diff --git a/builder/frameworks/espidf.py b/builder/frameworks/espidf.py
index e240812..d969719 100644
--- a/builder/frameworks/espidf.py
+++ b/builder/frameworks/espidf.py
@@ -808,7 +808,7 @@ partition_table = env.Command(
         '"$PYTHONEXE" "%s" -q --flash-size "%s" $SOURCE $TARGET'
         % (
             join(FRAMEWORK_DIR, "components", "partition_table", "gen_esp32part.py"),
-            board.get("upload.flash_size", "detect"),
+            board.get("upload.flash_size", "4MB"),
         ),
         "Generating partitions $TARGET",
     ),
@@ -925,11 +925,8 @@ env.Depends("$BUILD_DIR/$PROGNAME$PROGSUFFIX", build_bootloader())
 # Target: ESP-IDF menuconfig
 #
 
-AlwaysBuild(
-    env.Alias(
-        "menuconfig", None, [env.VerboseAction(RunMenuconfig, "Running menuconfig...")]
-    )
-)
+env.AddPlatformTarget("menuconfig", None, [env.VerboseAction(
+    RunMenuconfig, "Running menuconfig...")], "Run Menuconfig")
 
 #
 # Process main parts of the framework
diff --git a/platform.json b/platform.json
index 14626de..24fa9d5 100644
--- a/platform.json
+++ b/platform.json
@@ -12,7 +12,7 @@
     "type": "git",
     "url": "https://github.com/platformio/platform-espressif32.git"
   },
-  "version": "1.12.3",
+  "version": "1.12.4",
   "packageRepositories": [
     "https://dl.bintray.com/platformio/dl-packages/manifest.json",
     "http://dl.platformio.org/packages/manifest.json",
@@ -26,15 +26,24 @@
     },
     "espidf": {
       "package": "framework-espidf",
-      "script": "builder/frameworks/espidf.py"
+      "script": "builder/frameworks/espidf.py",
+      "description": "ESP-IDF is the official development framework for the ESP32 and ESP32-S Series SoCs.",
+      "url": "https://docs.espressif.com/projects/esp-idf/en/latest/esp32/",
+      "title": "Espressif IoT Development Framework"
     },
     "simba": {
       "package": "framework-simba",
-      "script": "builder/frameworks/simba.py"
+      "script": "builder/frameworks/simba.py",
+      "description": "Simba is an RTOS and build framework with aims to make embedded programming easy and portable",
+      "url": "http://simba-os.readthedocs.org",
+      "title": "Simba"
     },
     "pumbaa": {
       "package": "framework-pumbaa",
-      "script": "builder/frameworks/pumbaa.py"
+      "script": "builder/frameworks/pumbaa.py",
+      "description": "Pumbaa is Python on top of Simba. The implementation is a port of MicroPython, designed for embedded devices with limited amount of RAM and code memory",
+      "url": "http://pumbaa.readthedocs.org/",
+      "title": "Pumbaa"
     }
   },
   "packages": {