diff --git a/common/src/main/java/org/embeddedt/modernfix/core/config/ModernFixEarlyConfig.java b/common/src/main/java/org/embeddedt/modernfix/core/config/ModernFixEarlyConfig.java
index 2036f880..ddbf0f7b 100644
--- a/common/src/main/java/org/embeddedt/modernfix/core/config/ModernFixEarlyConfig.java
+++ b/common/src/main/java/org/embeddedt/modernfix/core/config/ModernFixEarlyConfig.java
@@ -11,6 +11,7 @@ import org.embeddedt.modernfix.ModernFix;
 import org.embeddedt.modernfix.annotation.ClientOnlyMixin;
 import org.embeddedt.modernfix.annotation.IgnoreOutsideDev;
 import org.embeddedt.modernfix.annotation.RequiresMod;
+import org.embeddedt.modernfix.core.ModernFixMixinPlugin;
 import org.embeddedt.modernfix.platform.ModernFixPlatformHooks;
 import org.objectweb.asm.ClassReader;
 import org.objectweb.asm.Type;
@@ -253,6 +254,17 @@ public class ModernFixEarlyConfig {
         }
     }
 
+    private void readJVMProperties() {
+        for(String optionKey : this.options.keySet()) {
+            String value = System.getProperty("modernfix.config." + optionKey);
+            if(value == null || value.length() == 0)
+                continue;
+            boolean isEnabled = Boolean.valueOf(value);
+            ModernFixMixinPlugin.instance.logger.info("Configured {} to '{}' via JVM property.", optionKey, isEnabled);
+            this.options.get(optionKey).setEnabled(isEnabled, true);
+        }
+    }
+
     private void readProperties(Properties props) {
         if(ALLOW_OVERRIDE_OVERRIDES)
             LOGGER.fatal("JVM argument given to override mod overrides. Issues opened with this option present will be ignored unless they can be reproduced without.");
@@ -341,6 +353,8 @@ public class ModernFixEarlyConfig {
             } catch (IOException e) {
                 LOGGER.warn("Could not write configuration file", e);
             }
+
+            config.readJVMProperties();
         }
 
         return config;
diff --git a/fabric/testmod/build.gradle b/fabric/testmod/build.gradle
index 8e27f9b9..e7f14c44 100644
--- a/fabric/testmod/build.gradle
+++ b/fabric/testmod/build.gradle
@@ -2,6 +2,13 @@ apply plugin: "dev.architectury.loom"
 
 loom {
     accessWidenerPath = project(":common").loom.accessWidenerPath
+    runs {
+        client {
+            property("modernfix.config.mixin.perf.blast_search_trees", "true")
+            property("modernfix.config.mixin.perf.dynamic_resources", "true")
+            property("modernfix.config.mixin.perf.dynamic_block_codecs", "true")
+        }
+    }
 }
 
 dependencies {