diff --git a/.editorconfig b/.editorconfig
index 4c68c0bc..16fc6000 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -5,6 +5,8 @@ charset = utf-8
 insert_final_newline = true
 trim_trailing_whitespace = true
 
+end_of_line = lf
+
 [*.{kt,kts}]
 ij_kotlin_packages_to_use_import_on_demand = java.util.**, in.dragonbra.javasteam.protobufs.steamclient.**, kotlinx.coroutines.**
 indent_size = 4
diff --git a/.gitignore b/.gitignore
index d0c281a9..1f49785d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,11 +21,6 @@
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
 
-.gradle
-/build/
-/buildSrc/build/
-/javasteam-tf/build/
-
 # Ignore Gradle GUI config
 gradle-app.setting
 
@@ -67,10 +62,19 @@ crashlytics.properties
 crashlytics-build.properties
 fabric.properties
 
+# JavaSteam
+.gradle
+/build/
 /netlogs/
+/buildSrc/build/
+/javasteam-tf/build/
 
 # JavaSteam Samples
 cellid.txt
 loginkey.txt
 sentry.bin
 server_list.bin
+
+# Kotlin 2.0
+/.kotlin/sessions/
+*.salive
diff --git a/build.gradle.kts b/build.gradle.kts
index db17bdc9..5358f1fe 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -16,7 +16,7 @@ plugins {
 
 allprojects {
     group = "in.dragonbra"
-    version = "1.5.0"
+    version = "1.5.1"
 }
 
 repositories {
diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
index 5b28457a..4a67e1e2 100644
--- a/buildSrc/build.gradle.kts
+++ b/buildSrc/build.gradle.kts
@@ -13,9 +13,9 @@ dependencies {
     implementation(gradleApi())
 
     // https://mvnrepository.com/artifact/commons-io/commons-io
-    implementation("commons-io:commons-io:2.16.0")
+    implementation("commons-io:commons-io:2.16.1")
     // https://mvnrepository.com/artifact/com.squareup/kotlinpoet
-    implementation("com.squareup:kotlinpoet:1.16.0")
+    implementation("com.squareup:kotlinpoet:1.18.1")
 }
 
 gradlePlugin {
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 4dda6438..9f8d3486 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -6,30 +6,30 @@
 [versions]
 # Java / Kotlin versions
 java = "11"
-kotlin = "1.9.23" # https://kotlinlang.org/docs/releases.html#release-details
+kotlin = "2.0.20" # https://kotlinlang.org/docs/releases.html#release-details
 dokka = "1.9.20" # https://mvnrepository.com/artifact/org.jetbrains.dokka/dokka-gradle-plugin
-kotlinter = "4.3.0" # https://plugins.gradle.org/plugin/org.jmailen.kotlinter
+kotlinter = "4.4.1" # https://plugins.gradle.org/plugin/org.jmailen.kotlinter
 
 # Standard Library versions
-bouncyCastle = "1.78" # https://mvnrepository.com/artifact/org.bouncycastle/bcprov-jdk18on
-commons-io = "2.16.0" # https://mvnrepository.com/artifact/commons-io/commons-io
-commons-lang3 = "3.14.0" # https://mvnrepository.com/artifact/org.apache.commons/commons-lang3
-commons-validator = "1.8.0" # https://mvnrepository.com/artifact/commons-validator/commons-validator
-gson = "2.10.1" # https://mvnrepository.com/artifact/com.google.code.gson/gson
+bouncyCastle = "1.78.1" # https://mvnrepository.com/artifact/org.bouncycastle/bcprov-jdk18on
+commons-io = "2.16.1" # https://mvnrepository.com/artifact/commons-io/commons-io
+commons-lang3 = "3.17.0" # https://mvnrepository.com/artifact/org.apache.commons/commons-lang3
+commons-validator = "1.9.0" # https://mvnrepository.com/artifact/commons-validator/commons-validator
+gson = "2.11.0" # https://mvnrepository.com/artifact/com.google.code.gson/gson
 jacoco = "0.8.12" # https://www.eclemma.org/jacoco
-javaWebSocket = "1.5.6" # https://mvnrepository.com/artifact/org.java-websocket/Java-WebSocket
-kotlin-coroutines = "1.8.0" # https://mvnrepository.com/artifact/org.jetbrains.kotlinx/kotlinx-coroutines-core
-okHttp = "5.0.0-alpha.12" # https://mvnrepository.com/artifact/com.squareup.okhttp3/okhttp
-protobuf = "4.26.1" # https://mvnrepository.com/artifact/com.google.protobuf/protobuf-java
+javaWebSocket = "1.5.7" # https://mvnrepository.com/artifact/org.java-websocket/Java-WebSocket
+kotlin-coroutines = "1.8.1" # https://mvnrepository.com/artifact/org.jetbrains.kotlinx/kotlinx-coroutines-core
+okHttp = "5.0.0-alpha.14" # https://mvnrepository.com/artifact/com.squareup.okhttp3/okhttp
+protobuf = "4.28.0" # https://mvnrepository.com/artifact/com.google.protobuf/protobuf-java
 protobuf-gradle = "0.9.4" # https://mvnrepository.com/artifact/com.google.protobuf/protobuf-gradle-plugin
 publishPlugin = "1.3.0" # https://mvnrepository.com/artifact/io.github.gradle-nexus/publish-plugin
 qrCode = "1.0.1" # https://mvnrepository.com/artifact/pro.leaco.qrcode/console-qrcode
 
