diff --git a/platformio.ini b/platformio.ini
index 82e55d676a..f1613fc6bd 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -449,10 +449,13 @@ platform = ${esp32.platform}
 platform_packages = ${esp32.platform_packages}
 upload_speed = 460800 ; 921600
 build_unflags = ${common.build_unflags}
-build_flags = ${common.build_flags_esp32} -D WLED_RELEASE_NAME=soundReactive_esp32dev -D WLED_DISABLE_MQTT -D WLED_DISABLE_LOXONE
+build_flags = ${common.build_flags_esp32} -D WLED_RELEASE_NAME=soundReactive_esp32dev
+  -D WLED_DISABLE_MQTT -D WLED_DISABLE_LOXONE
+  -D WLED_DISABLE_ALEXA -D WLED_DISABLE_INFRARED
   -D USERMOD_ARTIFX ; WLEDMM usermod
 lib_deps = ${esp32.lib_deps}
-monitor_filters = esp32_exception_decoder
+lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
+monitor_filters = esp32_exception_decoder ; used to show crash details
 board_build.partitions = ${esp32.default_partitions}
 board_build.f_flash = 80000000L
 board_build.flash_mode = dio
@@ -463,9 +466,14 @@ platform = ${esp32.platform}
 platform_packages = ${esp32.platform_packages}
 upload_speed = 921600
 build_unflags = ${common.build_unflags}
-build_flags = ${common.build_flags_esp32} -D WLED_RELEASE_NAME=soundReactive_esp32_eth -D RLYPIN=-1 -D WLED_USE_ETHERNET -D BTNPIN=-1 -D WLED_DISABLE_MQTT -D WLED_DISABLE_LOXONE
+build_flags = ${common.build_flags_esp32} -D WLED_RELEASE_NAME=soundReactive_esp32_eth -D RLYPIN=-1 -D WLED_USE_ETHERNET -D BTNPIN=-1
+  -D WLED_DISABLE_MQTT -D WLED_DISABLE_LOXONE
+  -D WLED_DISABLE_ALEXA -D WLED_DISABLE_INFRARED
   -D USERMOD_ARTIFX ; WLEDMM usermod
 lib_deps = ${esp32.lib_deps}
+; lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
+; monitor_filters = esp32_exception_decoder ; used to show crash details
+
 board_build.partitions = ${esp32.default_partitions}
 ; board_build.f_flash = 80000000L
 ; board_build.flash_mode = dio
@@ -476,10 +484,13 @@ platform = ${esp32.platform}
 platform_packages = ${esp32.platform_packages}
 upload_speed = 921600
 build_unflags = ${common.build_unflags}
-build_flags = ${common.build_flags_esp32} -D WLED_DISABLE_MQTT -D WLED_DISABLE_LOXONE
+build_flags = ${common.build_flags_esp32}
+  -D WLED_DISABLE_MQTT -D WLED_DISABLE_LOXONE
+  -D WLED_DISABLE_ALEXA -D WLED_DISABLE_INFRARED
   -D USERMOD_ARTIFX ; WLEDMM usermod
 lib_deps = ${esp32.lib_deps}
-monitor_filters = esp32_exception_decoder
+; lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
+monitor_filters = esp32_exception_decoder ; used to show crash details
 board_build.partitions = ${esp32.default_partitions}
 board_build.f_flash = 80000000L
 board_build.flash_mode = dio
@@ -490,10 +501,13 @@ platform = ${esp32.platform}
 platform_packages = ${esp32.platform_packages}
 upload_speed = 921600
 build_unflags = ${common.build_unflags}
-build_flags = ${common.build_flags_esp32} -D WLED_DISABLE_MQTT -D WLED_DISABLE_LOXONE
+build_flags = ${common.build_flags_esp32}
+  -D WLED_DISABLE_MQTT -D WLED_DISABLE_LOXONE
+  -D WLED_DISABLE_ALEXA -D WLED_DISABLE_INFRARED
   -D USERMOD_ARTIFX ; WLEDMM usermod
 lib_deps = ${esp32.lib_deps}
-monitor_filters = esp32_exception_decoder
+; lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
+monitor_filters = esp32_exception_decoder ; used to show crash details
 board_build.f_cpu = 240000000L
 board_upload.flash_size = 16MB
 board_upload.maximum_size = 16777216
@@ -512,6 +526,8 @@ build_flags = ${common.build_flags_esp32}
   -D WLED_RELEASE_NAME=soundReactive_m5atom
   -D WLED_DISABLE_MQTT
   -D WLED_DISABLE_LOXONE
+  -D WLED_DISABLE_ALEXA
+  -D WLED_DISABLE_INFRARED
   -D LEDPIN=27
   -D BTNPIN=39
   -D I2S_SDPIN=26 -D I2S_WSPIN=32 -D I2S_CKPIN=-1 -D MCLK_PIN=-1 ;; PDM microphone pins
@@ -520,7 +536,8 @@ build_flags = ${common.build_flags_esp32}
   -D USERMOD_ARTIFX ; WLEDMM usermod
 lib_deps = ${esp32.lib_deps}
   m5stack/M5Atom @ ~0.1.0  ;; specific hardware driver library
-monitor_filters = esp32_exception_decoder
+lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
+monitor_filters = esp32_exception_decoder ; used to show crash details
 board_build.partitions = ${esp32.default_partitions}
 board_build.f_flash = 80000000L
 board_build.flash_mode = dio
