfp_server_api/api_client.py b/backend/api/v1beta1/python_http_client/kfp_server_api/api_client.py
index 1284a6c534b..769e3151bc5 100644
--- a/backend/api/v1beta1/python_http_client/kfp_server_api/api_client.py
+++ b/backend/api/v1beta1/python_http_client/kfp_server_api/api_client.py
@@ -78,7 +78,7 @@ def __init__(self, configuration=None, header_name=None, header_value=None,
             self.default_headers[header_name] = header_value
         self.cookie = cookie
         # Set default User-Agent.
-        self.user_agent = 'OpenAPI-Generator/2.3.0/python'
+        self.user_agent = 'OpenAPI-Generator/2.4.0/python'
         self.client_side_validation = configuration.client_side_validation
 
     def __enter__(self):
diff --git a/backend/api/v1beta1/python_http_client/kfp_server_api/configuration.py b/backend/api/v1beta1/python_http_client/kfp_server_api/configuration.py
index 769ee06dd82..bac549b75b7 100644
--- a/backend/api/v1beta1/python_http_client/kfp_server_api/configuration.py
+++ b/backend/api/v1beta1/python_http_client/kfp_server_api/configuration.py
@@ -351,8 +351,8 @@ def to_debug_report(self):
         return "Python SDK Debug Report:\n"\
                "OS: {env}\n"\
                "Python Version: {pyversion}\n"\
-               "Version of the API: 2.3.0\n"\
-               "SDK Package Version: 2.3.0".\
+               "Version of the API: 2.4.0\n"\
+               "SDK Package Version: 2.4.0".\
                format(env=sys.platform, pyversion=sys.version)
 
     def get_host_settings(self):
diff --git a/backend/api/v1beta1/python_http_client/setup.py b/backend/api/v1beta1/python_http_client/setup.py
index eafaadeeabd..961d7b7ab9f 100644
--- a/backend/api/v1beta1/python_http_client/setup.py
+++ b/backend/api/v1beta1/python_http_client/setup.py
@@ -13,7 +13,7 @@
 from setuptools import setup, find_packages  # noqa: H301
 
 NAME = "kfp-server-api"
-VERSION = "2.3.0"
+VERSION = "2.4.0"
 # To install the library, run the following
 #
 # python setup.py install
diff --git a/backend/api/v1beta1/swagger/kfp_api_single_file.swagger.json b/backend/api/v1beta1/swagger/kfp_api_single_file.swagger.json
index c74ed43f1b0..02ff00c2b3e 100644
--- a/backend/api/v1beta1/swagger/kfp_api_single_file.swagger.json
+++ b/backend/api/v1beta1/swagger/kfp_api_single_file.swagger.json
@@ -2,7 +2,7 @@
   "swagger": "2.0",
   "info": {
     "title": "Kubeflow Pipelines API",
-    "version": "2.3.0",
+    "version": "2.4.0",
     "description": "This file contains REST API specification for Kubeflow Pipelines. The file is autogenerated from the swagger definition.",
     "contact": {
       "name": "google",
diff --git a/backend/api/v2beta1/go_client/experiment.pb.go b/backend/api/v2beta1/go_client/experiment.pb.go
index 5b4e0a34e57..346cf9b9806 100644
--- a/backend/api/v2beta1/go_client/experiment.pb.go
+++ b/backend/api/v2beta1/go_client/experiment.pb.go
@@ -112,7 +112,7 @@ type Experiment struct {
 	Namespace string `protobuf:"bytes,5,opt,name=namespace,proto3" json:"namespace,omitempty"`
 	// Output. Specifies whether this experiment is in archived or available state.
 	StorageState Experiment_StorageState `protobuf:"varint,6,opt,name=storage_state,json=storageState,proto3,enum=kubeflow.pipelines.backend.api.v2beta1.Experiment_StorageState" json:"storage_state,omitempty"`
-	// Output. The time the created time of the last run in this experiment.
+	// Output. The creation time of the last run in this experiment.
 	LastRunCreatedAt *timestamppb.Timestamp `protobuf:"bytes,7,opt,name=last_run_created_at,json=lastRunCreatedAt,proto3" json:"last_run_created_at,omitempty"`
 }
 
