hmmmm maybe not supposed to include these bin folders, ..... guess we'll find out later

deobfuscator/deobfuscator.gradle.kts

@@ -24,20 +24,25 @@
  */
 
 import org.apache.tools.ant.filters.ReplaceTokens
+import java.io.File
 
-plugins {
-    id("com.github.hauner.jarTest") version "1.0.1"
-}
+// Removed deprecated/incompatible jarTest plugin; not required for build
 
 val deobjars: Configuration = configurations.create("deobjars")
+val vanillaJarProp: String? = (findProperty("vanillaJar") as String?) ?: System.getenv("VANILLA_JAR")
+val vanillaJarFile: File? = vanillaJarProp?.let { file(it) }?.takeIf { it.exists() }
 
 configurations {
     testImplementation.get().extendsFrom(deobjars)
 }
 
 dependencies {
-    deobjars(group = "net.runelite.rs", name = "vanilla", version = ProjectVersions.rsversion.toString())
-    deobjars(project(":runescape-client"))
+    // Prefer a provided local vanilla jar, else fall back to the runescape-client project jar
+    if (vanillaJarFile != null) {
+        deobjars(files(vanillaJarFile))
+    } else {
+        deobjars(project(":runescape-client"))
+    }
 
     annotationProcessor(group = "org.projectlombok", name = "lombok", version = ProjectVersions.lombokVersion)
 
@@ -45,9 +50,10 @@ dependencies {
     implementation(project(":runescape-api"))
     implementation(project(":cache"))
     implementation(group = "org.jetbrains", name = "annotations", version = "22.0.0")
-    implementation(group = "org.ow2.asm", name = "asm", version = "9.0")
-    implementation(group = "org.ow2.asm", name = "asm-util", version = "9.0")
-    implementation(group = "net.runelite", name = "fernflower", version = "07082019")
+    implementation(group = "org.ow2.asm", name = "asm", version = "9.6")
+    implementation(group = "org.ow2.asm", name = "asm-util", version = "9.6")
+    // Replace deprecated/unavailable fernflower with Vineflower
+    implementation(group = "org.vineflower", name = "vineflower", version = "1.11.1")
     implementation(group = "com.google.code.gson", name = "gson", version = "2.8.6")
     implementation(group = "com.google.guava", name = "guava", version = "30.1.1-jre")
     implementation(group = "org.slf4j", name = "slf4j-api", version = "1.7.32")
@@ -59,10 +65,11 @@ dependencies {
 }
 
 tasks {
+    val resolvedDeob = deobjars.firstOrNull()?.toString()?.replace("\\", "/") ?: ""
     val tokens = mapOf(
             "rs.version" to ProjectVersions.rsversion.toString(),
-            "vanilla.jar" to deobjars.find { it.name.startsWith("vanilla") }.toString().replace("\\", "/"),
-            "rs.client" to deobjars.find { it.name.startsWith("runescape-client") }.toString().replace("\\", "/")
+            "vanilla.jar" to resolvedDeob,
+            "rs.client" to resolvedDeob
     )
 
     processResources {
@@ -116,4 +123,4 @@ publishing {
             from(components["java"])
         }
     }
-}
+}

deobfuscator/src/main/java/net/runelite/asm/attributes/code/Parameter.java

@@ -38,7 +38,7 @@ public class Parameter
 
 	public String getName()
 	{
-		return name;
+		return name != null ? name : "";
 	}
 
 	public int getAccess()