diff --git a/platformio.ini b/platformio.ini
index 275b8d5e..7d4a2661 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -10,7 +10,7 @@
 # ------------------------------------------------------------------------------
 
 # Release / CI binaries
-default_envs = nodemcuv2, esp8266_2m, esp01_1m_full, esp32dev, esp32_eth, esp32s2_saola, esp32c3, esp32s3dev_8MB
+default_envs = nodemcuv2, esp8266_2m, esp01_1m_full, esp32dev, esp32_eth, esp32s2_saola, lolin_s2_mini, esp32c3dev, esp32s3dev_8MB
 
 # Build everything
 ; default_envs = esp32dev, esp8285_4CH_MagicHome, codm-controller-0.6-rev2, codm-controller-0.6, esp32s2_saola, d1_mini_5CH_Shojo_PCB, d1_mini, sp501e, nodemcuv2, esp32_eth, anavi_miracle_controller, esp07, esp01_1m_full, m5atom, h803wf, d1_mini_ota, heltec_wifi_kit_8, esp8285_H801, d1_mini_debug, wemos_shield_esp32, elekstube_ips
@@ -113,7 +113,7 @@ build_flags =
   -D DECODE_SONY=true
   -D DECODE_SAMSUNG=true
   -D DECODE_LG=true
-  ;-Dregister= # remove warnings in C++17 due to use of deprecated register keyword by the FastLED library
+  ;-Dregister= # remove warnings in C++17 due to use of deprecated register keyword by the FastLED library ;; warning: this breaks framework code on ESP32-C3 and ESP32-S2
   -DWLED_USE_MY_CONFIG
   ; -D USERMOD_SENSORSTOMQTT
   #For ADS1115 sensor uncomment following
@@ -214,7 +214,7 @@ build_flags = -g
   -DARDUINO_ARCH_ESP32
   #-DCONFIG_LITTLEFS_FOR_IDF_3_2
   -D CONFIG_ASYNC_TCP_USE_WDT=0
-#use LITTLEFS library by lorol in ESP32 core 1.x.x instead of built-in in 2.x.x
+  #use LITTLEFS library by lorol in ESP32 core 1.x.x instead of built-in in 2.x.x
   -D LOROL_LITTLEFS
   ; -DARDUINO_USB_CDC_ON_BOOT=0 ;; this flag is mandatory for "classic ESP32" when builing with arduino-esp32 >=2.0.3
 
@@ -229,10 +229,11 @@ lib_deps =
 [esp32s2]
 ;; generic definitions for all ESP32-S2 boards
 platform = espressif32@5.2.0
+platform_packages = 
 build_flags = -g
   -DARDUINO_ARCH_ESP32
   -DARDUINO_ARCH_ESP32S2
-  -DCONFIG_IDF_TARGET_ESP32S2
+  -DCONFIG_IDF_TARGET_ESP32S2=1
   -D CONFIG_ASYNC_TCP_USE_WDT=0
   -DCO
   -DARDUINO_USB_MODE=0 ;; this flag is mandatory for ESP32-S2 !
@@ -247,10 +248,11 @@ lib_deps =
 [esp32c3]
 ;; generic definitions for all ESP32-C3 boards
 platform = espressif32@5.2.0
+platform_packages = 
 build_flags = -g
   -DARDUINO_ARCH_ESP32
   -DARDUINO_ARCH_ESP32C3
-  -DCONFIG_IDF_TARGET_ESP32C3
+  -DCONFIG_IDF_TARGET_ESP32C3=1
   -D CONFIG_ASYNC_TCP_USE_WDT=0
   -DCO
   -DARDUINO_USB_MODE=1 ;; this flag is mandatory for ESP32-C3
@@ -265,11 +267,12 @@ lib_deps =
 [esp32s3]
 ;; generic definitions for all ESP32-S3 boards
 platform = espressif32@5.2.0
+platform_packages = 
 build_flags = -g
   -DESP32
   -DARDUINO_ARCH_ESP32
   -DARDUINO_ARCH_ESP32S3
-  -DCONFIG_IDF_TARGET_ESP32S3
+  -DCONFIG_IDF_TARGET_ESP32S3=1
   -D CONFIG_ASYNC_TCP_USE_WDT=0
   -DCO
   ;; please make sure that the following flags are properly set (to 0 or 1) by your board.json, or included in your custom platformio_override.ini entry:
@@ -396,15 +399,18 @@ build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} ${esp32s2.build_flags} #-D WLED_RELEASE_NAME=S2_saola
 lib_deps = ${esp32s2.lib_deps}
 
