diff --git a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/DebugPanel.kt b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/DebugPanel.kt
index 88db1771..b659fdfe 100644
--- a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/DebugPanel.kt
+++ b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/DebugPanel.kt
@@ -14,6 +14,7 @@ import kotlinx.coroutines.flow.emptyFlow
 
 @OptIn(DebugPanelInternal::class)
 public object DebugPanel {
+    @Volatile
     private var instance: DebugPanelInstance? = null
     public val isInitialized: Boolean
         get() = instance != null
@@ -40,6 +41,8 @@ public object DebugPanel {
         }
     }
 
+    internal fun getInstance(): DebugPanelInstance? = instance
+
     private fun openDebugPanel(activity: Activity) {
         val intent = Intent(activity, DebugPanelActivity::class.java)
         activity.startActivity(intent)
diff --git a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/DebugPanelInstance.kt b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/DebugPanelInstance.kt
index 79cfa0b3..a222e339 100644
--- a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/DebugPanelInstance.kt
+++ b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/DebugPanelInstance.kt
@@ -26,7 +26,6 @@ internal class DebugPanelInstance(
     init {
         initContainer(application.applicationContext)
         initPluginManager(plugins, requireNotNull(commonContainer))
-        instance = this
     }
 
     internal fun getEventLiveData(): LiveData<DebugEvent> {
@@ -42,7 +41,7 @@ internal class DebugPanelInstance(
         eventSharedFlow.tryEmit(debugEvent)
     }
 
-    internal fun getPluginManger(): PluginManager {
+    internal fun getPluginManager(): PluginManager {
         return pluginManager
             ?: error("PluginManager not initialised")
     }
@@ -59,8 +58,4 @@ internal class DebugPanelInstance(
             start(commonContainer)
         }
     }
-
-    companion object {
-        var instance: DebugPanelInstance? = null
-    }
 }
diff --git a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/extension/PluginsExt.kt b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/extension/PluginsExt.kt
index 0a0d4e64..6d95bcd3 100644
--- a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/extension/PluginsExt.kt
+++ b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/extension/PluginsExt.kt
@@ -1,17 +1,17 @@
 package com.redmadrobot.debug.core.extension
 
-import com.redmadrobot.debug.core.DebugPanelInstance
+import com.redmadrobot.debug.core.DebugPanel
 import com.redmadrobot.debug.core.annotation.DebugPanelInternal
 import com.redmadrobot.debug.core.plugin.Plugin
 
 @PublishedApi
 internal fun getPlugin(pluginName: String): Plugin {
-    val plugin = DebugPanelInstance.instance?.getPluginManger()?.findPluginByName(pluginName)
+    val plugin = DebugPanel.getInstance()?.getPluginManager()?.findPluginByName(pluginName)
     return requireNotNull(plugin)
 }
 
 internal fun getAllPlugins(): List<Plugin> {
-    return DebugPanelInstance.instance?.getPluginManger()?.plugins ?: emptyList()
+    return DebugPanel.getInstance()?.getPluginManager()?.plugins ?: emptyList()
 }
 
 @DebugPanelInternal
diff --git a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/plugin/Plugin.kt b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/plugin/Plugin.kt
index 588587a1..a8494c92 100644
--- a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/plugin/Plugin.kt
+++ b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/plugin/Plugin.kt
@@ -2,7 +2,7 @@ package com.redmadrobot.debug.core.plugin
 
 import androidx.compose.runtime.Composable
 import com.redmadrobot.debug.core.DebugEvent
-import com.redmadrobot.debug.core.DebugPanelInstance
+import com.redmadrobot.debug.core.DebugPanel
 import com.redmadrobot.debug.core.internal.CommonContainer
 import com.redmadrobot.debug.core.internal.PluginDependencyContainer
 
