diff --git a/CHANGELOG_LATEST.md b/CHANGELOG_LATEST.md
index 416282b97..c3ffd1eff 100644
--- a/CHANGELOG_LATEST.md
+++ b/CHANGELOG_LATEST.md
@@ -66,4 +66,5 @@ There are breaking changes between 3.5.x and earlier versions of 3.6.0. Please r
 - Use [espMqttClient](https://github.com/bertmelis/espMqttClient) with integrated queue [#1178](https://github.com/emsesp/EMS-ESP32/issues/1178)
 - Move Sensors from Web dashboard to it's own tab enhancement [#1170](https://github.com/emsesp/EMS-ESP32/issues/1170)
 - Optimize WebUI dashboard data [#1169](https://github.com/emsesp/EMS-ESP32/issues/1169)
-- Response to `system/send`` raw reads gives combined data for telegrams with more parts
+- Replace React core library with Preact to save on memory footprint
+- Response to `system/send` raw reads gives combined data for telegrams with more parts
diff --git a/interface/package.json b/interface/package.json
index 5c333b80f..931471f7e 100644
--- a/interface/package.json
+++ b/interface/package.json
@@ -68,7 +68,7 @@
     "npm-run-all": "^4.1.5",
     "prettier": "^3.0.0",
     "rollup-plugin-visualizer": "^5.9.2",
-    "terser": "^5.19.1",
+    "terser": "^5.19.2",
     "vite": "^4.4.6",
     "vite-plugin-svgr": "^3.2.0",
     "vite-tsconfig-paths": "^4.2.0"
diff --git a/interface/yarn.lock b/interface/yarn.lock
index c33b58d48..cb640505a 100644
--- a/interface/yarn.lock
+++ b/interface/yarn.lock
@@ -2007,7 +2007,7 @@ __metadata:
     react-toastify: ^9.1.3
     rollup-plugin-visualizer: ^5.9.2
     sockette: ^2.0.6
-    terser: ^5.19.1
+    terser: ^5.19.2
     typesafe-i18n: ^5.25.1
     typescript: ^5.1.6
     vite: ^4.4.6
@@ -6471,9 +6471,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"terser@npm:^5.19.1":
-  version: 5.19.1
-  resolution: "terser@npm:5.19.1"
+"terser@npm:^5.19.2":
+  version: 5.19.2
+  resolution: "terser@npm:5.19.2"
   dependencies:
     "@jridgewell/source-map": ^0.3.3
     acorn: ^8.8.2
@@ -6481,7 +6481,7 @@ __metadata:
     source-map-support: ~0.5.20
   bin:
     terser: bin/terser
-  checksum: 32f81b877240140312921c6333671ad31258dd7f1c123847f98fc31ba8f72dda7843d24bf6536501ecdfe2a619f7eb87fc56a68134f6f38d482cbe7b1aafedd3
+  checksum: 95817b86619af33d8d143d7ae02dfcd9ac2cf4ea5b5cb7b208aaccff4cdc5594893960a4c3dcdac09863ebd43e2835ab173997041790aa77092c1d31ff40c95a
   languageName: node
   linkType: hard
 
diff --git a/src/test/test.cpp b/src/test/test.cpp
index 4ee9df204..556500516 100644
--- a/src/test/test.cpp
+++ b/src/test/test.cpp
@@ -613,7 +613,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
 
         Mqtt::ha_enabled(false);
         Mqtt::nested_format(1);
-        Mqtt::send_response(false);
+        // Mqtt::send_response(false);
 
         run_test("boiler");
         // run_test("thermostat");
@@ -633,7 +633,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
 
         Mqtt::ha_enabled(true);
         Mqtt::nested_format(1);
-        Mqtt::send_response(false);
+        // Mqtt::send_response(false);
 
         run_test("boiler");
         run_test("thermostat");
@@ -703,7 +703,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
         shell.printfln("Testing custom entities");
 
         Mqtt::ha_enabled(true);
-        Mqtt::send_response(false);
+        // Mqtt::send_response(false);
 
         run_test("thermostat");
 
@@ -734,7 +734,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
         shell.printfln("Testing masked entities");
 
         Mqtt::ha_enabled(true);
-        Mqtt::send_response(false);
+        // Mqtt::send_response(false);
 
         run_test("boiler");
 
@@ -759,7 +759,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
         shell.printfln("Testing device value lost");
 
         Mqtt::ha_enabled(true);
-        Mqtt::send_response(false);
+        // Mqtt::send_response(false);
 
         run_test("boiler");
 
@@ -780,7 +780,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
         shell.printfln("Testing API getting values");
         Mqtt::ha_enabled(false);
         Mqtt::nested_format(1);
-        Mqtt::send_response(false);
+        // Mqtt::send_response(false);
         // EMSESP::bool_format(BOOL_FORMAT_10); // BOOL_FORMAT_10_STR
         EMSESP::system_.bool_format(BOOL_FORMAT_TRUEFALSE); // BOOL_FORMAT_TRUEFALSE_STR
 
@@ -813,7 +813,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
         shell.printfln("Testing MQTT incoming changes");
         Mqtt::ha_enabled(false);
         Mqtt::nested_format(1);
-        Mqtt::send_response(false);
+        // Mqtt::send_response(false);
         EMSESP::system_.bool_format(BOOL_FORMAT_10); // BOOL_FORMAT_10_STR
         // EMSESP::bool_format(BOOL_FORMAT_TRUEFALSE); // BOOL_FORMAT_TRUEFALSE_STR
 
@@ -851,7 +851,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
         // Mqtt::ha_enabled(false);
 
         Mqtt::nested_format(1);
-        Mqtt::send_response(true);
+        // Mqtt::send_response(true);
 
         run_test("boiler");
         run_test("thermostat");