diff --git a/platformio.ini b/platformio.ini
index 33907262..3f2e3f48 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -1089,7 +1089,7 @@ build_flags_S =
   -Wno-attributes -Wno-unused-variable -Wno-unused-function -Wno-deprecated-declarations ;disables some stupid warnings
   ;-D WLED_DISABLE_BROWNOUT_DET ; enable if you get "brownout detected" errors at startup 
   -D WLED_USE_MY_CONFIG
-  ; -D WLED_DISABLE_2D ;; un-comment to build a firmware without 2D matrix support
+  ; -D WLED_DISABLE_2D ;; un-commennt to build a firmware without 2D matrix support
   ; -D WLED_USE_CIE_BRIGHTNESS_TABLE ;; experimental: use different color / brightness lookup table
   ${common_mm.AR_build_flags} ; use latest (upstream) FFTLib, instead of older library modified by blazoncek. Slightly faster, more accurate, needs 2KB RAM extra   
   -D USERMOD_AUTO_PLAYLIST
@@ -1627,6 +1627,7 @@ build_flags = ${esp32_4MB_V4_S_base.esp32_build_flags}
   -D WLED_WATCHDOG_TIMEOUT=0 #-D WLED_DISABLE_BROWNOUT_DET
   -D ARDUINO_USB_CDC_ON_BOOT=0 ; needed for arduino-esp32 >=2.0.4; avoids errors on startup
   -D WLEDMM_FASTPATH ; WLEDMM experimental option. Reduces audio lag (latency), and allows for faster LED framerates. May break compatibility with previous versions.
+  -D WLEDMM_SAVE_FLASH
   -D WLED_DISABLE_LOXONE
   -D WLED_DISABLE_ALEXA
   -D WLED_DISABLE_HUESYNC
@@ -1804,6 +1805,7 @@ build_flags = ${esp32_4MB_V4_S_base.esp32_build_flags}
   -D WLED_WATCHDOG_TIMEOUT=0 #-D WLED_DISABLE_BROWNOUT_DET
   -D ARDUINO_USB_CDC_ON_BOOT=0 ; needed for arduino-esp32 >=2.0.4; avoids errors on startup
   -D WLEDMM_FASTPATH ; WLEDMM experimental option. Reduces audio lag (latency), and allows for faster LED framerates. May break compatibility with previous versions.
+  -D WLEDMM_SAVE_FLASH
   -DBOARD_HAS_PSRAM ;; -D WLED_USE_PSRAM ;; WLED_USE_PSRAM causes major slow-down (slow LEDs) on some ESP32 boards
   -D WLED_USE_PSRAM_JSON -DALL_JSON_TO_PSRAM ; WLEDMM --> force all JSON stuff into PSRAM; gives more free heap
   -D WLED_DISABLE_LOXONE ;  FLASH 1272 bytes
@@ -1840,6 +1842,7 @@ build_flags = ${esp32_4MB_V4_S_base.esp32_build_flags}
   -DCONFIG_MBEDTLS_DYNAMIC_BUFFER=1 ;; optional - seems to move more buffers into PSRAM
   ;;${Speed_Flags.build_flags_V4}  ;; optimize for speed instead of size --> over 100% flash, but works with 256KB filesystem (alternative partitions file)
   -D WLEDMM_FASTPATH ; WLEDMM experimental option. Reduces audio lag (latency), and allows for faster LED framerates. May break compatibility with previous versions.
+  -D WLEDMM_SAVE_FLASH
   -DBOARD_HAS_PSRAM  ;; -D WLED_USE_PSRAM ;; WLED_USE_PSRAM causes major slow-down (slow LEDs) on some ESP32 boards
   -D WLED_USE_PSRAM_JSON -DALL_JSON_TO_PSRAM ; WLEDMM --> force all JSON stuff into PSRAM; gives more free heap
   ;;-D CONFIG_ESP32_REV_MIN=3  ;;  disables PSRAM bug workarounds in the core, reducing the code size and improving overall performance.
@@ -1871,6 +1874,7 @@ build_flags = ${esp32_4MB_V4_M_base.esp32_build_flags}
   -D WLED_RELEASE_NAME=esp32_4MB_PSRAM_M
   -D WLED_WATCHDOG_TIMEOUT=0 #-D WLED_DISABLE_BROWNOUT_DET
   -D ARDUINO_USB_CDC_ON_BOOT=0 ; needed for arduino-esp32 >=2.0.4; avoids errors on startup
+  -D WLEDMM_SAVE_FLASH
   -DBOARD_HAS_PSRAM ;; -D WLED_USE_PSRAM ;; WLED_USE_PSRAM causes major slow-down (slow LEDs) on some ESP32 boards
   -D WLED_USE_PSRAM_JSON -DALL_JSON_TO_PSRAM ; WLEDMM --> force all JSON stuff into PSRAM; gives more free heap
   -D WLED_DISABLE_LOXONE  ;;  FLASH 1272 bytes
@@ -1912,6 +1916,7 @@ build_flags = ${common.build_flags} ${esp32s3.build_flags} -Wno-misleading-inden
   -D WLED_WATCHDOG_TIMEOUT=0 -D CONFIG_ASYNC_TCP_USE_WDT=0
   ${common_mm.build_disable_sync_interfaces}
   -D WLEDMM_FASTPATH ; WLEDMM experimental option. Reduces audio lag (latency), and allows for faster LED framerates. May break compatibility with previous versions.
+  -D WLEDMM_SAVE_FLASH
   ; -D WLED_DEBUG
   ; -D SR_DEBUG
 lib_deps = ${esp32s3.lib_deps} ${common_mm.lib_deps_S}
@@ -2079,6 +2084,7 @@ build_flags = ${common.build_flags} ${esp32s3.build_flags} -Wno-misleading-inden
   -D WLED_DISABLE_ADALIGHT    ;; disables serial protocols - recommended for Hardware-CDC USB (Serial RX will receive junk commands when RX pin is unconnected, unless its pulled down by resistor)
   ${Speed_Flags.build_flags_V4}  ;; optimize for speed instead of size
   -D WLEDMM_FASTPATH          ;; WLEDMM experimental option. Reduces audio lag (latency), and allows for faster LED framerates. May break compatibility with previous versions.
+  -D WLEDMM_SAVE_FLASH
   ${common_mm.animartrix_build_flags}
   -D WLED_WATCHDOG_TIMEOUT=0 -D CONFIG_ASYNC_TCP_USE_WDT=0
   -D WLED_DISABLE_LOXONE ; FLASH 1272 bytes