diff --git a/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/JVMDowngraderExtension.kt b/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/JVMDowngraderExtension.kt
index 5f5259c..651aec8 100644
--- a/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/JVMDowngraderExtension.kt
+++ b/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/JVMDowngraderExtension.kt
@@ -10,6 +10,7 @@ import xyz.wagyourtail.jvmdg.ClassDowngrader
 import xyz.wagyourtail.jvmdg.compile.ZipDowngrader
 import xyz.wagyourtail.jvmdg.gradle.flags.DowngradeFlags
 import xyz.wagyourtail.jvmdg.gradle.flags.ShadeFlags
+import xyz.wagyourtail.jvmdg.gradle.flags.convention
 import xyz.wagyourtail.jvmdg.gradle.flags.toFlags
 import xyz.wagyourtail.jvmdg.gradle.task.DowngradeJar
 import xyz.wagyourtail.jvmdg.gradle.task.ShadeJar
@@ -78,21 +79,6 @@ abstract class JVMDowngraderExtension @Inject constructor(@get:Internal val proj
         multiReleaseVersions.convention(emptySet()).finalizeValueOnRead()
     }
 
-    fun convention(flags: ShadeFlags) {
-        convention(flags as DowngradeFlags)
-        flags.shadePath.convention(shadePath).finalizeValueOnRead()
-        flags.shadeInlining.convention(shadeInlining).finalizeValueOnRead()
-    }
-
-    fun convention(flags: DowngradeFlags) {
-        flags.downgradeTo.convention(downgradeTo).finalizeValueOnRead()
-        flags.apiJar.convention(apiJar).finalizeValueOnRead()
-        flags.quiet.convention(quiet).finalizeValueOnRead()
-        flags.debug.convention(debug).finalizeValueOnRead()
-        flags.debugSkipStub.convention(debugSkipStub).finalizeValueOnRead()
-        flags.debugSkipStubs.convention(debugSkipStubs).finalizeValueOnRead()
-    }
-
     @get:Internal
     internal val downgradedApis = defaultedMapOf<JavaVersion, Set<File>> { version ->
         val jars = mutableSetOf<File>()
@@ -131,7 +117,7 @@ abstract class JVMDowngraderExtension @Inject constructor(@get:Internal val proj
                 spec.to.attribute(artifactType, "jar").attribute(downgradeAttr, true).attribute(shadeAttr, false)
 
                 spec.parameters {
-                    this@JVMDowngraderExtension.convention(it)
+                    it.convention(this@JVMDowngraderExtension)
                     config(it)
                     javaVersion = it.downgradeTo.get()
                 }
@@ -151,7 +137,7 @@ abstract class JVMDowngraderExtension @Inject constructor(@get:Internal val proj
                     spec.to.attribute(artifactType, "jar").attribute(shadeAttr, true).attribute(downgradeAttr, true)
 
