diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9472840..2946d42 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,6 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
         example:
           - "libraries/n-able/examples/FreeRTOS"
           - "libraries/n-able/examples/BLE_Advertiser"
@@ -26,7 +27,7 @@ jobs:
           - Generic_nRF52840
           - feather52840
 
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
 
     steps:
       - uses: actions/checkout@v6
@@ -45,7 +46,7 @@ jobs:
           cli-version: latest
           platforms: |
             - name: "n-able-Arduino:arm-ble"
-              source-url: "https://h2zero.github.io/n-able-Arduino/package_n-able_boards_index.json"
+              source-url: "https://h2zero.github.io/n-able-Arduino/package_n-able_boards_test_index.json"
               version: latest
             - name: "n-able-Arduino:arm-ble"
               source-path: .
@@ -53,79 +54,3 @@ jobs:
             - name: NimBLE-Arduino
           fqbn: "n-able-Arduino:arm-ble:${{ matrix.variant }}"
           sketch-paths: ${{ matrix.example }}
-
-  build_pio:
-    strategy:
-      fail-fast: false
-      matrix:
-        example:
-          - "example/lib/examples/Bluetooth_5/NimBLE_extended_server"
-          - "example/lib/examples/NimBLE_Server"
-          - "example/lib/examples/NimBLE_Client"
-        variant:
-          - generic_nrf51822_xxaa
-          - generic_nrf52810
-          - generic_nrf52832
-          - generic_nrf52833
-          - generic_nrf52840
-          - adafruit_feather_nrf52840
-        nimble_version:
-          - release/2.3
-          - master
-        include:
-          - example: "example/lib/examples/Bluetooth_5/NimBLE_extended_server"
-            flags: build_flags = '-DCONFIG_BT_NIMBLE_EXT_ADV=1'
-          - example: "example/lib/examples/Bluetooth_5/NimBLE_extended_server"
-            nimble_version: master
-            flags: build_flags = '-DMYNEWT_VAL_BLE_EXT_ADV=1'
-          - variant: adafruit_feather_nrf52840
-            bootloader: board_bootloader = adafruit
-        exclude:
-          - example: "example/lib/examples/Bluetooth_5/NimBLE_extended_server"
-            variant: generic_nrf51822_xxaa
-          - example: "example/lib/examples/Bluetooth_5/NimBLE_extended_server"
-            variant: generic_nrf52832
-          - example: "example/lib/examples/Bluetooth_5/NimBLE_extended_server"
-            variant: generic_nrf52810
-
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Make build folders
-        run: |
-          mkdir -p example/framework
-          mkdir example/src
-          mkdir example/lib
-      - name: Checkout n-able-arduino
-        uses: actions/checkout@v6
-        with:
-          path: example/framework
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.x"
-      - name: Install platformio
-        run: |
-          python -m pip install --upgrade pip
-          pip install platformio
-      - name: Checkout NimBLE_Arduino
-        uses: actions/checkout@v6
-        with:
-          repository: h2zero/NimBLE-Arduino
-          ref: ${{ matrix.nimble_version }}
-          path: example/lib
-      - name: Build n-able PIO
-        run: |
-          cat > example/platformio.ini << EOF
-            [env]
-            platform = https://github.com/h2zero/platform-n-able.git
-            platform_packages = framework-n-able-arduino @ file://./framework
-            framework = arduino
-            ${{ matrix.flags }}
-            ${{ matrix.bootloader }}
-
-            [env:${{ matrix.variant }}]
-            board = ${{ matrix.variant }}
-          EOF
-          cp ${{ matrix.example }}/* example/src/
-          platformio run -d example
diff --git a/platform.txt b/platform.txt
index f46ee72..fc6cfc7 100644
--- a/platform.txt
+++ b/platform.txt
@@ -28,7 +28,7 @@ compiler.warning_flags.default=
 compiler.warning_flags.more=-Wall
 compiler.warning_flags.all=-Wall -Wextra
 
-compiler.path={runtime.tools.gcc-arm-none-eabi-9.3.1-1.path}/bin/
+compiler.path={runtime.tools.gcc-arm-none-eabi-10.3.1-2.1.path}/bin/
 compiler.c.cmd=arm-none-eabi-gcc
 compiler.c.flags=-mcpu={build.mcu} -mthumb -c -g -Os {compiler.warning_flags} {build.float_flags} -Wno-unused-parameter -Wno-sign-compare -Wno-old-style-declaration -std=gnu11 -ffunction-sections -fdata-sections -nostdlib --param max-inline-insns-single=500 -MMD
 compiler.c.elf.cmd=arm-none-eabi-g++