diff --git a/.github/workflows/wled-ci.yml b/.github/workflows/wled-ci.yml
index d9933bd3..e875ca18 100644
--- a/.github/workflows/wled-ci.yml
+++ b/.github/workflows/wled-ci.yml
@@ -8,15 +8,15 @@ jobs:
     name: Gather Environments
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Cache pip
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
         restore-keys: |
           ${{ runner.os }}-pip-
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v5
       with:
         python-version: '3.9'
     - name: Install PlatformIO
@@ -38,21 +38,24 @@ jobs:
       matrix:
         environment: ${{ fromJSON(needs.get_default_envs.outputs.environments) }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Cache pip
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
         restore-keys: |
           ${{ runner.os }}-pip-
     - name: Cache PlatformIO
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/.platformio
         key: ${{ runner.os }}-${{ matrix.environment}}-${{ hashFiles('platformio.ini') }}
+        restore-keys: |
+          ${{ runner.os }}-${{ matrix.environment}}
+
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
           python-version: '3.9'
     - name: Install PlatformIO
@@ -61,16 +64,16 @@ jobs:
       env:
         WLED_RELEASE: True
       run: pio run -e ${{ matrix.environment }}
-    - uses: actions/upload-artifact@v2
+    - name: Rename Bin
+      run: mv -v .pio/build/${{ matrix.environment }}/firmware.bin firmware-${{ matrix.environment }}.bin
+    - uses: actions/upload-artifact@v4
       with:
         name: firmware-${{ matrix.environment }}
-        path: |
-          build_output/firmware/*.bin
-          build_output/firmware/*.gz
-    - uses: actions/upload-artifact@v2
+        path: firmware-${{ matrix.environment }}.bin
+    - uses: actions/upload-artifact@v4
       if: startsWith(github.ref, 'refs/tags/')
       with:
-        name: firmware-release
+        name: firmware-release-${{ matrix.environment }}
         path: build_output/release/*.bin
   release:
     name: Create Release
@@ -78,9 +81,11 @@ jobs:
     needs: [get_default_envs, build]
     if: startsWith(github.ref, 'refs/tags/')
     steps:
-    - uses: actions/download-artifact@v2
+    - uses: actions/download-artifact@v4
       with:
-        name: firmware-release
+        name: firmware-release-*
+    - name: List Artifacts
+      run: find ./
     - name: Create draft release
       uses: softprops/action-gh-release@v1
       with:
diff --git a/platformio.ini b/platformio.ini
index b5b93187..34b118e7 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -248,7 +248,7 @@ lib_deps =
     ;;makuna/NeoPixelBus @ 2.7.5 ;; WLEDMM will be added in board specific sections
     ;;https://github.com/Aircoookie/ESPAsyncWebServer.git @ ~2.0.7
     ;; https://github.com/lost-hope/ESPAsyncWebServer.git#master  ;; WLEDMM to display .log and .wled files in /edit
-    https://github.com/Aircoookie/ESPAsyncWebServer.git @ 2.2.1  ;; newer with bugfixes and stability improvements
+    https://github.com/Aircoookie/ESPAsyncWebServer.git#v2.2.1  ;; newer with bugfixes and stability improvements
   #For use of the TTGO T-Display ESP32 Module with integrated TFT display uncomment the following line
     #TFT_eSPI
   #For compatible OLED display uncomment following
@@ -297,6 +297,37 @@ lib_deps =
   makuna/NeoPixelBus @ 2.7.5
   ${env.lib_deps}
 
+;; compatibilty flags - same as 0.14.0 which seems to work better on some 8266 boards. Not using PIO_FRAMEWORK_ARDUINO_MMU_CACHE16_IRAM48
+build_flags_compat =
+  -DESP8266
+  -DFP_IN_IROM
+  ;;-Wno-deprecated-declarations
+  -Wno-misleading-indentation
+  ;;-Wno-attributes ;; silence warnings about unknown attribute 'maybe_unused' in NeoPixelBus
+  -DPIO_FRAMEWORK_ARDUINO_ESPRESSIF_SDK22x_190703
+  -DPIO_FRAMEWORK_ARDUINO_LWIP_HIGHER_BANDWIDTH
+  -DVTABLES_IN_FLASH
+  -DMIMETYPE_MINIMAL
+  -DWLED_SAVE_IRAM ;; needed to prevent linker error
+
+;; this platform version was used for WLED 0.14.0
+platform_compat = espressif8266@4.2.0
+platform_packages_compat =
+                    platformio/toolchain-xtensa @ ~2.100300.220621 #2.40802.200502
+                    platformio/tool-esptool #@ ~1.413.0
+                    platformio/tool-esptoolpy #@ ~1.30000.0
+
+;; experimental - for using older NeoPixelBus 2.7.9
+lib_deps_compat =
+  ESPAsyncTCP @ 1.2.2
+  ESPAsyncUDP
+  ESP8266PWM
+  fastled/FastLED @ 3.6.0
+  IRremoteESP8266 @ 2.8.2
+  makuna/NeoPixelBus @ 2.7.9
+  https://github.com/Aircoookie/ESPAsyncWebServer.git#v2.2.1
+
+
 [esp32]
 #platform = https://github.com/tasmota/platform-espressif32/releases/download/v2.0.2.3/platform-espressif32-2.0.2.3.zip
 platform = espressif32@3.5.0
diff --git a/wled00/FX_fcn.cpp b/wled00/FX_fcn.cpp
index 1f086fe0..95e0028c 100644
--- a/wled00/FX_fcn.cpp
+++ b/wled00/FX_fcn.cpp
@@ -2558,6 +2558,7 @@ bool WS2812FX::deserializeMap(uint8_t n) {
     uint16_t maxHeight = atoi(cleanUpName(fileName));
     //DEBUG_PRINTF(" (\"height\": %s) \n", fileName)
 
+    #ifndef WLEDMM_NO_MAP_RESET
     //WLEDMM: support ledmap file properties width and height: if found change segment
     if (maxWidth * maxHeight > 0) {
       Segment::maxWidth = maxWidth;
@@ -2566,6 +2567,7 @@ bool WS2812FX::deserializeMap(uint8_t n) {
     }
     else
       setUpMatrix(); //reset segment sizes to panels
+    #endif
   }
 
   USER_PRINTF("deserializeMap %d x %d\n", Segment::maxWidth, Segment::maxHeight);