 # Testing Lib versions
-commonsCodec = "1.16.1" # https://mvnrepository.com/artifact/commons-codec/commons-codec
-junit5 = "5.10.2" # https://mvnrepository.com/artifact/org.junit/junit-bom
-mockWebServer = "5.0.0-alpha.12" # https://mvnrepository.com/artifact/com.squareup.okhttp3/mockwebserver3-junit5
-mockitoVersion = "5.11.0" # https://mvnrepository.com/artifact/org.mockito/mockito-core
+commonsCodec = "1.17.1" # https://mvnrepository.com/artifact/commons-codec/commons-codec
+junit5 = "5.11.0" # https://mvnrepository.com/artifact/org.junit/junit-bom
+mockWebServer = "5.0.0-alpha.14" # https://mvnrepository.com/artifact/com.squareup.okhttp3/mockwebserver3-junit5
+mockitoVersion = "5.13.0" # https://mvnrepository.com/artifact/org.mockito/mockito-core
 
 [libraries]
 bouncyCastle = { module = "org.bouncycastle:bcprov-jdk18on", version.ref = "bouncyCastle" }
diff --git a/src/main/java/in/dragonbra/javasteam/steam/authentication/AuthSession.kt b/src/main/java/in/dragonbra/javasteam/steam/authentication/AuthSession.kt
index cb363122..22f5e490 100644
--- a/src/main/java/in/dragonbra/javasteam/steam/authentication/AuthSession.kt
+++ b/src/main/java/in/dragonbra/javasteam/steam/authentication/AuthSession.kt
@@ -56,9 +56,7 @@ open class AuthSession(
      * @return An [AuthPollResult] containing tokens which can be used to log in to Steam.
      */
     @Throws(AuthenticationException::class)
-    fun pollingWaitForResultCompat(): CompletableFuture<AuthPollResult> {
-        return scope.future { pollingWaitForResult() }
-    }
+    fun pollingWaitForResultCompat(): CompletableFuture<AuthPollResult> = scope.future { pollingWaitForResult() }
 
     /**
      * Handle any 2-factor authentication, and if necessary poll for updates until authentication succeeds.
diff --git a/src/main/java/in/dragonbra/javasteam/steam/handlers/steamfriends/SteamFriends.kt b/src/main/java/in/dragonbra/javasteam/steam/handlers/steamfriends/SteamFriends.kt
index 92faadda..61c0ebd5 100644
--- a/src/main/java/in/dragonbra/javasteam/steam/handlers/steamfriends/SteamFriends.kt
+++ b/src/main/java/in/dragonbra/javasteam/steam/handlers/steamfriends/SteamFriends.kt
@@ -533,7 +533,7 @@ class SteamFriends : ClientMsgHandler() {
      * Results are returned in [PersonaStatesCallback].
      *
      * @param steamIdList   A list of SteamIDs to request the info of.
-     * @param requestedInfo The requested info flags. If none specified, this uses [SteamConfiguration.getDefaultPersonaStateFlags].
+     * @param requestedInfo The requested info flags. If none specified, this uses [SteamConfiguration.defaultPersonaStateFlags].
      */
     @JvmOverloads
     fun requestFriendInfo(steamIdList: List<SteamID>, requestedInfo: Int = 0) {
@@ -557,7 +557,7 @@ class SteamFriends : ClientMsgHandler() {
      * Results are returned in [PersonaStatesCallback].
      *
      * @param steamID A SteamID to request the info of.
-     * @param requestedInfo The requested info flags. If none specified, this uses [SteamConfiguration.getDefaultPersonaStateFlags].
+     * @param requestedInfo The requested info flags. If none specified, this uses [SteamConfiguration.defaultPersonaStateFlags].
      */
     @JvmOverloads
     fun requestFriendInfo(steamID: SteamID, requestedInfo: Int = 0) {
@@ -786,7 +786,9 @@ class SteamFriends : ClientMsgHandler() {
     private fun handleFriendsList(packetMsg: IPacketMsg) {
         val list = ClientMsgProtobuf<CMsgClientFriendsList.Builder>(CMsgClientFriendsList::class.java, packetMsg)
 