@@ -536,9 +553,11 @@ build_flags = ${common.build_flags_esp32}
   -D WLED_RELEASE_NAME=soundReactive_m5StickC_Plus
   -D WLED_DISABLE_MQTT
   -D WLED_DISABLE_LOXONE
+  -D WLED_DISABLE_ALEXA
   -D LEDPIN=32
   -D BTNPIN=37
   ; -D IRPIN=9 ;; gpio 9 will not work in WLED - its a "reserved pin" for flash memory
+  -D WLED_DISABLE_INFRARED
   ; -D STATUSLED=10 ;; gpio 10 will not work either, for the same reason
   -D I2S_SDPIN=34 -D I2S_WSPIN=0 -D I2S_CKPIN=-1 -D MCLK_PIN=-1  ;; PDM microphone pins
   -D DMENABLED=5 -D SR_SQUELCH=5 -D SR_GAIN=75    ;; SPM1423 specific sound settings
@@ -546,7 +565,8 @@ build_flags = ${common.build_flags_esp32}
   -D USERMOD_ARTIFX ; WLEDMM usermod
 lib_deps = ${esp32.lib_deps}
   https://github.com/m5stack/M5StickC-Plus.git @ ~0.0.8  ;; specific hardware driver library
-monitor_filters = esp32_exception_decoder
+lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
+monitor_filters = esp32_exception_decoder ; used to show crash details
 board_build.partitions = ${esp32.default_partitions}
 board_build.f_flash = 80000000L
 ;; board_build.flash_mode = dio
@@ -562,6 +582,7 @@ build_flags = ${common.build_flags_esp32}
   -D WLED_RELEASE_NAME=soundReactive_m5stamp-pico
   -D WLED_DISABLE_MQTT
   -D WLED_DISABLE_LOXONE
+  -D WLED_DISABLE_ALEXA -D WLED_DISABLE_INFRARED
   -D LEDPIN=27
   -D BTNPIN=39
   -D I2S_SDPIN=26 -D I2S_WSPIN=32 -D I2S_CKPIN=-1 -D MCLK_PIN=-1 ;; PDM microphone pins
@@ -569,7 +590,8 @@ build_flags = ${common.build_flags_esp32}
   ;-D I2S_USE_RIGHT_CHANNEL                       ;; might be needed, if your microphone uses the right channel instead of left
   -D USERMOD_ARTIFX ; WLEDMM usermod
 lib_deps = ${esp32.lib_deps}
-monitor_filters = esp32_exception_decoder
+lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
+monitor_filters = esp32_exception_decoder ; used to show crash details
 board_build.partitions = ${esp32.default_partitions}
 board_build.f_flash = 80000000L
 board_build.flash_mode = dout
@@ -591,6 +613,8 @@ build_flags = ${common.build_flags_esp32}
   -D UWLED_USE_MY_CONFIG
   -D USERMOD_DALLASTEMPERATURE
   -D USERMOD_FOUR_LINE_DISPLAY
+  -D WLED_DISABLE_MQTT -D WLED_DISABLE_LOXONE
+  -D WLED_DISABLE_ALEXA ;; -D WLED_DISABLE_INFRARED
   -D USERMOD_ARTIFX ; WLEDMM usermod
   -D TEMPERATURE_PIN=23
 lib_deps = ${esp32.lib_deps}
@@ -609,6 +633,7 @@ build_flags_S =
   -Wall -Wformat -Woverflow -Wuninitialized -Winit-self -Warray-bounds ; enables more warnings
   -Wno-attributes -Wno-unused-variable -Wno-unused-function -Wno-deprecated-declarations ;disables some stupid warnings
   -D WLED_DISABLE_MQTT -D WLED_DISABLE_LOXONE
+  ;; -D WLED_DISABLE_INFRARED ;; -D WLED_DISABLE_ALEXA
   ;-D WLED_DISABLE_BLYNK ; BLYNK is only provided for backwards compatibility (no new users accepted). Additionally, it calls analogRead() which could confuse analog mics
   ;-D WLED_DISABLE_BROWNOUT_DET ; enable if you get "brownout detected" errors at startup
   -D USERMOD_ARTIFX ; WLEDMM usermod
@@ -645,6 +670,8 @@ upload_speed = 460800 ; or 921600
 platform_packages = ${esp32.platform_packages}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags_esp32} ${common_sr.build_flags_S}
+  -D WLED_DISABLE_ALEXA
+  -D WLED_DISABLE_INFRARED
 lib_deps = ${esp32.lib_deps} ${common_sr.lib_deps_S}
 board_build.partitions = ${esp32.default_partitions}
 board_build.f_flash = 80000000L ; use full 80MHz speed for flash (default = 40Mhz)
@@ -653,6 +680,8 @@ board_build.flash_mode = dio ; (dio = dual i/o; more compatible than qio = quad
 ;esp32_4MB_M_base: basis for max entries, uses esp32_4MB_S_base, build_flags_M and lib_deps_M
 [esp32_4MB_M_base]
 extends = esp32_4MB_S_base
+build_unflags = ${common.build_unflags}
+  -D WLED_DISABLE_INFRARED ;; support IR Remotes in"_M" builds
 build_flags = ${esp32_4MB_S_base.build_flags} ${common_sr.build_flags_M}
 lib_deps = ${esp32_4MB_S_base.lib_deps} ${common_sr.lib_deps_M}
 board_build.partitions = ${esp32_4MB_S_base.board_build.partitions}
diff --git a/wled00/alexa.cpp b/wled00/alexa.cpp
index e41b7e3fb8..879196300c 100644
--- a/wled00/alexa.cpp
+++ b/wled00/alexa.cpp
@@ -10,6 +10,8 @@
 #include "src/dependencies/espalexa/EspalexaDevice.h"
 
