diff --git a/.github/workflows/build-corne-nice_nano.yml b/.github/workflows/build-corne-nice_nano.yml
new file mode 100644
index 0000000..6ddf511
--- /dev/null
+++ b/.github/workflows/build-corne-nice_nano.yml
@@ -0,0 +1,145 @@
+name: 'Build corne nice_nano'
+on:
+  - workflow_dispatch
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container:
+      image: zmkfirmware/zmk-build-arm:2.5
+    strategy:
+      fail-fast: false
+      matrix:
+        shield:
+          - corne_left # in
+          - corne_right # in
+        board:
+          - nice_nano # in
+        alphas:
+          - ""
+        nav:
+          - ""
+        clipboard:
+          - ""
+        layers:
+          - ""
+        mapping:
+          - ""
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Process inputs
+        id: inputs
+        run: |
+          echo "::set-output name=board::${{ matrix.board }}"
+          echo "::set-output name=shield::${{ matrix.shield }}"
+          echo "::set-output name=alphas::${{ matrix.alphas }}"
+          echo "::set-output name=nav::${{ matrix.nav }}"
+          echo "::set-output name=clipboard::${{ matrix.clipboard }}"
+          echo "::set-output name=layers::${{ matrix.layers }}"
+          echo "::set-output name=mapping::${{ matrix.mapping }}"
+      - name: Process variables
+        id: variables
+        run: |
+          keyboard=${{ steps.inputs.outputs.board }}
+          if [ -n "${{ steps.inputs.outputs.shield }}" ]
+          then
+            SHIELD_ARG="-DSHIELD=${{ steps.inputs.outputs.shield }}"
+            keyboard=${{ steps.inputs.outputs.shield }}
+          fi
+          echo "::set-output name=shield-arg::${SHIELD_ARG}"
+          keyboard=`echo "$keyboard" | sed 's/_\(left\|right\)//'`
+
+          configfile="${GITHUB_WORKSPACE}/miryoku/config.h"
+          echo '// https://github.com/manna-harbour/miryoku-zmk/' > "$configfile"
+          echo "::set-output name=configfile::$configfile"
+
+          artifact_build_name="miryoku_zmk ${{ steps.inputs.outputs.shield }} ${{ steps.inputs.outputs.board }}"
+          for option in "alphas_${{ steps.inputs.outputs.alphas }}" "nav_${{ steps.inputs.outputs.nav }}" "clipboard_${{ steps.inputs.outputs.clipboard }}" "layers_${{ steps.inputs.outputs.layers }}" "mapping_${{ steps.inputs.outputs.mapping }}"
+          do
+            case "$option" in
+              *_ ) ;;
+              * )
+                artifact_build_name="$artifact_build_name $option"
+                echo "#define MIRYOKU_"`echo "$option" | tr 'a-z' 'A-Z'` >> "$configfile"
+                ;;
+            esac
+          done
+          artifact_build_name=`echo $artifact_build_name | tr ' ' '-'`
+          echo "::set-output name=artifact-build-name::$artifact_build_name"
+          echo "::set-output name=artifact-generic-name::"`echo "$artifact_build_name" | sed 's/_\(left\|right\)//'`
+          echo "::set-output name=artifact-dir::artifacts"
+
+          manifests="manifests"
+          manifest="$manifests/west-$keyboard.yml"
+          if  [ ! -f "config/$manifest" ]
+          then
+            manifest="west.yml"
+          fi
+          echo "::set-output name=manifest::$manifest"
+
+          echo "::set-output name=board-config::board-config"
+
+          env_file="config/board-configs/$keyboard.env"
+          if [ -f "$env_file" ]
+          then
+            cat "$env_file" >> $GITHUB_ENV
+            echo "::set-output name=has_board_config::true"
+          fi
+      - name: Checkout board-config
+        if: ${{ steps.variables.outputs.has_board_config == 'true' }}
+        uses: actions/checkout@v2
+        with:
+          repository: ${{ env.board_config_repository }}
+          ref: ${{ env.board_config_ref }}
+          path: ${{ steps.variables.outputs.board-config }}
+      - name: Use board-config
+        if: ${{ steps.variables.outputs.has_board_config == 'true' }}
+        run: |
+          mkdir -p `dirname "config/${{ env.board_config_to }}"`