@@ -606,153 +606,156 @@ var file_backend_api_v2beta1_experiment_proto_rawDesc = []byte{
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 }
 
 var (
diff --git a/backend/api/v2beta1/go_http_client/experiment_model/v2beta1_experiment.go b/backend/api/v2beta1/go_http_client/experiment_model/v2beta1_experiment.go
index e87c02f8e6e..8b809c17fa1 100644
--- a/backend/api/v2beta1/go_http_client/experiment_model/v2beta1_experiment.go
+++ b/backend/api/v2beta1/go_http_client/experiment_model/v2beta1_experiment.go
@@ -30,7 +30,7 @@ type V2beta1Experiment struct {
 	// Output. Unique experiment ID. Generated by API server.
 	ExperimentID string `json:"experiment_id,omitempty"`
 
-	// Output. The time the created time of the last run in this experiment.
+	// Output. The creation time of the last run in this experiment.
 	// Format: date-time
 	LastRunCreatedAt strfmt.DateTime `json:"last_run_created_at,omitempty"`
 
diff --git a/backend/api/v2beta1/python_http_client/.gitlab-ci.yml b/backend/api/v2beta1/python_http_client/.gitlab-ci.yml
new file mode 100644
index 00000000000..1098a4acf21
--- /dev/null
+++ b/backend/api/v2beta1/python_http_client/.gitlab-ci.yml
@@ -0,0 +1,33 @@
+# ref: https://docs.gitlab.com/ee/ci/README.html
+
+stages:
+  - test
+
+.nosetest:
+  stage: test
+  script:
+   - pip install -r requirements.txt
+   - pip install -r test-requirements.txt
+   - pytest --cov=kfp_server_api
+
+nosetest-2.7:
+  extends: .nosetest
+  image: python:2.7-alpine
+nosetest-3.3:
+  extends: .nosetest
+  image: python:3.3-alpine
+nosetest-3.4:
+  extends: .nosetest
+  image: python:3.4-alpine
+nosetest-3.5:
+  extends: .nosetest
+  image: python:3.5-alpine
+nosetest-3.6:
+  extends: .nosetest
+  image: python:3.6-alpine
+nosetest-3.7:
+  extends: .nosetest
+  image: python:3.7-alpine
+nosetest-3.8:
+  extends: .nosetest
+  image: python:3.8-alpine
diff --git a/backend/api/v2beta1/python_http_client/.travis.yml b/backend/api/v2beta1/python_http_client/.travis.yml
new file mode 100644
index 00000000000..7f278fb3d11
--- /dev/null
+++ b/backend/api/v2beta1/python_http_client/.travis.yml
@@ -0,0 +1,17 @@
+# ref: https://docs.travis-ci.com/user/languages/python
+language: python
+python:
+  - "2.7"
+  - "3.2"
+  - "3.3"
+  - "3.4"
+  - "3.5"
+  - "3.6"
+  - "3.7"
+  - "3.8"
+# command to install dependencies
+install:
+  - "pip install -r requirements.txt"
+  - "pip install -r test-requirements.txt"
+# command to run tests
+script: pytest --cov=kfp_server_api
diff --git a/backend/api/v2beta1/python_http_client/README.md b/backend/api/v2beta1/python_http_client/README.md
index 5ad39472552..9ce0492a0ab 100644
--- a/backend/api/v2beta1/python_http_client/README.md
+++ b/backend/api/v2beta1/python_http_client/README.md
@@ -3,8 +3,8 @@ This file contains REST API specification for Kubeflow Pipelines. The file is au
 
 This Python package is automatically generated by the [OpenAPI Generator](https://openapi-generator.tech) project:
 
-- API version: 2.3.0
-- Package version: 2.3.0
+- API version: 2.4.0
+- Package version: 2.4.0
 - Build package: org.openapitools.codegen.languages.PythonClientCodegen
 For more information, please visit [https://www.google.com](https://www.google.com)
 