 #ifndef WLED_DISABLE_ALEXA
+#warning Alexa enabled. Alexa is not officially supported in WLED-SR
+
 void onAlexaChange(EspalexaDevice* dev);
 
 void alexaInit()
diff --git a/wled00/mqtt.cpp b/wled00/mqtt.cpp
index 85aa85f3f6..4e70dad374 100644
--- a/wled00/mqtt.cpp
+++ b/wled00/mqtt.cpp
@@ -5,6 +5,8 @@
  */
 
 #ifdef WLED_ENABLE_MQTT
+#warning MQTT enabled. MQTT is not officially supported in WLED-SR
+
 #define MQTT_KEEP_ALIVE_TIME 60    // contact the MQTT broker every 60 seconds
 
 void parseMQTTBriPayload(char* payload)
diff --git a/wled00/wled.h b/wled00/wled.h
index a648ad832a..d40a917179 100644
--- a/wled00/wled.h
+++ b/wled00/wled.h
@@ -8,7 +8,7 @@
  */
 
 // version code in format yymmddb (b = daily build)
-#define VERSION 2308301                // WLEDSR specific version
+#define VERSION 2309021                // WLEDSR specific version
 #define SR_VERSION_NAME "0.13.4-beta"  // WLEDSR version name --> some files need manual updating: package.json, package-lock.json, improv.cpp
 
 #define AC_VERSION 2208222             // AC WLED base version; last updated by PR #239 -> Merge AC-0.13.3 into dev
@@ -32,10 +32,10 @@
 #endif
 
 // You need to choose some of these features to disable:
-#define WLED_DISABLE_ALEXA         // saves 11kb
+//#define WLED_DISABLE_ALEXA         // saves 11kb
 #define WLED_DISABLE_BLYNK         // saves 6kb
 #define WLED_DISABLE_HUESYNC       // saves 4kb
-#define WLED_DISABLE_INFRARED      // there is no pin left for this on ESP8266-01, saves 12kb
+// #define WLED_DISABLE_INFRARED      // there is no pin left for this on ESP8266-01, saves 12kb
 #ifndef WLED_DISABLE_MQTT
   #define WLED_ENABLE_MQTT         // saves 12kb
 #endif