-[env:esp32c3]
-platform = {esp32c3.platform}
+[env:esp32c3dev]
+extends = esp32c3
+platform = ${esp32c3.platform}
+platform_packages = ${esp32c3.platform_packages}
 ; platform = espressif32@~5.2.0 ;; might help in case you experience bootloops due to corrupted flash filesystem
 framework = arduino
 board = esp32-c3-devkitm-1
 board_build.partitions = tools/WLED_ESP32_4MB_1MB_FS.csv
 build_flags = ${common.build_flags} ${esp32c3.build_flags} #-D WLED_RELEASE_NAME=ESP32-C3
   -D WLED_WATCHDOG_TIMEOUT=0
-  ; -DARDUINO_USB_CDC_ON_BOOT=1 ;; for virtual USB
+  ; -DARDUINO_USB_CDC_ON_BOOT=1 ;; for virtual CDC USB
+  -DARDUINO_USB_CDC_ON_BOOT=0   ;; for serial-to-USB chip
 upload_speed = 460800
 build_unflags = ${common.build_unflags}
 lib_deps = ${esp32c3.lib_deps}
@@ -412,8 +418,8 @@ lib_deps = ${esp32c3.lib_deps}
 [env:esp32s3dev_8MB]
 ;; ESP32-S3-DevKitC-1 development board, with 8MB FLASH, no PSRAM (flash_mode: qio)
 board = esp32-s3-devkitc-1
-platform = {esp32s3.platform}
-platform_packages =
+platform = ${esp32s3.platform}
+platform_packages = ${esp32s3.platform_packages}
 upload_speed = 921600 ; or  460800
 build_unflags = ${common.build_unflags}
 build_flags =  ${common.build_flags} ${esp32s3.build_flags} 
@@ -433,8 +439,8 @@ monitor_filters = esp32_exception_decoder
 ;board = um_tinys3 ;    -> needs workaround from https://github.com/Aircoookie/WLED/pull/2905#issuecomment-1328049860
 ;board = esp32s3box   ; -> error: 'esp32_adc2gpio' was not declared in this scope
 board = esp32-s3-devkitc-1 ; -> compiles, but does not support PSRAM
-platform = {esp32s3.platform}
-platform_packages = 
+platform = ${esp32s3.platform}
+platform_packages = ${esp32s3.platform_packages}
 upload_speed = 921600
 build_unflags = ${common.build_unflags}
 build_flags =  ${common.build_flags} ${esp32s3.build_flags} 
@@ -511,10 +517,11 @@ build_flags = ${common.build_flags_esp8266} -D LEDPIN=12 -D IRPIN=-1 -D RLYPIN=2
 lib_deps = ${esp8266.lib_deps}
 
 [env:lolin_s2_mini]
-platform = {esp32s2.platform}
+platform = ${esp32s2.platform}
+platform_packages = ${esp32s2.platform_packages}
 board = lolin_s2_mini
 board_build.partitions = tools/WLED_ESP32_4MB_1MB_FS.csv
-build_unflags = ${common.build_unflags}
+build_unflags = ${common.build_unflags} -DARDUINO_USB_CDC_ON_BOOT=1
 build_flags = ${common.build_flags} ${esp32s2.build_flags} #-D WLED_RELEASE_NAME=LolinS2
   -DBOARD_HAS_PSRAM
   -DARDUINO_USB_CDC_ON_BOOT=0