diff --git a/backend/api/v2beta1/python_http_client/docs/V2beta1Experiment.md b/backend/api/v2beta1/python_http_client/docs/V2beta1Experiment.md
index 6db29f6e900..7711a85b6fd 100644
--- a/backend/api/v2beta1/python_http_client/docs/V2beta1Experiment.md
+++ b/backend/api/v2beta1/python_http_client/docs/V2beta1Experiment.md
@@ -9,6 +9,7 @@ Name | Type | Description | Notes
 **created_at** | **datetime** | Output. The time that the experiment was created. | [optional] 
 **namespace** | **str** | Optional input field. Specify the namespace this experiment belongs to. | [optional] 
 **storage_state** | [**V2beta1ExperimentStorageState**](V2beta1ExperimentStorageState.md) |  | [optional] 
+**last_run_created_at** | **datetime** | Output. The creation time of the last run in this experiment. | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
 
diff --git a/backend/api/v2beta1/python_http_client/kfp_server_api/__init__.py b/backend/api/v2beta1/python_http_client/kfp_server_api/__init__.py
index 5c3979e90f7..3eb19ad154c 100644
--- a/backend/api/v2beta1/python_http_client/kfp_server_api/__init__.py
+++ b/backend/api/v2beta1/python_http_client/kfp_server_api/__init__.py
@@ -14,7 +14,7 @@
 
 from __future__ import absolute_import
 
-__version__ = "2.3.0"
+__version__ = "2.4.0"
 
 # import apis into sdk package
 from kfp_server_api.api.auth_service_api import AuthServiceApi
diff --git a/backend/api/v2beta1/python_http_client/kfp_server_api/api_client.py b/backend/api/v2beta1/python_http_client/kfp_server_api/api_client.py
index 1284a6c534b..769e3151bc5 100644
--- a/backend/api/v2beta1/python_http_client/kfp_server_api/api_client.py
+++ b/backend/api/v2beta1/python_http_client/kfp_server_api/api_client.py
@@ -78,7 +78,7 @@ def __init__(self, configuration=None, header_name=None, header_value=None,
             self.default_headers[header_name] = header_value
         self.cookie = cookie
         # Set default User-Agent.
-        self.user_agent = 'OpenAPI-Generator/2.3.0/python'
+        self.user_agent = 'OpenAPI-Generator/2.4.0/python'
         self.client_side_validation = configuration.client_side_validation
 
     def __enter__(self):
diff --git a/backend/api/v2beta1/python_http_client/kfp_server_api/configuration.py b/backend/api/v2beta1/python_http_client/kfp_server_api/configuration.py
index 769ee06dd82..bac549b75b7 100644
--- a/backend/api/v2beta1/python_http_client/kfp_server_api/configuration.py
+++ b/backend/api/v2beta1/python_http_client/kfp_server_api/configuration.py
@@ -351,8 +351,8 @@ def to_debug_report(self):
         return "Python SDK Debug Report:\n"\
                "OS: {env}\n"\
                "Python Version: {pyversion}\n"\
-               "Version of the API: 2.3.0\n"\
-               "SDK Package Version: 2.3.0".\
+               "Version of the API: 2.4.0\n"\
+               "SDK Package Version: 2.4.0".\
                format(env=sys.platform, pyversion=sys.version)
 
     def get_host_settings(self):
diff --git a/backend/api/v2beta1/python_http_client/kfp_server_api/models/v2beta1_experiment.py b/backend/api/v2beta1/python_http_client/kfp_server_api/models/v2beta1_experiment.py
index 50247e1052c..a0a62d98863 100644
--- a/backend/api/v2beta1/python_http_client/kfp_server_api/models/v2beta1_experiment.py
+++ b/backend/api/v2beta1/python_http_client/kfp_server_api/models/v2beta1_experiment.py
@@ -38,7 +38,8 @@ class V2beta1Experiment(object):
         'description': 'str',
         'created_at': 'datetime',
         'namespace': 'str',
-        'storage_state': 'V2beta1ExperimentStorageState'
+        'storage_state': 'V2beta1ExperimentStorageState',
+        'last_run_created_at': 'datetime'
     }
 
     attribute_map = {
@@ -47,10 +48,11 @@ class V2beta1Experiment(object):
         'description': 'description',
         'created_at': 'created_at',
         'namespace': 'namespace',
-        'storage_state': 'storage_state'
+        'storage_state': 'storage_state',
+        'last_run_created_at': 'last_run_created_at'
     }
 
