From 6f02edce2da71c974719af0bfea59d1c8ce4d0ad Mon Sep 17 00:00:00 2001
From: Jaanus Sellin <sellinjaanus@gmail.com>
Date: Tue, 11 Nov 2025 12:55:37 +0200
Subject: [PATCH] chore: move delta diffing to a different feature flag
 (#10962)

Move delta diffing to a different feature flag
---
 .../client-feature-toggle.controller.ts                      | 2 +-
 src/lib/types/experimental.ts                                | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/lib/features/client-feature-toggles/client-feature-toggle.controller.ts b/src/lib/features/client-feature-toggles/client-feature-toggle.controller.ts
index 3809908450..24ab03517b 100644
--- a/src/lib/features/client-feature-toggles/client-feature-toggle.controller.ts
+++ b/src/lib/features/client-feature-toggles/client-feature-toggle.controller.ts
@@ -165,7 +165,7 @@ export default class FeatureController extends Controller {
     private async resolveFeaturesAndSegments(
         query?: IFeatureToggleQuery,
     ): Promise<[FeatureConfigurationClient[], IClientSegment[]]> {
-        if (this.flagResolver.isEnabled('deltaApi')) {
+        if (this.flagResolver.isEnabled('deltaDiff')) {
             const features =
                 await this.clientFeatureToggleService.getClientFeatures(query);
 
diff --git a/src/lib/types/experimental.ts b/src/lib/types/experimental.ts
index fca0a21489..21950ee639 100644
--- a/src/lib/types/experimental.ts
+++ b/src/lib/types/experimental.ts
@@ -47,6 +47,7 @@ export type IFlagKey =
     | 'streaming'
     | 'denyStreamingForNonEdge'
     | 'deltaApi'
+    | 'deltaDiff'
     | 'uniqueSdkTracking'
     | 'consumptionModel'
     | 'consumptionModelUI'
@@ -219,6 +220,10 @@ const flags: IFlags = {
         process.env.UNLEASH_EXPERIMENTAL_DELTA_API,
         false,
     ),
+    deltaDiff: parseEnvVarBoolean(
+        process.env.UNLEASH_EXPERIMENTAL_DELTA_DIFF,
+        false,
+    ),
     uniqueSdkTracking: parseEnvVarBoolean(
         process.env.UNLEASH_EXPERIMENTAL_UNIQUE_SDK_TRACKING,
         false,