diff --git a/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinMPPGradleProjectResolver.kt b/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinMPPGradleProjectResolver.kt
index 6f841b4dfde..979240d6c97 100644
--- a/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinMPPGradleProjectResolver.kt
+++ b/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinMPPGradleProjectResolver.kt
@@ -651,6 +651,7 @@ open class KotlinMPPGradleProjectResolver : AbstractProjectResolverExtension() {
                         val arg = "-XXLanguage:+$it"
                         ManualLanguageFeatureSetting(feature, LanguageFeature.State.ENABLED, arg)
                     }
+                    it.useExperimental = languageSettings.experimentalAnnotationsInUse.toTypedArray()
                 }
             }
         }
diff --git a/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModel.kt b/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModel.kt
index 6839629fdbb..40f8728c24a 100644
--- a/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModel.kt
+++ b/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModel.kt
@@ -37,6 +37,7 @@ interface KotlinLanguageSettings : Serializable {
     val apiVersion: String?
     val isProgressiveMode: Boolean
     val enabledLanguageFeatures: Set<String>
+    val experimentalAnnotationsInUse: Set<String>
 }
 
 interface KotlinCompilationOutput : Serializable {
diff --git a/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt b/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt
index 7fb5eb2fa6a..a81ed5cdc6e 100644
--- a/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt
+++ b/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt
@@ -112,12 +112,14 @@ class KotlinMPPGradleModelBuilder : ModelBuilderService {
         val getApiVersion = languageSettingsClass.getMethodOrNull("getApiVersion") ?: return null
         val getProgressiveMode = languageSettingsClass.getMethodOrNull("getProgressiveMode") ?: return null
         val getEnabledLanguageFeatures = languageSettingsClass.getMethodOrNull("getEnabledLanguageFeatures") ?: return null
+        val getExperimentalAnnotationsInUse = languageSettingsClass.getMethodOrNull("getExperimentalAnnotationsInUse")
         @Suppress("UNCHECKED_CAST")
         return KotlinLanguageSettingsImpl(
             getLanguageVersion(gradleLanguageSettings) as? String,
             getApiVersion(gradleLanguageSettings) as? String,
             getProgressiveMode(gradleLanguageSettings) as? Boolean ?: false,
-            getEnabledLanguageFeatures(gradleLanguageSettings) as? Set<String> ?: emptySet()
+            getEnabledLanguageFeatures(gradleLanguageSettings) as? Set<String> ?: emptySet(),
+            getExperimentalAnnotationsInUse?.invoke(gradleLanguageSettings) as? Set<String> ?: emptySet()
         )
     }
 
diff --git a/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.173 b/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.173
index 8ea271d97b8..f3396e6bfb4 100644
--- a/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.173
+++ b/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.173
@@ -111,12 +111,14 @@ class KotlinMPPGradleModelBuilder : ModelBuilderService {
         val getApiVersion = languageSettingsClass.getMethodOrNull("getApiVersion") ?: return null
         val getProgressiveMode = languageSettingsClass.getMethodOrNull("getProgressiveMode") ?: return null
         val getEnabledLanguageFeatures = languageSettingsClass.getMethodOrNull("getEnabledLanguageFeatures") ?: return null
+        val getExperimentalAnnotationsInUse = languageSettingsClass.getMethodOrNull("getExperimentalAnnotationsInUse")
         @Suppress("UNCHECKED_CAST")
         return KotlinLanguageSettingsImpl(
             getLanguageVersion(gradleLanguageSettings) as? String,
             getApiVersion(gradleLanguageSettings) as? String,
             getProgressiveMode(gradleLanguageSettings) as? Boolean ?: false,
-            getEnabledLanguageFeatures(gradleLanguageSettings) as? Set<String> ?: emptySet()
+            getEnabledLanguageFeatures(gradleLanguageSettings) as? Set<String> ?: emptySet(),
+            getExperimentalAnnotationsInUse?.invoke(gradleLanguageSettings) as? Set<String> ?: emptySet()
         )
     }
 
diff --git a/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.181 b/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.181
index da8ea09d000..87484c81204 100644
--- a/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.181
+++ b/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.181
@@ -112,12 +112,14 @@ class KotlinMPPGradleModelBuilder : ModelBuilderService {
         val getApiVersion = languageSettingsClass.getMethodOrNull("getApiVersion") ?: return null
         val getProgressiveMode = languageSettingsClass.getMethodOrNull("getProgressiveMode") ?: return null
         val getEnabledLanguageFeatures = languageSettingsClass.getMethodOrNull("getEnabledLanguageFeatures") ?: return null
+        val getExperimentalAnnotationsInUse = languageSettingsClass.getMethodOrNull("getExperimentalAnnotationsInUse")
         @Suppress("UNCHECKED_CAST")
         return KotlinLanguageSettingsImpl(
             getLanguageVersion(gradleLanguageSettings) as? String,
             getApiVersion(gradleLanguageSettings) as? String,
             getProgressiveMode(gradleLanguageSettings) as? Boolean ?: false,
-            getEnabledLanguageFeatures(gradleLanguageSettings) as? Set<String> ?: emptySet()
+            getEnabledLanguageFeatures(gradleLanguageSettings) as? Set<String> ?: emptySet(),
+            getExperimentalAnnotationsInUse?.invoke(gradleLanguageSettings) as? Set<String> ?: emptySet()
         )
     }
 
diff --git a/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.as31 b/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.as31
index 8ea271d97b8..f3396e6bfb4 100644
--- a/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.as31
+++ b/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.as31
@@ -111,12 +111,14 @@ class KotlinMPPGradleModelBuilder : ModelBuilderService {
         val getApiVersion = languageSettingsClass.getMethodOrNull("getApiVersion") ?: return null
         val getProgressiveMode = languageSettingsClass.getMethodOrNull("getProgressiveMode") ?: return null
         val getEnabledLanguageFeatures = languageSettingsClass.getMethodOrNull("getEnabledLanguageFeatures") ?: return null
+        val getExperimentalAnnotationsInUse = languageSettingsClass.getMethodOrNull("getExperimentalAnnotationsInUse")
         @Suppress("UNCHECKED_CAST")
         return KotlinLanguageSettingsImpl(
             getLanguageVersion(gradleLanguageSettings) as? String,
             getApiVersion(gradleLanguageSettings) as? String,
             getProgressiveMode(gradleLanguageSettings) as? Boolean ?: false,
-            getEnabledLanguageFeatures(gradleLanguageSettings) as? Set<String> ?: emptySet()
+            getEnabledLanguageFeatures(gradleLanguageSettings) as? Set<String> ?: emptySet(),
+            getExperimentalAnnotationsInUse?.invoke(gradleLanguageSettings) as? Set<String> ?: emptySet()
         )
     }
 
diff --git a/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelImpl.kt b/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelImpl.kt
index 20e714b0c27..faf3e9d56c9 100644
--- a/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelImpl.kt
+++ b/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelImpl.kt
@@ -28,7 +28,8 @@ class KotlinLanguageSettingsImpl(
     override val languageVersion: String?,
     override val apiVersion: String?,
     override val isProgressiveMode: Boolean,
-    override val enabledLanguageFeatures: Set<String>
+    override val enabledLanguageFeatures: Set<String>,
+    override val experimentalAnnotationsInUse: Set<String>
 ) : KotlinLanguageSettings
 
 class KotlinCompilationOutputImpl(