@@ -15,7 +15,7 @@ public abstract class Plugin {
     }
 
     public fun pushEvent(debugEvent: DebugEvent) {
-        DebugPanelInstance.instance?.pushEvent(debugEvent)
+        DebugPanel.getInstance()?.pushEvent(debugEvent)
     }
 
     public fun <T> getContainer(): T = pluginContainer as T
diff --git a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/util/ApplicationLifecycleHandler.kt b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/util/ApplicationLifecycleHandler.kt
index 7a3391f0..5ef01043 100644
--- a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/util/ApplicationLifecycleHandler.kt
+++ b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/util/ApplicationLifecycleHandler.kt
@@ -7,12 +7,13 @@ import android.content.IntentFilter
 import androidx.activity.ComponentActivity
 import androidx.core.content.ContextCompat
 import timber.log.Timber
+import java.util.concurrent.atomic.AtomicInteger
 
 internal class ApplicationLifecycleHandler(
     private val application: Application,
 ) {
     // open Activity counter
-    private var openActivityCount = 0
+    private val openActivityCounter = AtomicInteger(0)
 
     private var debugPanelBroadcastReceiver: BroadcastReceiver? = null
     private val debugPanelNotification = DebugPanelNotification(application.applicationContext)
@@ -25,8 +26,7 @@ internal class ApplicationLifecycleHandler(
         application.registerActivityLifecycleCallbacks(
             object : ActivityLifecycleCallbacksAdapter() {
                 override fun onActivityResumed(activity: Activity) {
-                    if (openActivityCount == 0) onAppResumed()
-                    ++openActivityCount
+                    if (openActivityCounter.getAndIncrement() == 0) onAppResumed()
 
                     // register BroadcastReceiver for debug panel inner actions
                     debugPanelBroadcastReceiver = DebugPanelBroadcastReceiver(activity)
@@ -41,11 +41,10 @@ internal class ApplicationLifecycleHandler(
                 }
 
                 override fun onActivityPaused(activity: Activity) {
-                    --openActivityCount
                     (activity as? ComponentActivity)?.let {
                         activity.unregisterReceiver(debugPanelBroadcastReceiver)
                     }
-                    if (openActivityCount == 0) onAppPaused()
+                    if (openActivityCounter.decrementAndGet() == 0) onAppPaused()
                 }
             }
         )
diff --git a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/util/DebugPanelNotification.kt b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/util/DebugPanelNotification.kt
index adb42942..529e45fb 100644
--- a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/util/DebugPanelNotification.kt
+++ b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/util/DebugPanelNotification.kt
@@ -27,9 +27,9 @@ internal class DebugPanelNotification(private val context: Context) {
         }
 
     fun show() {
-        val isPermissionGranted = Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU &&
+        val isPermissionDenied = Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU &&
             ContextCompat.checkSelfPermission(context, POST_NOTIFICATIONS) != PERMISSION_GRANTED
-        if (isPermissionGranted) return
+        if (isPermissionDenied) return
 
         notificationManager = NotificationManagerCompat.from(context)
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
diff --git a/panel-no-op/build.gradle.kts b/panel-no-op/build.gradle.kts
index adbe72bf..073f46e1 100644
--- a/panel-no-op/build.gradle.kts
+++ b/panel-no-op/build.gradle.kts
@@ -28,6 +28,7 @@ android {
 
     kotlin {
         jvmToolchain(17)
+        explicitApi()
     }
 
     namespace = "com.redmadrobot.debug.noop"
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/DebugDataProvider.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/DebugDataProvider.kt
index da9e33ff..080f503f 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/DebugDataProvider.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/DebugDataProvider.kt
@@ -1,5 +1,5 @@
 package com.redmadrobot.debug.core.data
 
-interface DebugDataProvider<T> {
-    fun provideData(): T
+public interface DebugDataProvider<T> {
+    public fun provideData(): T
 }
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/core/DebugEvent.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/core/DebugEvent.kt
index c7651ed9..f4057a00 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/core/DebugEvent.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/core/DebugEvent.kt
@@ -1,3 +1,3 @@
 package com.redmadrobot.debug.core.internal
 
