coder
diff --git a/‎cli/testdata/coder_list_--output_json.golden
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diff --git a/‎coderd/apidoc/docs.go
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diff --git a/‎coderd/apidoc/swagger.json
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diff --git a/‎coderd/coderd.go
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diff --git a/‎coderd/database/dbmem/dbmem.go
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diff --git a/‎coderd/database/dump.sql
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diff --git a/‎coderd/database/migrations/000334_dynamic_parameters_opt_out.down.sql
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diff --git a/`‎coderd/database/migrations/000334_dynamic_parameters_opt_out.up.sql` b/`‎coderd/database/migrations/000334_dynamic_parameters_opt_out.up.sql`
diff --git a/‎coderd/parameters_test.go
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diff --git a/‎coderd/templates_test.go
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diff --git a/‎coderd/workspacebuilds.go
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diff --git a/‎coderd/workspaces.go
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diff --git a/‎coderd/wsbuilder/wsbuilder.go
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diff --git a/‎coderd/wsbuilder/wsbuilder_test.go
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diff --git a/‎codersdk/deployment.go
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diff --git a/‎docs/reference/api/schemas.md
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diff --git a/‎enterprise/coderd/parameters_test.go
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diff --git a/‎enterprise/coderd/workspaces_test.go
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diff --git a/‎site/src/api/typesGenerated.ts
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diff --git a/‎site/src/modules/workspaces/DynamicParameter/useDynamicParametersOptOut.ts
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diff --git a/‎site/src/modules/workspaces/WorkspaceMoreActions/WorkspaceMoreActions.tsx
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diff --git a/‎site/src/modules/workspaces/WorkspaceUpdateDialogs.tsx
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Lines changed: 4 additions & 12 deletions
@@ -15,7 +15,7 @@
     "template_allow_user_cancel_workspace_jobs": false,
     "template_active_version_id": "============[version ID]============",
     "template_require_active_version": false,
-    "template_use_classic_parameter_flow": false,
+    "template_use_classic_parameter_flow": true,
     "latest_build": {
       "id": "========[workspace build ID]========",
       "created_at": "====[timestamp]=====",
 
@@ -1153,9 +1153,6 @@ func New(options *Options) *API {
 			})
 
 			r.Group(func(r chi.Router) {
-				r.Use(
-					httpmw.RequireExperiment(api.Experiments, codersdk.ExperimentDynamicParameters),
-				)
 				r.Route("/dynamic-parameters", func(r chi.Router) {
 					r.Post("/evaluate", api.templateVersionDynamicParametersEvaluate)
 					r.Get("/", api.templateVersionDynamicParametersWebsocket)
 
@@ -9345,6 +9345,7 @@ func (q *FakeQuerier) InsertTemplate(_ context.Context, arg database.InsertTempl
 		AllowUserAutostart:           true,
 		AllowUserAutostop:            true,
 		MaxPortSharingLevel:          arg.MaxPortSharingLevel,
+		UseClassicParameterFlow:      true,
 	}
 	q.templates = append(q.templates, template)
 	return nil
 
@@ -0,0 +1,3 @@
+ALTER TABLE templates ALTER COLUMN use_classic_parameter_flow SET DEFAULT false;
+
+UPDATE templates SET use_classic_parameter_flow = false
@@ -0,0 +1,4 @@
+-- All templates should opt out of dynamic parameters by default.
+ALTER TABLE templates ALTER COLUMN use_classic_parameter_flow SET DEFAULT true;
+
+UPDATE templates SET use_classic_parameter_flow = true
@@ -29,9 +29,7 @@ import (
 func TestDynamicParametersOwnerSSHPublicKey(t *testing.T) {
 	t.Parallel()
 
-	cfg := coderdtest.DeploymentValues(t)
-	cfg.Experiments = []string{string(codersdk.ExperimentDynamicParameters)}
-	ownerClient := coderdtest.New(t, &coderdtest.Options{IncludeProvisionerDaemon: true, DeploymentValues: cfg})
+	ownerClient := coderdtest.New(t, &coderdtest.Options{IncludeProvisionerDaemon: true})
 	owner := coderdtest.CreateFirstUser(t, ownerClient)
 	templateAdmin, _ := coderdtest.CreateAnotherUser(t, ownerClient, owner.OrganizationID, rbac.RoleTemplateAdmin())
 