                     spec.parameters {
-                        this@JVMDowngraderExtension.convention(it)
+                        it.convention(this@JVMDowngraderExtension)
                         config(it)
                     }
                 }
diff --git a/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/flags/toFlags.kt b/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/flags/toFlags.kt
index e81c087..5bf33e2 100644
--- a/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/flags/toFlags.kt
+++ b/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/flags/toFlags.kt
@@ -9,20 +9,40 @@ import xyz.wagyourtail.jvmdg.version.map.FullyQualifiedMemberNameAndDesc
 fun DowngradeFlags.toFlags(): Flags {
     val flags = Flags()
     flags.api = apiJar.orNull
-    flags.quiet = quiet.getOrElse(false)
-    flags.logAnsiColors = logAnsiColors.getOrElse(true)
-    flags.logLevel = Logger.Level.valueOf(logLevel.getOrElse("INFO").uppercase())
-    flags.printDebug = debug.getOrElse(false)
-    flags.classVersion = downgradeTo.getOrElse(JavaVersion.VERSION_1_8).toOpcode()
-    flags.debugSkipStub = debugSkipStub.getOrElse(emptySet()).map { FullyQualifiedMemberNameAndDesc.of(it) }.toSet()
+    flags.quiet = quiet.getOrElse(flags.quiet)
+    flags.logAnsiColors = logAnsiColors.getOrElse(flags.logAnsiColors)
+    flags.logLevel = Logger.Level.valueOf(logLevel.getOrElse(flags.logLevel.name).uppercase())
+    flags.printDebug = debug.getOrElse(flags.printDebug)
+    flags.classVersion = downgradeTo.getOrElse(JavaVersion.forClassVersion(flags.classVersion)).toOpcode()
+    flags.debugSkipStub = debugSkipStub.getOrElse(flags.debugSkipStub.map { it.toString() }.toSet()).map { FullyQualifiedMemberNameAndDesc.of(it) }.toSet()
     flags.debugSkipStubs = debugSkipStubs.getOrElse(emptySet()).map { it.toOpcode() }.toSet()
-    ignoreWarningsIn.getOrElse(emptyList()).forEach { flags.addIgnore(it) }
-    flags.debugDumpClasses = debugDumpClasses.getOrElse(false)
-    flags.multiReleaseOriginal = multiReleaseOriginal.getOrElse(false)
-    flags.multiReleaseVersions = multiReleaseVersions.getOrElse(emptySet()).map { it.toOpcode() }.toSet()
-    flags.downgradeFromMultiReleases = downgradeFromMultiReleases.getOrElse(false)
+    ignoreWarningsIn.getOrElse(flags.ignoreWarningsIn.map { it.key + "*".repeat(it.value.ordinal) }).forEach { flags.addIgnore(it) }
+    flags.debugDumpClasses = debugDumpClasses.getOrElse(flags.debugDumpClasses)
+    flags.multiReleaseOriginal = multiReleaseOriginal.getOrElse(flags.multiReleaseOriginal)
+    flags.multiReleaseVersions = multiReleaseVersions.getOrElse(flags.multiReleaseVersions.map { JavaVersion.forClassVersion(it) }.toSet()).map { it.toOpcode() }.toSet()
+    flags.downgradeFromMultiReleases = downgradeFromMultiReleases.getOrElse(flags.downgradeFromMultiReleases)
     if (this is ShadeFlags) {
-        flags.shadeInlining = shadeInlining.get()
+        flags.shadeInlining = shadeInlining.getOrElse(flags.shadeInlining)
     }
     return flags
+}
+
+fun DowngradeFlags.convention(target: DowngradeFlags) {
+    apiJar.convention(target.apiJar)
+    quiet.convention(target.quiet)
+    logAnsiColors.convention(target.logAnsiColors)
+    logLevel.convention(target.logLevel)
+    debug.convention(target.debug)
+    downgradeTo.convention(target.downgradeTo)
+    debugSkipStub.convention(target.debugSkipStub)
+    debugSkipStubs.convention(target.debugSkipStubs)
+    ignoreWarningsIn.convention(target.ignoreWarningsIn)
+    debugDumpClasses.convention(target.debugDumpClasses)
+    multiReleaseOriginal.convention(target.multiReleaseOriginal)
+    multiReleaseVersions.convention(target.multiReleaseVersions)
+    downgradeFromMultiReleases.convention(target.downgradeFromMultiReleases)
+    if (this is ShadeFlags && target is ShadeFlags) {
+        shadeInlining.convention(target.shadeInlining)
+        shadePath.convention(target.shadePath)
+    }
 }
\ No newline at end of file
diff --git a/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/task/DowngradeJar.kt b/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/task/DowngradeJar.kt
index 5e413d4..b3d850f 100644
--- a/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/task/DowngradeJar.kt
+++ b/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/task/DowngradeJar.kt
@@ -10,6 +10,7 @@ import xyz.wagyourtail.jvmdg.ClassDowngrader
 import xyz.wagyourtail.jvmdg.compile.ZipDowngrader
 import xyz.wagyourtail.jvmdg.gradle.JVMDowngraderExtension
 import xyz.wagyourtail.jvmdg.gradle.flags.DowngradeFlags
+import xyz.wagyourtail.jvmdg.gradle.flags.convention
 import xyz.wagyourtail.jvmdg.gradle.flags.toFlags
 import xyz.wagyourtail.jvmdg.util.FinalizeOnRead
 import xyz.wagyourtail.jvmdg.util.LazyMutable
@@ -37,7 +38,7 @@ abstract class DowngradeJar: Jar(), DowngradeFlags {
         group = "JVMDowngrader"
         description = "Downgrades the jar to the specified version"
 
