diff --git a/posthog-core/src/index.ts b/posthog-core/src/index.ts
index 4e238993..ef28d3a0 100644
--- a/posthog-core/src/index.ts
+++ b/posthog-core/src/index.ts
@@ -777,6 +777,8 @@ export abstract class PostHogCore extends PostHogCoreStateless {
         )
 
       if (Object.keys(bootstrapFlags).length) {
+        this.setPersistedProperty(PostHogPersistedProperty.BootstrapFeatureFlags, bootstrapFlags)
+
         const currentFlags =
           this.getPersistedProperty<PostHogDecideResponse['featureFlags']>(PostHogPersistedProperty.FeatureFlags) || {}
         const newFeatureFlags = { ...bootstrapFlags, ...currentFlags }
@@ -785,6 +787,8 @@ export abstract class PostHogCore extends PostHogCoreStateless {
 
       const bootstrapFlagPayloads = bootstrap.featureFlagPayloads
       if (bootstrapFlagPayloads && Object.keys(bootstrapFlagPayloads).length) {
+        this.setPersistedProperty(PostHogPersistedProperty.BootstrapFeatureFlagPayloads, bootstrapFlagPayloads)
+
         const currentFlagPayloads =
           this.getPersistedProperty<PostHogDecideResponse['featureFlagPayloads']>(
             PostHogPersistedProperty.FeatureFlagPayloads
@@ -1252,6 +1256,12 @@ export abstract class PostHogCore extends PostHogCoreStateless {
       this.capture('$feature_flag_called', {
         $feature_flag: key,
         $feature_flag_response: response,
+        $feature_flag_bootstrapped_response: this.getPersistedProperty<PostHogDecideResponse['featureFlags']>(
+          PostHogPersistedProperty.BootstrapFeatureFlags
+        )?.[key],
+        $feature_flag_bootstrapped_payload: this.getPersistedProperty<PostHogDecideResponse['featureFlagPayloads']>(
+          PostHogPersistedProperty.BootstrapFeatureFlagPayloads
+        )?.[key],
       })
     }
 
diff --git a/posthog-core/src/types.ts b/posthog-core/src/types.ts
index 38e8c65f..de8845bc 100644
--- a/posthog-core/src/types.ts
+++ b/posthog-core/src/types.ts
@@ -49,6 +49,8 @@ export enum PostHogPersistedProperty {
   Props = 'props',
   FeatureFlags = 'feature_flags',
   FeatureFlagPayloads = 'feature_flag_payloads',
+  BootstrapFeatureFlags = 'bootstrap_feature_flags',
+  BootstrapFeatureFlagPayloads = 'bootstrap_feature_flag_payloads',
   OverrideFeatureFlags = 'override_feature_flags',
   Queue = 'queue',
   OptedOut = 'opted_out',
diff --git a/posthog-react-native/CHANGELOG.md b/posthog-react-native/CHANGELOG.md
index fcc7d342..871ea508 100644
--- a/posthog-react-native/CHANGELOG.md
+++ b/posthog-react-native/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Next
 
+# 3.4.1 - 2024-11-27
+
+1. Add new debugging property `$feature_flag_bootstrapped_response` and `$feature_flag_bootstrapped_payload` to `$feature_flag_called` event
+
 # 3.4.0 - 2024-11-26
 
 1. feat: automatically mask out user photos and sandboxed views like photo picker (iOS Only)
diff --git a/posthog-react-native/package.json b/posthog-react-native/package.json
index f76b3e65..0064b41d 100644
--- a/posthog-react-native/package.json
+++ b/posthog-react-native/package.json
@@ -1,6 +1,6 @@
 {
   "name": "posthog-react-native",
-  "version": "3.4.0",
+  "version": "3.4.1",
   "main": "lib/posthog-react-native/index.js",
   "files": [
     "lib/"
diff --git a/posthog-web/CHANGELOG.md b/posthog-web/CHANGELOG.md
index 02e39f33..218043a8 100644
--- a/posthog-web/CHANGELOG.md
+++ b/posthog-web/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Next
 
+# 3.1.1 - 2024-11-27
+
+## Changed
+
+1. Add new debugging property `$feature_flag_bootstrapped_response` and `$feature_flag_bootstrapped_payload` to `$feature_flag_called` event
+
 # 3.1.0 - 2024-11-21
 
 ## Changed
diff --git a/posthog-web/package.json b/posthog-web/package.json
index 4c3d0ef1..9d5c3ff6 100644
--- a/posthog-web/package.json
+++ b/posthog-web/package.json
@@ -1,6 +1,6 @@
 {
   "name": "posthog-js-lite",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "main": "lib/index.cjs.js",
   "module": "lib/index.esm.js",
   "types": "lib/index.d.ts",