@@ -354,14 +352,11 @@ type dynamicParamsTest struct {
 }
 
 func setupDynamicParamsTest(t *testing.T, args setupDynamicParamsTestParams) dynamicParamsTest {
-	cfg := coderdtest.DeploymentValues(t)
-	cfg.Experiments = []string{string(codersdk.ExperimentDynamicParameters)}
 	ownerClient, _, api := coderdtest.NewWithAPI(t, &coderdtest.Options{
 		Database:                 args.db,
 		Pubsub:                   args.ps,
 		IncludeProvisionerDaemon: true,
 		ProvisionerDaemonVersion: args.provisionerDaemonVersion,
-		DeploymentValues:         cfg,
 	})
 
 	owner := coderdtest.CreateFirstUser(t, ownerClient)
@@ -384,6 +379,12 @@ func setupDynamicParamsTest(t *testing.T, args setupDynamicParamsTestParams) dyn
 	coderdtest.AwaitTemplateVersionJobCompleted(t, templateAdmin, version.ID)
 	tpl := coderdtest.CreateTemplate(t, templateAdmin, owner.OrganizationID, version.ID)
 
+	var err error
+	tpl, err = templateAdmin.UpdateTemplateMeta(t.Context(), tpl.ID, codersdk.UpdateTemplateMeta{
+		UseClassicParameterFlow: ptr.Ref(false),
+	})
+	require.NoError(t, err)
+
 	ctx := testutil.Context(t, testutil.WaitShort)
 	stream, err := templateAdmin.TemplateVersionDynamicParameters(ctx, version.ID)
 	if args.expectWebsocketError {
 
@@ -1548,7 +1548,7 @@ func TestPatchTemplateMeta(t *testing.T) {
 		user := coderdtest.CreateFirstUser(t, client)
 		version := coderdtest.CreateTemplateVersion(t, client, user.OrganizationID, nil)
 		template := coderdtest.CreateTemplate(t, client, user.OrganizationID, version.ID)
-		require.False(t, template.UseClassicParameterFlow, "default is false")
+		require.True(t, template.UseClassicParameterFlow, "default is true")
 
 		bTrue := true
 		bFalse := false
 
@@ -384,20 +384,8 @@ func (api *API) postWorkspaceBuilds(rw http.ResponseWriter, r *http.Request) {
 			builder = builder.State(createBuild.ProvisionerState)
 		}
 
-		// Only defer to dynamic parameters if the experiment is enabled.
-		if api.Experiments.Enabled(codersdk.ExperimentDynamicParameters) {
-			if createBuild.EnableDynamicParameters != nil {
-				// Explicit opt-in
-				builder = builder.DynamicParameters(*createBuild.EnableDynamicParameters)
-			}
-		} else {
-			if createBuild.EnableDynamicParameters != nil {
-				api.Logger.Warn(ctx, "ignoring dynamic parameter field sent by request, the experiment is not enabled",
-					slog.F("field", *createBuild.EnableDynamicParameters),
-					slog.F("user", apiKey.UserID.String()),
-					slog.F("transition", string(createBuild.Transition)),
-				)
-			}
+		if createBuild.EnableDynamicParameters != nil {
+			builder = builder.DynamicParameters(*createBuild.EnableDynamicParameters)
 		}
 
 		workspaceBuild, provisionerJob, provisionerDaemons, err = builder.Build(
 
@@ -717,7 +717,7 @@ func createWorkspace(
 			builder = builder.MarkPrebuiltWorkspaceClaim()
 		}
 
-		if req.EnableDynamicParameters && api.Experiments.Enabled(codersdk.ExperimentDynamicParameters) {
+		if req.EnableDynamicParameters {
 			builder = builder.DynamicParameters(req.EnableDynamicParameters)
 		}
 
 
@@ -1042,8 +1042,15 @@ func (b *Builder) checkRunningBuild() error {
 }
 
 func (b *Builder) usingDynamicParameters() bool {
-	if !b.experiments.Enabled(codersdk.ExperimentDynamicParameters) {
-		// Experiment required
+	if b.dynamicParametersEnabled != nil {
+		return *b.dynamicParametersEnabled
+	}
+
+	tpl, err := b.getTemplate()
+	if err != nil {
+		return false // Let another part of the code get this error
+	}
+	if tpl.UseClassicParameterFlow {
 		return false
 	}
 
@@ -1056,15 +1063,7 @@ func (b *Builder) usingDynamicParameters() bool {
 		return false
 	}
 