-        cache.localUser.steamID = client.steamID
+        client.steamID?.let {
+            cache.localUser.steamID = it
+        }
 
         if (!list.body.bincremental) {
             // if we're not an incremental update, the message contains all friends, so we should clear our current list
diff --git a/src/main/java/in/dragonbra/javasteam/steam/steamclient/callbackmgr/Callback.kt b/src/main/java/in/dragonbra/javasteam/steam/steamclient/callbackmgr/Callback.kt
index 644b7fd5..77c6156a 100644
--- a/src/main/java/in/dragonbra/javasteam/steam/steamclient/callbackmgr/Callback.kt
+++ b/src/main/java/in/dragonbra/javasteam/steam/steamclient/callbackmgr/Callback.kt
@@ -10,7 +10,8 @@ class Callback<TCall : ICallbackMsg> @JvmOverloads constructor(
     func: Consumer<TCall>?,
     private var mgr: ICallbackMgrInternals? = null,
     var jobID: JobID = JobID.INVALID,
-) : CallbackBase(), Closeable {
+) : CallbackBase(),
+    Closeable {
 
     private val onRun = func
 
diff --git a/src/main/java/in/dragonbra/javasteam/steam/steamclient/callbacks/CMListCallback.kt b/src/main/java/in/dragonbra/javasteam/steam/steamclient/callbacks/CMListCallback.kt
index 2df49002..7bda2f53 100644
--- a/src/main/java/in/dragonbra/javasteam/steam/steamclient/callbacks/CMListCallback.kt
+++ b/src/main/java/in/dragonbra/javasteam/steam/steamclient/callbacks/CMListCallback.kt
@@ -5,7 +5,6 @@ import `in`.dragonbra.javasteam.steam.discovery.ServerRecord
 import `in`.dragonbra.javasteam.steam.steamclient.callbackmgr.CallbackMsg
 import `in`.dragonbra.javasteam.util.NetHelpers
 import java.net.InetSocketAddress
-import java.util.*
 
 /**
  * This callback is received when the client has received the CM list from Steam.
diff --git a/src/main/java/in/dragonbra/javasteam/types/AsyncJobMultiple.kt b/src/main/java/in/dragonbra/javasteam/types/AsyncJobMultiple.kt
index 85c2f8ad..ea6228a8 100644
--- a/src/main/java/in/dragonbra/javasteam/types/AsyncJobMultiple.kt
+++ b/src/main/java/in/dragonbra/javasteam/types/AsyncJobMultiple.kt
@@ -30,9 +30,7 @@ class AsyncJobMultiple<T : CallbackMsg>(
         registerJob(client)
     }
 
-    fun toDeferred(): CompletableDeferred<ResultSet> {
-        return tcs
-    }
+    fun toDeferred(): CompletableDeferred<ResultSet> = tcs
 
     override fun addResult(callback: CallbackMsg?): Boolean {
         if (callback == null) {
diff --git a/src/main/java/in/dragonbra/javasteam/types/AsyncJobSingle.kt b/src/main/java/in/dragonbra/javasteam/types/AsyncJobSingle.kt
index 5e4c0f95..61b52fc7 100644
--- a/src/main/java/in/dragonbra/javasteam/types/AsyncJobSingle.kt
+++ b/src/main/java/in/dragonbra/javasteam/types/AsyncJobSingle.kt
@@ -19,14 +19,10 @@ class AsyncJobSingle<T : CallbackMsg>(client: SteamClient, jobId: JobID) : Async
         registerJob(client)
     }
 
-    fun toDeferred(): CompletableDeferred<T> {
-        return tcs
-    }
+    fun toDeferred(): CompletableDeferred<T> = tcs
 
     @Throws(CancellationException::class)
-    fun runBlock(): T {
-        return runBlocking { toDeferred().await() }
-    }
+    fun runBlock(): T = runBlocking { toDeferred().await() }
 
     override fun addResult(callback: CallbackMsg?): Boolean {
         requireNotNull(callback) { "callback must not be null" }