-interface DebugEvent
+public interface DebugEvent
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/core/DebugPanel.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/core/DebugPanel.kt
index 9837168d..1390d573 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/core/DebugPanel.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/core/DebugPanel.kt
@@ -9,17 +9,14 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.emptyFlow
 
 @Suppress("UnusedParameter", "OptionalUnit")
-object DebugPanel {
-    fun initialize(
-        application: Application,
-        plugins: List<Any>,
-    ) = Unit
+public object DebugPanel {
+    public fun initialize(application: Application, plugins: List<Any>): Unit = Unit
 
-    fun subscribeToEvents(lifecycleOwner: LifecycleOwner, onEvent: (DebugEvent) -> Unit) = Unit
+    public fun subscribeToEvents(lifecycleOwner: LifecycleOwner, onEvent: (DebugEvent) -> Unit): Unit = Unit
 
-    fun observeEvents(): Flow<DebugEvent> = emptyFlow()
+    public fun observeEvents(): Flow<DebugEvent> = emptyFlow()
 
-    fun showPanel(fragmentManager: FragmentManager) = Unit
+    public fun showPanel(fragmentManager: FragmentManager): Unit = Unit
 
-    fun showPanel(activity: Activity) = Unit
+    public fun showPanel(activity: Activity): Unit = Unit
 }
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/aboutapp/AboutAppInfo.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/aboutapp/AboutAppInfo.kt
index 9cab84ac..819dc408 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/aboutapp/AboutAppInfo.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/aboutapp/AboutAppInfo.kt
@@ -1,6 +1,6 @@
 package com.redmadrobot.debug.plugin.aboutapp
 
-data class AboutAppInfo(
+public data class AboutAppInfo(
     val title: String,
     val value: String
 )
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/aboutapp/AboutAppPlugin.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/aboutapp/AboutAppPlugin.kt
index ee698271..12a446fc 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/aboutapp/AboutAppPlugin.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/aboutapp/AboutAppPlugin.kt
@@ -1,6 +1,6 @@
 package com.redmadrobot.debug.plugin.aboutapp
 
 @Suppress("UnusedPrivateProperty")
-class AboutAppPlugin(
+public class AboutAppPlugin(
     private val appInfoList: List<AboutAppInfo>
 )
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/DebugServer.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/DebugServer.kt
index 1999cde8..13c3b3d7 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/DebugServer.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/DebugServer.kt
@@ -1,6 +1,6 @@
 package com.redmadrobot.debug.plugin.servers.data.model
 
-data class DebugServer(
+public data class DebugServer(
     val name: String,
     val url: String,
     val isDefault: Boolean = false
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/ServerSelectedEvent.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/ServerSelectedEvent.kt
index 19c784a6..a7860da9 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/ServerSelectedEvent.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/ServerSelectedEvent.kt
@@ -3,4 +3,4 @@ package com.redmadrobot.debug.plugin.servers
 import com.redmadrobot.debug.core.internal.DebugEvent
 import com.redmadrobot.debug.plugin.servers.data.model.DebugServer
 
-data class ServerSelectedEvent(val debugServer: DebugServer) : DebugEvent
+public data class ServerSelectedEvent(val debugServer: DebugServer) : DebugEvent
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/ServersPlugin.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/ServersPlugin.kt
index 8b99d490..5fec7820 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/ServersPlugin.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/ServersPlugin.kt
@@ -4,10 +4,10 @@ import com.redmadrobot.debug.core.data.DebugDataProvider
 import com.redmadrobot.debug.plugin.servers.data.model.DebugServer
 import java.util.Collections.emptyList
 
