diff --git a/platformio.ini b/platformio.ini
index b1ce10e2..ca7bbbef 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -1643,9 +1643,10 @@ build_flags = ${esp32_4MB_V4_S_base.esp32_build_flags}
   ; -D WLED_DEBUG
   ; -D SR_DEBUG
   ; -D MIC_LOGGER
-  -D WLED_ENABLE_HUB75MATRIX
+  ${common_mm.HUB75_build_flags}
 
 lib_deps = ${esp32_4MB_V4_S_base.esp32_lib_deps}
+    ${common_mm.HUB75_lib_deps}
 lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
  ; RAM:   [===       ]  28.1% (used 91960 bytes from 327680 bytes)
  ; Flash: [==========]  97.8% (used 1537777 bytes from 1572864 bytes)
@@ -1662,14 +1663,14 @@ build_unflags = ${esp32_4MB_V4_S_base.build_unflags}
   -DARDUINO_EVENT_RUNNING_CORE=1
   ;;-DCORE_DEBUG_LEVEL=0
   ;; -D NDEBUG
-  -D NO_CIE1931 ;; Do use LED brightness compensation described in CIE 1931
+  ;; -D NO_CIE1931 ;; Do use LED brightness compensation described in CIE 1931
 
 build_flags = ${esp32_4MB_V4_S_base.esp32_build_flags}
   ;; -Wsuggest-attribute=const -Wsuggest-attribute=pure
   ;; -Wmissing-noreturn -Wmissing-return
   ;; -Wall -Wextra 
   -Wno-unused-value -Wno-format -Wno-type-limits
-  -D WLED_RELEASE_NAME=esp32_4MB_V4_HUB75
+  -D WLED_RELEASE_NAME=esp32_4MB_V4_HUB75_forum
   ${Speed_Flags.build_flags_V4}  ;; -O2 -> optimize for speed instead of size
   ;; -D DEBUG
   -D WLED_WATCHDOG_TIMEOUT=0 #-D WLED_DISABLE_BROWNOUT_DET
@@ -1684,8 +1685,8 @@ build_flags = ${esp32_4MB_V4_S_base.esp32_build_flags}
   ;; -D WLED_DEBUG
   ;; -D SR_DEBUG
   -D WLED_BOOTUPDELAY=350
-  -D WLED_ENABLE_HUB75MATRIX -DESP32_FORUM_PINOUT 
-  ;; -D HUB75_NO_DOUBLEBUFFER ;; -D PIXEL_COLOUR_DEPTH_BITS=12
+  ${common_mm.HUB75_build_flags}
+  -DESP32_FORUM_PINOUT 
   ${common_mm.animartrix_build_flags}
   ;;-DARDUINO_EVENT_RUNNING_CORE=0  ;; assign Wifi to core0, to have more CPU on core#1 (arduino loop)
   ;;-DARDUINO_RUNNING_CORE=1        ;; should be default, but does not hurt
@@ -1696,11 +1697,9 @@ build_flags = ${esp32_4MB_V4_S_base.esp32_build_flags}
   -D WLEDMM_SAVE_FLASH
   -D WLED_DISABLE_BROWNOUT_DET
   ;;-DCORE_DEBUG_LEVEL=1
-  ;;-D WLED_DISABLE_PARTICLESYSTEM1D
-  ;;-D WLED_DISABLE_PARTICLESYSTEM2D
-  ;;-D WLED_DISABLE_PARTICLESYSTEM_BUFFER
 
 lib_deps = ${esp32_4MB_V4_S_base.esp32_lib_deps}
+    ${common_mm.HUB75_lib_deps}
     ${common_mm.animartrix_lib_deps}
 lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
   ;; ${common_mm.DMXin_lib_ignore}