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Controller and server not starting after upgrade from 4.0.3 to 4.1.2

type/regressionRegression from previous behavior (a specific type of bug)Regression from previous behavior (a specific type of bug)

Status: Open.

Bug

#16842 In argoproj/argo-workflows;

· martijnremmen opened on Aug 31, 2026

argo archive get ignores --namespace, breaking SSO RBAC namespace delegation

Status: Open.

Bug

#16822 In argoproj/argo-workflows;

· gpomykala opened on Aug 26, 2026

Archived workflow pagination with label filters times out and returns HTTP 500 at moderate offsets

Status: Open.

Bug

#16815 In argoproj/argo-workflows;

· gpomykala opened on Aug 25, 2026

Group workflow templates by label in the Submit Workflow UI

Status: Open.

Feature

#16799 In argoproj/argo-workflows;

· Hayder-alobaidi opened on Aug 21, 2026

feat(ui): populate parameter dropdowns dynamically from Kubernetes resources (dynamic enum)

Status: Open.

Feature

#16795 In argoproj/argo-workflows;

· lwarratz opened on Aug 21, 2026

Retrieving the value of skipped steps (using withParam) causes the entire workflow to hang, but it doesn't throw an error

Status: Open.

Bug

#16793 In argoproj/argo-workflows;

· yajun-L opened on Aug 21, 2026

Artifact plugin: socket dir created after the plugin server starts, so bind() races and the load hangs 120s — also the cause of intermittent test-examples failures

Status: Open.

Bug

#16784 In argoproj/argo-workflows;

· myzk-a opened on Aug 20, 2026

Database semaphore rows are leaked when the controller's DB session breaks, with no recovery path (manual SQL is the only fix)

Status: Open.

#16772 In argoproj/argo-workflows;

· zelig81 opened on Aug 20, 2026

SessionProxy never reconnects after retries are exhausted — a transient DB outage disables the archive and semaphore locking until restart

Status: Open.

#16771 In argoproj/argo-workflows;

· zelig81 opened on Aug 20, 2026

proposal: WorkflowAction CRD for controller-performed workflow actions

area/controllerController issues, panicsController issues, panics

area/server

area/shutdownShutdown Strategy: Stop and TerminateShutdown Strategy: Stop and Terminate

area/suspend-resumeSuspending and resuming workflowsSuspending and resuming workflows

Status: Open.

Feature

#16741 In argoproj/argo-workflows;

· Joibel opened on Aug 17, 2026

Multi-controller sync: CheckWorkflowExistence deletes other controllers' pending queue entries

good first issueGood for newcomersGood for newcomers

Status: Open.

Bug

#16737 In argoproj/argo-workflows;

· Joibel opened on Aug 17, 2026

resourceName override on ResourceTemplate to support CRDs with irregular plural

Status: Open.

Feature

#16732 In argoproj/argo-workflows;

· pcandido opened on Aug 16, 2026