-    def __init__(self, experiment_id=None, display_name=None, description=None, created_at=None, namespace=None, storage_state=None, local_vars_configuration=None):  # noqa: E501
+    def __init__(self, experiment_id=None, display_name=None, description=None, created_at=None, namespace=None, storage_state=None, last_run_created_at=None, local_vars_configuration=None):  # noqa: E501
         """V2beta1Experiment - a model defined in OpenAPI"""  # noqa: E501
         if local_vars_configuration is None:
             local_vars_configuration = Configuration()
@@ -62,6 +64,7 @@ def __init__(self, experiment_id=None, display_name=None, description=None, crea
         self._created_at = None
         self._namespace = None
         self._storage_state = None
+        self._last_run_created_at = None
         self.discriminator = None
 
         if experiment_id is not None:
@@ -76,6 +79,8 @@ def __init__(self, experiment_id=None, display_name=None, description=None, crea
             self.namespace = namespace
         if storage_state is not None:
             self.storage_state = storage_state
+        if last_run_created_at is not None:
+            self.last_run_created_at = last_run_created_at
 
     @property
     def experiment_id(self):
@@ -213,6 +218,29 @@ def storage_state(self, storage_state):
 
         self._storage_state = storage_state
 
+    @property
+    def last_run_created_at(self):
+        """Gets the last_run_created_at of this V2beta1Experiment.  # noqa: E501
+
+        Output. The creation time of the last run in this experiment.  # noqa: E501
+
+        :return: The last_run_created_at of this V2beta1Experiment.  # noqa: E501
+        :rtype: datetime
+        """
+        return self._last_run_created_at
+
+    @last_run_created_at.setter
+    def last_run_created_at(self, last_run_created_at):
+        """Sets the last_run_created_at of this V2beta1Experiment.
+
+        Output. The creation time of the last run in this experiment.  # noqa: E501
+
+        :param last_run_created_at: The last_run_created_at of this V2beta1Experiment.  # noqa: E501
+        :type last_run_created_at: datetime
+        """
+
+        self._last_run_created_at = last_run_created_at
+
     def to_dict(self):
         """Returns the model properties as a dict"""
         result = {}
diff --git a/backend/api/v2beta1/python_http_client/setup.py b/backend/api/v2beta1/python_http_client/setup.py
index eafaadeeabd..961d7b7ab9f 100644
--- a/backend/api/v2beta1/python_http_client/setup.py
+++ b/backend/api/v2beta1/python_http_client/setup.py
@@ -13,7 +13,7 @@
 from setuptools import setup, find_packages  # noqa: H301
 
