ci: drop eol argo 3.6 lane

Signed-off-by: Jeff Spahr <spahrj@gmail.com>

Author: jeffspahr

.github/workflows/api-server-tests.yml

@@ -66,16 +66,13 @@ jobs:
         k8s_version: [ "v1.34.0" ]
         cache_enabled: [ "true", "false" ]
         proxy: [ "true", "false" ]
-        argo_version: [ "v3.7.3", "v3.6.19", "v4.0.5" ]
+        argo_version: [ "v3.7.14", "v4.0.5" ]
         pipeline_store: [ "database" ]
         pod_to_pod_tls_enabled: [ "false" ]
         include:
           - k8s_version: "v1.29.2"
             cache_enabled: "true"
-            argo_version: "v3.7.3"
-          - k8s_version: "v1.29.2"
-            cache_enabled: "true"
-            argo_version: "v3.6.19"
+            argo_version: "v3.7.14"
           - k8s_version: "v1.29.2"
             cache_enabled: "true"
             argo_version: "v4.0.5"
@@ -170,7 +167,7 @@ jobs:
         k8s_version: [ "v1.34.0", "v1.29.2" ]
         cache_enabled: [ "true" ]
         uploadPipelinesWithKubernetesClient: [ "true", "false" ]
-        argo_version: [ "v3.7.3", "v3.6.19", "v4.0.5" ]
+        argo_version: [ "v3.7.14", "v4.0.5" ]
         pipeline_store: [ "kubernetes" ]
         pod_to_pod_tls_enabled: [ "false" ]
         include:

.github/workflows/e2e-test.yml

@@ -63,14 +63,14 @@ jobs:
       matrix:
         k8s_version: ["v1.34.0"]
         cache_enabled: ["true", "false"]
-        argo_version: [ "v3.7.3", "v3.6.19", "v4.0.5" ]
+        argo_version: [ "v3.7.14", "v4.0.5" ]
         proxy: [ "false" ]
         test_label: [ "E2ECritical", "E2EEssential", "E2EParallelNested" ]
         pod_to_pod_tls_enabled: [ "false" ]
         include:
           - k8s_version: "v1.29.2"
             cache_enabled: "false"
-            argo_version: "v3.6.19"
+            argo_version: "v3.7.14"
             test_label: "E2ECritical"
           - k8s_version: "v1.34.0"
             cache_enabled: "false"

AGENTS.md

@@ -525,7 +525,7 @@ When changing an effect-heavy frontend component, add or run the smallest releva
   - Examples: `e2e-test.yml`, `sdk-execution.yml`, `upgrade-test.yml`, `kfp-kubernetes-execution-tests.yml`, `kfp-webhooks.yml`, `api-server-tests.yml`, `compiler-tests.yml`, `legacy-v2-api-integration-tests.yml`, `integration-tests-v1.yml`, and frontend integration in `e2e-test-frontend.yml`.
 - Pipeline store variants (v2 engine): tests run with `database` and `kubernetes` stores, and a dedicated job compiles pipelines to Kubernetes-native manifests.
   - Example: `e2e-test.yml` job "API integration tests v2 - K8s with ${pipeline_store}" and "compile pipelines with Kubernetes".
-- Argo Workflows version matrix for compatibility (where relevant): `e2e-test.yml` exercises `v3.6.19`, `v3.7.3`, and `v4.0.5` across the standard cache/test-label matrix, while `api-server-tests.yml` covers standalone and Kubernetes-native Argo compatibility across the standard matrices (with standalone low-Kubernetes spot lanes per supported Argo version).
+- Argo Workflows version matrix for compatibility (where relevant): `e2e-test.yml` exercises `v3.7.14` and `v4.0.5` across the standard cache/test-label matrix, while `api-server-tests.yml` covers standalone and Kubernetes-native Argo compatibility across the standard matrices (with standalone low-Kubernetes spot lanes per supported Argo version).
 - Proxy / cache toggles: dedicated jobs run with HTTP proxy enabled and with execution cache disabled to validate those modes.
 - Artifacts: failing logs and test outputs are uploaded as workflow artifacts for debugging.
 

README.md

@@ -28,7 +28,7 @@ The Kubeflow pipelines service has the following goals:
 
 | Dependency     | Versions         |
 | -------------- |------------------|
-| Argo Workflows | v3.6, v3.7, v4.0 |
+| Argo Workflows | v3.7, v4.0 |
 | MySQL          | v8               |
 
 ## Documentation