-        jvmdg.convention(this)
+        convention(jvmdg)
     }
 
     @TaskAction
diff --git a/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/task/ShadeJar.kt b/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/task/ShadeJar.kt
index fd46e0e..06555ec 100644
--- a/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/task/ShadeJar.kt
+++ b/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/task/ShadeJar.kt
@@ -9,6 +9,7 @@ import org.gradle.api.tasks.bundling.Jar
 import xyz.wagyourtail.jvmdg.compile.ApiShader
 import xyz.wagyourtail.jvmdg.gradle.JVMDowngraderExtension
 import xyz.wagyourtail.jvmdg.gradle.flags.ShadeFlags
+import xyz.wagyourtail.jvmdg.gradle.flags.convention
 import xyz.wagyourtail.jvmdg.gradle.flags.toFlags
 import xyz.wagyourtail.jvmdg.util.deleteIfExists
 import xyz.wagyourtail.jvmdg.util.readZipInputStreamFor
@@ -31,7 +32,7 @@ abstract class ShadeJar: Jar(), ShadeFlags {
         group = "JVMDowngrader"
         description = "Downgrades the jar to the specified version"
 
-        jvmdg.convention(this)
+        convention(jvmdg)
     }
 
     @TaskAction
diff --git a/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/task/files/DowngradeFiles.kt b/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/task/files/DowngradeFiles.kt
index 52c015b..c1397ea 100644
--- a/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/task/files/DowngradeFiles.kt
+++ b/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/task/files/DowngradeFiles.kt
@@ -10,6 +10,7 @@ import xyz.wagyourtail.jvmdg.ClassDowngrader
 import xyz.wagyourtail.jvmdg.compile.PathDowngrader
 import xyz.wagyourtail.jvmdg.gradle.JVMDowngraderExtension
 import xyz.wagyourtail.jvmdg.gradle.flags.DowngradeFlags
+import xyz.wagyourtail.jvmdg.gradle.flags.convention
 import xyz.wagyourtail.jvmdg.gradle.flags.toFlags
 import xyz.wagyourtail.jvmdg.util.FinalizeOnRead
 import xyz.wagyourtail.jvmdg.util.LazyMutable
@@ -62,7 +63,7 @@ abstract class DowngradeFiles: ConventionTask(), DowngradeFlags {
     }
 
     init {
-        jvmdg.convention(this)
+        convention(jvmdg)
     }
 
     @TaskAction
diff --git a/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/task/files/ShadeFiles.kt b/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/task/files/ShadeFiles.kt
index 5dd9b48..5f8b320 100644
--- a/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/task/files/ShadeFiles.kt
+++ b/gradle-plugin/src/main/kotlin/xyz/wagyourtail/jvmdg/gradle/task/files/ShadeFiles.kt
@@ -8,6 +8,7 @@ import org.gradle.api.tasks.TaskAction
 import xyz.wagyourtail.jvmdg.compile.ApiShader
 import xyz.wagyourtail.jvmdg.gradle.JVMDowngraderExtension
 import xyz.wagyourtail.jvmdg.gradle.flags.ShadeFlags
+import xyz.wagyourtail.jvmdg.gradle.flags.convention
 import xyz.wagyourtail.jvmdg.gradle.flags.toFlags
 import xyz.wagyourtail.jvmdg.util.FinalizeOnRead
 import xyz.wagyourtail.jvmdg.util.MustSet
@@ -47,7 +48,7 @@ abstract class ShadeFiles: ConventionTask(), ShadeFlags {
     }
 
     init {
-        jvmdg.convention(this)
+        convention(jvmdg)
     }
 
 //    fun setShadePath(path: String) {