diff --git a/build.gradle.kts b/build.gradle.kts
index d30ee9b..fc94124 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -3,14 +3,14 @@ val kotlin_version: String by project
 val logback_version: String by project
 
 plugins {
-    kotlin("multiplatform") version "1.7.21"
-    kotlin("plugin.serialization") version "1.7.21"
-    id("org.jetbrains.dokka") version "1.7.20"
+    kotlin("multiplatform") version "2.1.0"
+    kotlin("plugin.serialization") version "2.1.0"
+    id("org.jetbrains.dokka") version "1.9.20"
     `maven-publish`
 }
 
 group = "net.sergeych"
-version = "0.4.6"
+version = "0.5.2"
 
 repositories {
     mavenCentral()
@@ -24,9 +24,9 @@ kotlin {
     }
 
     jvm {
-        compilations.all {
-            kotlinOptions.jvmTarget = "1.8"
-        }
+//        compilations.all {
+//            kotlinOptions.jvmTarget = "1.8"
+//        }
         withJava()
         testRuns["test"].executionTask.configure {
             useJUnitPlatform()
@@ -35,7 +35,7 @@ kotlin {
     js(IR) {
         browser {
             commonWebpackConfig {
-                cssSupport.enabled = true
+//                cssSupport.enabled = true
             }
         }
     }
diff --git a/gradle.properties b/gradle.properties
index 743d342..bfaa140 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,4 @@
 kotlin.code.style=official
-kotlin.mpp.enableGranularSourceSetsMetadata=true
-kotlin.native.enableDependencyPropagation=false
 kotlin.js.generate.executable.default=false
 ktor_version=2.1.1
 logback_version=1.2.10
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index aa991fc..15de902 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/src/commonMain/kotlin/net.sergeych.parsec3/KVStorage.kt b/src/commonMain/kotlin/net.sergeych.parsec3/KVStorage.kt
index a510836..ce6c1bd 100644
--- a/src/commonMain/kotlin/net.sergeych.parsec3/KVStorage.kt
+++ b/src/commonMain/kotlin/net.sergeych.parsec3/KVStorage.kt
@@ -2,6 +2,10 @@ package net.sergeych.parsec3
 
 import net.sergeych.boss_serialization.BossDecoder
 import net.sergeych.boss_serialization_mp.BossEncoder
+import net.sergeych.mp_logger.LogTag
+import net.sergeych.mp_logger.exception
+import net.sergeych.mp_logger.info
+import net.sergeych.mptools.encodeToHex
 import net.sergeych.mptools.toDump
 import kotlin.reflect.KProperty
 import kotlin.reflect.KType
@@ -58,20 +62,21 @@ interface KVStorage {
 
 }
 
-inline operator fun <reified T> KVStorage.invoke(defaultValue: T,overrideName: String? = null) =
+inline operator fun <reified T> KVStorage.invoke(defaultValue: T, overrideName: String? = null) =
     KVStorageDelegate<T>(this, typeOf<T>(), defaultValue, overrideName)
 
 inline fun <reified T> KVStorage.stored(defaultValue: T, overrideName: String? = null) =
     KVStorageDelegate<T>(this, typeOf<T>(), defaultValue, overrideName)
-inline fun <reified T> KVStorage.optStored(defaultValue: T?=null, overrideName: String? = null) =
-    KVStorageDelegate<T?>(this, typeOf<T?>(), defaultValue, overrideName)
+
+inline fun <reified T> KVStorage.optStored(defaultValue: T? = null, overrideName: String? = null) =
+    KVStorageDelegate<T?>(this, typeOf<T>(), defaultValue, overrideName)
 
 class KVStorageDelegate<T>(
     private val storage: KVStorage,
     private val type: KType,
     private val defaultValue: T,
     private val overrideName: String? = null,
-) {
+): LogTag("KVSD") {
 
     private fun name(property: KProperty<*>): String = overrideName ?: property.name
 
@@ -84,17 +89,24 @@ class KVStorageDelegate<T>(
         if (data == null)
             cachedValue = defaultValue
         else
-            cachedValue = BossDecoder.decodeFrom(type, data)
+            cachedValue = try {
+                info { " get ${name(property)}: ${type} [{${data.encodeToHex()}" }
+                BossDecoder.decodeFrom<T>(type, data)
+                    .also { println("decoded as $it") }
+            } catch (e: Exception) {
+                exception {  "failed to decode ${name(property)}: ${type}" to e }
+                defaultValue
+            }
         cacheReady = true
         return cachedValue
     }
 
     operator fun setValue(thisRef: Any?, property: KProperty<*>, value: T) {
 //        if (!cacheReady || value != cachedValue) {
-            cachedValue = value
-            cacheReady = true
-            println("set ${name(property)} to ${BossEncoder.encode(type, value).toDump()}")
-            storage[name(property)] = BossEncoder.encode(type, value)
+        cachedValue = value
+        cacheReady = true
+        println("set ${name(property)} to ${BossEncoder.encode(type, value).toDump()}")
+        storage[name(property)] = BossEncoder.encode(type, value)
 //        }
     }
 }