-	if b.dynamicParametersEnabled != nil {
-		return *b.dynamicParametersEnabled
-	}
-
-	tpl, err := b.getTemplate()
-	if err != nil {
-		return false // Let another part of the code get this error
-	}
-	return !tpl.UseClassicParameterFlow
+	return true
 }
 
 func ProvisionerVersionSupportsDynamicParameters(version string) bool {
 
@@ -894,10 +894,11 @@ func withTemplate(mTx *dbmock.MockStore) {
 	mTx.EXPECT().GetTemplateByID(gomock.Any(), templateID).
 		Times(1).
 		Return(database.Template{
-			ID:              templateID,
-			OrganizationID:  orgID,
-			Provisioner:     database.ProvisionerTypeTerraform,
-			ActiveVersionID: activeVersionID,
+			ID:                      templateID,
+			OrganizationID:          orgID,
+			Provisioner:             database.ProvisionerTypeTerraform,
+			ActiveVersionID:         activeVersionID,
+			UseClassicParameterFlow: true,
 		}, nil)
 }
 
 
@@ -3356,7 +3356,6 @@ const (
 	ExperimentNotifications      Experiment = "notifications"        // Sends notifications via SMTP and webhooks following certain events.
 	ExperimentWorkspaceUsage     Experiment = "workspace-usage"      // Enables the new workspace usage tracking.
 	ExperimentWebPush            Experiment = "web-push"             // Enables web push notifications through the browser.
-	ExperimentDynamicParameters  Experiment = "dynamic-parameters"   // Enables dynamic parameters when creating a workspace.
 	ExperimentWorkspacePrebuilds Experiment = "workspace-prebuilds"  //
10000
 Enables the new workspace prebuilds feature.
 	ExperimentAgenticChat        Experiment = "agentic-chat"         // Enables the new agentic AI chat feature.
 	ExperimentAITasks            Experiment = "ai-tasks"             // Enables the new AI tasks feature.
 
@@ -21,16 +21,14 @@ import (
 func TestDynamicParametersOwnerGroups(t *testing.T) {
 	t.Parallel()
 
-	cfg := coderdtest.DeploymentValues(t)
-	cfg.Experiments = []string{string(codersdk.ExperimentDynamicParameters)}
 	ownerClient, owner := coderdenttest.New(t,
 		&coderdenttest.Options{
 			LicenseOptions: &coderdenttest.LicenseOptions{
 				Features: license.Features{
 					codersdk.FeatureTemplateRBAC: 1,
 				},
 			},
-			Options: &coderdtest.Options{IncludeProvisionerDaemon: true, DeploymentValues: cfg},
+			Options: &coderdtest.Options{IncludeProvisionerDaemon: true},
 		},
 	)
 	templateAdmin, templateAdminUser := coderdtest.CreateAnotherUser(t, ownerClient, owner.OrganizationID, rbac.RoleTemplateAdmin())
 
@@ -1698,7 +1698,7 @@ func TestWorkspaceTemplateParamsChange(t *testing.T) {
 
 	logger := slogtest.Make(t, &slogtest.Options{IgnoreErrors: false})
 	dv := coderdtest.DeploymentValues(t)
-	dv.Experiments = []string{string(codersdk.ExperimentDynamicParameters)}
+
 	client, owner := coderdenttest.New(t, &coderdenttest.Options{
 		Options: &coderdtest.Options{
 			Logger: &logger,
@@ -1736,6 +1736,12 @@ func TestWorkspaceTemplateParamsChange(t *testing.T) {
 	require.NoError(t, err, "failed to create template version")
 	coderdtest.AwaitTemplateVersionJobCompleted(t, templateAdmin, tv.ID)
 	tpl := coderdtest.CreateTemplate(t, templateAdmin, owner.OrganizationID, tv.ID)
+
+	// Set to dynamic params
+	tpl, err = client.UpdateTemplateMeta(ctx, tpl.ID, codersdk.UpdateTemplateMeta{
+		UseClassicParameterFlow: ptr.Ref(false),
+	})
+	require.NoError(t, err, "failed to update template meta")
 	require.False(t, tpl.UseClassicParameterFlow, "template to use dynamic parameters")
 
 	// When: we create a workspace build using the above template but with
 
@@ -25,13 +25,8 @@ export const useDynamicParametersOptOut = ({
 			const localStorageKey = optOutKey(templateId);
 			const storedOptOutString = localStorage.getItem(localStorageKey);
 