+          ln -sr ${{ steps.variables.outputs.board-config }}/${{ env.board_config_from }} config/${{ env.board_config_to }}
+          if [ -n "${{ env.board_config_manifestdir }}" ]
+          then
+            cp ${{ steps.variables.outputs.board-config }}/${{ env.board_config_manifestdir }}/west.yml config/
+            cat config/west.yml
+          fi
+      - name: Cache west modules
+        uses: actions/cache@v2
+        env:
+          cache-name: zephyr
+        with:
+          path: |
+            bootloader/
+            modules/
+            tools/
+            zephyr/
+            zmk/
+          key: ${{ runner.os }}-${{ env.cache-name }}-${{ hashFiles(format('config/{0}', steps.variables.outputs.manifest)) }}
+          restore-keys: ${{ runner.os }}-${{ env.cache-name }}
+        timeout-minutes: 2
+        continue-on-error: true
+      - name: Initialize workspace (west init)
+        run: west init -l config --mf ${{ steps.variables.outputs.manifest }}
+      - name: Update modules (west update)
+        run: west update
+      - name: Export Zephyr CMake package (west zephyr-export)
+        run: west zephyr-export
+      - name: Build (west build)
+        run: west build -s zmk/app -b ${{ steps.inputs.outputs.board }} -- ${{ steps.variables.outputs.shield-arg }} -DZMK_CONFIG="${GITHUB_WORKSPACE}/config"
+      - name: Prepare artifacts
+        run: |
+          mkdir ${{ steps.variables.outputs.artifact-dir }}
+          cp "${{ steps.variables.outputs.configfile }}" "${{ steps.variables.outputs.artifact-dir }}"
+          for extension in "hex" "uf2"
+          do
+            file="build/zephyr/zmk.$extension"
+            if [ -f "$file" ]
+            then
+              cp "$file" "${{ steps.variables.outputs.artifact-dir }}/${{ steps.variables.outputs.artifact-build-name }}.$extension"
+            fi
+          done
+      - name: Archive artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: ${{ steps.variables.outputs.artifact-generic-name }}
+          path: ${{ steps.variables.outputs.artifact-dir }}
+        continue-on-error: true
diff --git a/.github/workflows/build-matrix.yml b/.github/workflows/build-matrix-template.yml
similarity index 96%
rename from .github/workflows/build-matrix.yml
rename to .github/workflows/build-matrix-template.yml
index 965fb01..3badd34 100644
--- a/.github/workflows/build-matrix.yml
+++ b/.github/workflows/build-matrix-template.yml
@@ -1,4 +1,4 @@
-name: 'Build Matrix'
+name: 'Build Matrix Template'
 on:
   - workflow_dispatch
 jobs:
@@ -14,8 +14,8 @@ jobs:
           # - absolem # out
           # - bastyl_left # out
           # - bastyl_right # out
-          - corne_left # in
-          - corne_right # in
+          # - corne_left # in
+          # - corne_right # in
           # - cradio36_left # TODO
           # - cradio36_right # TODO
           # - cradio_left # in
@@ -51,7 +51,7 @@ jobs:
         board:
 # with shield:
           # - bluemicro840_v1 # in
-          - nice_nano # in
+          # - nice_nano # in
           # - nice_nano_v2 # in
           # - nrfmicro_11 # in
           # - nrfmicro_13 # in
@@ -60,12 +60,12 @@ jobs:
           # - ahokore # out
           # - corne-ish_zen_left # TODO
           # - corne-ish_zen_right # TODO
-          # - ferris_rev02_left # WIP
-          # - ferris_rev02_right # WIP
+          # - ferris_rev02_left # TODO
+          # - ferris_rev02_right # TODO
           # - planck_rev6 # in
           # - zaphod # out
         alphas:
-          - ""
+          # - ""
           # - colemak
           # - colemakdhk
           # - dvorak
@@ -73,7 +73,7 @@ jobs:
           # - workman
           # - qwerty
         nav:
-          - ""
+          # - ""
           # - vi
           # - invertedt # TODO
         clipboard:
@@ -82,10 +82,10 @@ jobs:
           # - mac
           # - win
         layers:
-          - ""
+          # - ""
           # - flip # TODO
         mapping:
-          - ""
+          # - ""
     steps:
