diff --git a/platformio_override.sample.ini b/platformio_override.sample.ini
index 597f4873..cd22d585 100644
--- a/platformio_override.sample.ini
+++ b/platformio_override.sample.ini
@@ -549,11 +549,12 @@ platform_packages =
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags}
   -D WLED_RELEASE_NAME=\"ESP32_hub75\"
-  -D WLED_ENABLE_HUB75MATRIX -D NO_GFX -D NO_CIE1931
-  ; -D ESP32_FORUM_PINOUT ;; enable for SmartMatrix default pins
+  -D WLED_ENABLE_HUB75MATRIX -D NO_GFX
+  -D LED_TYPES=65
+  -D WLED_DEBUG_BUS
   ; -D WLED_DEBUG
 lib_deps = ${esp32_idf_V4.lib_deps}
-  https://github.com/mrfaptastic/ESP32-HUB75-MatrixPanel-DMA.git#3.0.11
+  https://github.com/mrfaptastic/ESP32-HUB75-MatrixPanel-DMA.git#3.0.12
 
 monitor_filters = esp32_exception_decoder
 board_build.partitions = ${esp32.default_partitions}
@@ -563,11 +564,14 @@ board_build.flash_mode = dio
 extends = env:esp32dev_hub75
 build_flags = ${common.build_flags}
               -D WLED_RELEASE_NAME=\"ESP32_hub75_forum_pinout\"
-              -D WLED_ENABLE_HUB75MATRIX -D NO_GFX -D NO_CIE1931
+              -D WLED_ENABLE_HUB75MATRIX -D NO_GFX 
               -D ESP32_FORUM_PINOUT ;; enable for SmartMatrix default pins
+              -D LED_TYPES=65
+              -D WLED_DEBUG_BUS
 ; -D WLED_DEBUG
 
 
+
 [env:adafruit_matrixportal_esp32s3]
 ; ESP32-S3 processor, 8 MB flash, 2 MB of PSRAM, dedicated driver pins for HUB75
 board = adafruit_matrixportal_esp32s3
@@ -581,9 +585,12 @@ build_flags = ${common.build_flags} ${esp32s3.build_flags} -D WLED_RELEASE_NAME=
   -DLOLIN_WIFI_FIX ; seems to work much better with this
   -D WLED_WATCHDOG_TIMEOUT=0
   ${esp32.AR_build_flags}
-  -D WLED_ENABLE_HUB75MATRIX -D NO_GFX -D NO_CIE1931
+  -D WLED_ENABLE_HUB75MATRIX -D NO_GFX 
   -D S3_LCD_DIV_NUM=20 ;; Attempt to fix wifi performance issue when panel active with S3 chips
   -D ARDUINO_ADAFRUIT_MATRIXPORTAL_ESP32S3
+  -D LED_TYPES=65
+  -D WLED_DEBUG_BUS
+
 
 lib_deps = ${esp32s3.lib_deps}
   ${esp32.AR_lib_deps}
@@ -607,9 +614,11 @@ build_flags = ${common.build_flags} ${esp32s3.build_flags} -D WLED_RELEASE_NAME=
               -DLOLIN_WIFI_FIX ; seems to work much better with this
               -D WLED_WATCHDOG_TIMEOUT=0
               ${esp32.AR_build_flags}
-              -D WLED_ENABLE_HUB75MATRIX -D NO_GFX -D NO_CIE1931
+              -D WLED_ENABLE_HUB75MATRIX -D NO_GFX 
               -D S3_LCD_DIV_NUM=20 ;; Attempt to fix wifi performance issue when panel active with S3 chips
               -D MOONHUB_S3_PINOUT ;; HUB75 pinout
+              -D LED_TYPES=65
+              -D WLED_DEBUG_BUS
 
 lib_deps = ${esp32s3.lib_deps}
            ${esp32.AR_lib_deps}
diff --git a/wled00/bus_manager.cpp b/wled00/bus_manager.cpp
index b647d94f..c2838425 100644
--- a/wled00/bus_manager.cpp
+++ b/wled00/bus_manager.cpp
@@ -1021,9 +1021,6 @@ void __attribute__((hot)) BusHub75Matrix::setPixelColor(unsigned pix, uint32_t c
     if ((c == IS_BLACK) && (getBitFromArray(_ledsDirty, pix) == false)) return; // ignore black if pixel is already black
     setBitInArray(_ledsDirty, pix, c != IS_BLACK);                              // dirty = true means "color is not BLACK"
 
-    #ifndef NO_CIE1931
-    c = unGamma24(c); // to use the driver linear brightness feature, we first need to undo WLED gamma correction
-    #endif
     uint8_t r = R(c);
     uint8_t g = G(c);
     uint8_t b = B(c);
@@ -1069,9 +1066,6 @@ void BusHub75Matrix::show(void) {
     for (int y=0; y<height; y++) for (int x=0; x<width; x++) {
       if (getBitFromArray(_ledsDirty, pix) == true) {        // only repaint the "dirty"  pixels
         uint32_t c = uint32_t(_ledBuffer[pix]) & 0x00FFFFFF; // get RGB color, removing FastLED "alpha" component
-        #ifndef NO_CIE1931
-        c = unGamma24(c); // to use the driver linear brightness feature, we first need to undo WLED gamma correction
-        #endif
         uint8_t r = R(c);
         uint8_t g = G(c);
         uint8_t b = B(c);