-			let optedOut: boolean;
-
-			if (storedOptOutString !== null) {
-				optedOut = storedOptOutString === "true";
-			} else {
-				optedOut = Boolean(templateUsesClassicParameters);
-			}
+			// Since the dynamic-parameters experiment was removed, always use classic parameters
+			const optedOut = true;
 
 			return {
 				templateId,
 
@@ -21,7 +21,6 @@ import {
 	SettingsIcon,
 	TrashIcon,
 } from "lucide-react";
-import { useDashboard } from "modules/dashboard/useDashboard";
 import { useDynamicParametersOptOut } from "modules/workspaces/DynamicParameter/useDynamicParametersOptOut";
 import { type FC, useEffect, useState } from "react";
 import { useMutation, useQuery, useQueryClient } from "react-query";
@@ -43,14 +42,12 @@ export const WorkspaceMoreActions: FC<WorkspaceMoreActionsProps> = ({
 	disabled,
 }) => {
 	const queryClient = useQueryClient();
-	const { experiments } = useDashboard();
-	const isDynamicParametersEnabled = experiments.includes("dynamic-parameters");
 
 	const optOutQuery = useDynamicParametersOptOut({
 		templateId: workspace.template_id,
 		templateUsesClassicParameters:
 			workspace.template_use_classic_parameter_flow,
-		enabled: isDynamicParametersEnabled,
+		enabled: true,
 	});
 
 	// Permissions
@@ -154,7 +151,7 @@ export const WorkspaceMoreActions: FC<WorkspaceMoreActionsProps> = ({
 				onClose={() => setIsDownloadDialogOpen(false)}
 			/>
 
-			{!isDynamicParametersEnabled || optOutQuery.data?.optedOut ? (
+			{optOutQuery.data?.optedOut ? (
 				<UpdateBuildParametersDialog
 					missedParameters={
 						changeVersionMutation.error instanceof MissingBuildParameters
 
@@ -10,7 +10,6 @@ import { ErrorAlert } from "components/Alert/ErrorAlert";
 import { ConfirmDialog } from "components/Dialogs/ConfirmDialog/ConfirmDialog";
 import { Loader } from "components/Loader/Loader";
 import { MemoizedInlineMarkdown } from "components/Markdown/Markdown";
-import { useDashboard } from "modules/dashboard/useDashboard";
 import { useDynamicParametersOptOut } from "modules/workspaces/DynamicParameter/useDynamicParametersOptOut";
 import { UpdateBuildParametersDialog } from "modules/workspaces/WorkspaceMoreActions/UpdateBuildParametersDialog";
 import { UpdateBuildParametersDialogExperimental } from "modules/workspaces/WorkspaceMoreActions/UpdateBuildParametersDialogExperimental";
@@ -56,14 +55,11 @@ export const useWorkspaceUpdate = ({
 		setIsConfirmingUpdate(true);
 	};
 
-	const { experiments } = useDashboard();
-	const isDynamicParametersEnabled = experiments.includes("dynamic-parameters");
-
 	const optOutQuery = useDynamicParametersOptOut({
 		templateId: workspace.template_id,
 		templateUsesClassicParameters:
 			workspace.template_use_classic_parameter_flow,
-		enabled: isDynamicParametersEnabled,
+		enabled: true,
 	});
 
 	const confirmUpdate = (buildParameters: WorkspaceBuildParameter[] = []) => {
@@ -164,13 +160,11 @@ const MissingBuildParametersDialog: FC<MissingBuildParametersDialogProps> = ({
 	error,
 	...dialogProps
 }) => {
-	const { experiments } = useDashboard();
-	const isDynamicParametersEnabled = experiments.includes("dynamic-parameters");
 	const optOutQuery = useDynamicParametersOptOut({
 		templateId: workspace.template_id,
 		templateUsesClassicParameters:
 			workspace.template_use_classic_parameter_flow,
-		enabled: isDynamicParametersEnabled,
+		enabled: true,
 	});
 
 	const missedParameters =
@@ -182,13 +176,11 @@ const MissingBuildParametersDialog: FC<MissingBuildParametersDialogProps> = ({
 	if (optOutQuery.isError) {
 		return <ErrorAlert error={optOutQuery.error} />;
 	}
-	if (isDynamicParametersEnabled && !optOutQuery.data) {
+	if (!optOutQuery.data) {
 		return <Loader />;
 	}
 
-	// If dynamic parameters experiment is not enabled, or if opted out, use classic dialog
-	const shouldUseClassicDialog =
-		!isDynamicParametersEnabled || optOutQuery.data?.optedOut;
+	const shouldUseClassicDialog = optOutQuery.data?.optedOut;
 
 	return shouldUseClassicDialog ? (
 		<UpdateBuildParametersDialog