-class ServersPlugin(
+public class ServersPlugin(
     private val preInstalledServers: List<Any> = emptyList()
 ) {
-    constructor(debugDataProvider: DebugDataProvider<List<DebugServer>>) : this(
+    public constructor(debugDataProvider: DebugDataProvider<List<DebugServer>>) : this(
         preInstalledServers = debugDataProvider.provideData()
     )
 }
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/interceptor/DebugServerInterceptor.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/interceptor/DebugServerInterceptor.kt
index 303f5363..d8ca1182 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/interceptor/DebugServerInterceptor.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/interceptor/DebugServerInterceptor.kt
@@ -5,9 +5,9 @@ import okhttp3.Interceptor
 import okhttp3.Request
 import okhttp3.Response
 
-class DebugServerInterceptor : Interceptor {
+public class DebugServerInterceptor : Interceptor {
     @Suppress("UnusedParameter")
-    fun modifyRequest(block: (Request, DebugServer) -> Request): DebugServerInterceptor {
+    public fun modifyRequest(block: (Request, DebugServer) -> Request): DebugServerInterceptor {
         return this
     }
 
diff --git a/plugins/plugin-konfeature/src/main/kotlin/com/redmadrobot/debug/plugin/konfeature/KonfeaturePlugin.kt b/plugins/plugin-konfeature/src/main/kotlin/com/redmadrobot/debug/plugin/konfeature/KonfeaturePlugin.kt
index 2d43a25a..5cb65c13 100644
--- a/plugins/plugin-konfeature/src/main/kotlin/com/redmadrobot/debug/plugin/konfeature/KonfeaturePlugin.kt
+++ b/plugins/plugin-konfeature/src/main/kotlin/com/redmadrobot/debug/plugin/konfeature/KonfeaturePlugin.kt
@@ -4,7 +4,7 @@ import androidx.compose.runtime.Composable
 import com.redmadrobot.debug.core.internal.CommonContainer
 import com.redmadrobot.debug.core.internal.PluginDependencyContainer
 import com.redmadrobot.debug.core.plugin.Plugin
-import com.redmadrobot.debug.plugin.konfeaure.ui.KonfeatureScreen
+import com.redmadrobot.debug.plugin.konfeature.ui.KonfeatureScreen
 import com.redmadrobot.konfeature.Konfeature
 
 public class KonfeaturePlugin(
diff --git a/plugins/plugin-konfeature/src/main/kotlin/com/redmadrobot/debug/plugin/konfeature/ui/KonfeatureScreen.kt b/plugins/plugin-konfeature/src/main/kotlin/com/redmadrobot/debug/plugin/konfeature/ui/KonfeatureScreen.kt
index f562f7ae..384ccede 100644
--- a/plugins/plugin-konfeature/src/main/kotlin/com/redmadrobot/debug/plugin/konfeature/ui/KonfeatureScreen.kt
+++ b/plugins/plugin-konfeature/src/main/kotlin/com/redmadrobot/debug/plugin/konfeature/ui/KonfeatureScreen.kt
@@ -1,4 +1,4 @@
-package com.redmadrobot.debug.plugin.konfeaure.ui
+package com.redmadrobot.debug.plugin.konfeature.ui
 
 import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.background
@@ -32,8 +32,6 @@ import com.redmadrobot.debug.core.extension.provideViewModel
 import com.redmadrobot.debug.plugin.konfeature.KonfeaturePlugin
 import com.redmadrobot.debug.plugin.konfeature.KonfeaturePluginContainer
 import com.redmadrobot.debug.plugin.konfeature.R
-import com.redmadrobot.debug.plugin.konfeature.ui.EditConfigValueDialog
-import com.redmadrobot.debug.plugin.konfeature.ui.KonfeatureViewModel
 import com.redmadrobot.debug.plugin.konfeature.ui.data.KonfeatureItem
 import com.redmadrobot.debug.plugin.konfeature.ui.data.KonfeatureViewState
 import com.redmadrobot.debug.core.R as CoreR