 NAME = "kfp-server-api"
-VERSION = "2.3.0"
+VERSION = "2.4.0"
 # To install the library, run the following
 #
 # python setup.py install
diff --git a/backend/api/v2beta1/python_http_client/test/test_v2beta1_experiment.py b/backend/api/v2beta1/python_http_client/test/test_v2beta1_experiment.py
index c9501af386b..0552584ca16 100644
--- a/backend/api/v2beta1/python_http_client/test/test_v2beta1_experiment.py
+++ b/backend/api/v2beta1/python_http_client/test/test_v2beta1_experiment.py
@@ -41,7 +41,8 @@ def make_instance(self, include_optional):
                 description = '0', 
                 created_at = datetime.datetime.strptime('2013-10-20 19:20:30.00', '%Y-%m-%d %H:%M:%S.%f'), 
                 namespace = '0', 
-                storage_state = 'STORAGE_STATE_UNSPECIFIED'
+                storage_state = 'STORAGE_STATE_UNSPECIFIED', 
+                last_run_created_at = datetime.datetime.strptime('2013-10-20 19:20:30.00', '%Y-%m-%d %H:%M:%S.%f')
             )
         else :
             return V2beta1Experiment(
diff --git a/backend/api/v2beta1/python_http_client/test/test_v2beta1_list_experiments_response.py b/backend/api/v2beta1/python_http_client/test/test_v2beta1_list_experiments_response.py
index 6f24b275fb1..b67c7c0f2b2 100644
--- a/backend/api/v2beta1/python_http_client/test/test_v2beta1_list_experiments_response.py
+++ b/backend/api/v2beta1/python_http_client/test/test_v2beta1_list_experiments_response.py
@@ -43,7 +43,8 @@ def make_instance(self, include_optional):
                         description = '0', 
                         created_at = datetime.datetime.strptime('2013-10-20 19:20:30.00', '%Y-%m-%d %H:%M:%S.%f'), 
                         namespace = '0', 
-                        storage_state = 'STORAGE_STATE_UNSPECIFIED', )
+                        storage_state = 'STORAGE_STATE_UNSPECIFIED', 
+                        last_run_created_at = datetime.datetime.strptime('2013-10-20 19:20:30.00', '%Y-%m-%d %H:%M:%S.%f'), )
                     ], 
                 total_size = 56, 
                 next_page_token = '0'
diff --git a/backend/api/v2beta1/swagger/experiment.swagger.json b/backend/api/v2beta1/swagger/experiment.swagger.json
index a77eaa91104..49b32a49735 100644
--- a/backend/api/v2beta1/swagger/experiment.swagger.json
+++ b/backend/api/v2beta1/swagger/experiment.swagger.json
@@ -303,7 +303,7 @@
         "last_run_created_at": {
           "type": "string",
           "format": "date-time",
-          "description": "Output. The time the created time of the last run in this experiment."
+          "description": "Output. The creation time of the last run in this experiment."
         }
       }
     },
diff --git a/backend/api/v2beta1/swagger/kfp_api_single_file.swagger.json b/backend/api/v2beta1/swagger/kfp_api_single_file.swagger.json
index 3b7a86a69db..37ac61bdb21 100644
--- a/backend/api/v2beta1/swagger/kfp_api_single_file.swagger.json
+++ b/backend/api/v2beta1/swagger/kfp_api_single_file.swagger.json
@@ -2,7 +2,7 @@
   "swagger": "2.0",
   "info": {
     "title": "Kubeflow Pipelines API",
-    "version": "2.3.0",
+    "version": "2.4.0",
     "description": "This file contains REST API specification for Kubeflow Pipelines. The file is autogenerated from the swagger definition.",
     "contact": {
       "name": "google",
@@ -1617,7 +1617,7 @@
         "last_run_created_at": {
           "type": "string",
           "format": "date-time",
-          "description": "Output. The time the created time of the last run in this experiment."
+          "description": "Output. The creation time of the last run in this experiment."
         }
       }
     },
diff --git a/manifests/gcp_marketplace/chart/kubeflow-pipelines/templates/application.yaml b/manifests/gcp_marketplace/chart/kubeflow-pipelines/templates/application.yaml
index 02fecf36fba..ed7b566c6d3 100644
--- a/manifests/gcp_marketplace/chart/kubeflow-pipelines/templates/application.yaml
+++ b/manifests/gcp_marketplace/chart/kubeflow-pipelines/templates/application.yaml
@@ -12,7 +12,7 @@ metadata:
 spec:
   descriptor:
     type: Kubeflow Pipelines
-    version: 2.3.0
+    version: 2.4.0
     description: |-
       Reusable end-to-end ML workflow
     maintainers:
diff --git a/manifests/gcp_marketplace/schema.yaml b/manifests/gcp_marketplace/schema.yaml
index 7be834a0473..702c69e43f8 100644
--- a/manifests/gcp_marketplace/schema.yaml
+++ b/manifests/gcp_marketplace/schema.yaml
@@ -1,9 +1,9 @@
 x-google-marketplace:
   schemaVersion: v2
   applicationApiVersion: v1beta1
-  publishedVersion: 2.3.0
+  publishedVersion: 2.4.0
   publishedVersionMetadata:
-    releaseNote: Based on 2.3.0 version.
+    releaseNote: Based on 2.4.0 version.
     releaseTypes:
       - Feature
     recommended: false
diff --git a/manifests/kustomize/base/installs/generic/pipeline-install-config.yaml b/manifests/kustomize/base/installs/generic/pipeline-install-config.yaml
index 8f0c72086cb..6a5acf2e4a1 100644
--- a/manifests/kustomize/base/installs/generic/pipeline-install-config.yaml
+++ b/manifests/kustomize/base/installs/generic/pipeline-install-config.yaml
@@ -11,7 +11,7 @@ data:
     until the changes take effect. A quick way to restart all deployments in a
     namespace: `kubectl rollout restart deployment -n <your-namespace>`.
   appName: pipeline
-  appVersion: 2.3.0
+  appVersion: 2.4.0
   dbHost: mysql # relic to be removed after release
   dbPort: "3306" # relic to be removed after release
   dbType: mysql