       - name: Checkout
         uses: actions/checkout@v2
diff --git a/.github/workflows/build-tbkmini-nice_nano_v2.yml b/.github/workflows/build-tbkmini-nice_nano_v2.yml
new file mode 100644
index 0000000..018b692
--- /dev/null
+++ b/.github/workflows/build-tbkmini-nice_nano_v2.yml
@@ -0,0 +1,145 @@
+name: 'Build tbkmini nice_nano_v2'
+on:
+  - workflow_dispatch
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container:
+      image: zmkfirmware/zmk-build-arm:2.5
+    strategy:
+      fail-fast: false
+      matrix:
+        shield:
+          - tbkmini_left # out
+          - tbkmini_right # out
+        board:
+          - nice_nano_v2 # in
+        alphas:
+          - ""
+        nav:
+          - ""
+        clipboard:
+          - ""
+        layers:
+          - ""
+        mapping:
+          - ""
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Process inputs
+        id: inputs
+        run: |
+          echo "::set-output name=board::${{ matrix.board }}"
+          echo "::set-output name=shield::${{ matrix.shield }}"
+          echo "::set-output name=alphas::${{ matrix.alphas }}"
+          echo "::set-output name=nav::${{ matrix.nav }}"
+          echo "::set-output name=clipboard::${{ matrix.clipboard }}"
+          echo "::set-output name=layers::${{ matrix.layers }}"
+          echo "::set-output name=mapping::${{ matrix.mapping }}"
+      - name: Process variables
+        id: variables
+        run: |
+          keyboard=${{ steps.inputs.outputs.board }}
+          if [ -n "${{ steps.inputs.outputs.shield }}" ]
+          then
+            SHIELD_ARG="-DSHIELD=${{ steps.inputs.outputs.shield }}"
+            keyboard=${{ steps.inputs.outputs.shield }}
+          fi
+          echo "::set-output name=shield-arg::${SHIELD_ARG}"
+          keyboard=`echo "$keyboard" | sed 's/_\(left\|right\)//'`
+
+          configfile="${GITHUB_WORKSPACE}/miryoku/config.h"
+          echo '// https://github.com/manna-harbour/miryoku-zmk/' > "$configfile"
+          echo "::set-output name=configfile::$configfile"
+
+          artifact_build_name="miryoku_zmk ${{ steps.inputs.outputs.shield }} ${{ steps.inputs.outputs.board }}"
+          for option in "alphas_${{ steps.inputs.outputs.alphas }}" "nav_${{ steps.inputs.outputs.nav }}" "clipboard_${{ steps.inputs.outputs.clipboard }}" "layers_${{ steps.inputs.outputs.layers }}" "mapping_${{ steps.inputs.outputs.mapping }}"
+          do
+            case "$option" in
+              *_ ) ;;
+              * )
+                artifact_build_name="$artifact_build_name $option"
+                echo "#define MIRYOKU_"`echo "$option" | tr 'a-z' 'A-Z'` >> "$configfile"
+                ;;
+            esac
+          done
+          artifact_build_name=`echo $artifact_build_name | tr ' ' '-'`
+          echo "::set-output name=artifact-build-name::$artifact_build_name"
+          echo "::set-output name=artifact-generic-name::"`echo "$artifact_build_name" | sed 's/_\(left\|right\)//'`
+          echo "::set-output name=artifact-dir::artifacts"
+
+          manifests="manifests"
+          manifest="$manifests/west-$keyboard.yml"
+          if  [ ! -f "config/$manifest" ]
+          then
+            manifest="west.yml"
+          fi
+          echo "::set-output name=manifest::$manifest"
+
+          echo "::set-output name=board-config::board-config"
+
+          env_file="config/board-configs/$keyboard.env"
+          if [ -f "$env_file" ]
+          then
+            cat "$env_file" >> $GITHUB_ENV
+            echo "::set-output name=has_board_config::true"
+          fi
+      - name: Checkout board-config
+        if: ${{ steps.variables.outputs.has_board_config == 'true' }}
+        uses: actions/checkout@v2
+        with:
+          repository: ${{ env.board_config_repository }}
+          ref: ${{ env.board_config_ref }}
+          path: ${{ steps.variables.outputs.board-config }}
+      - name: Use board-config
+        if: ${{ steps.variables.outputs.has_board_config == 'true' }}
+        run: |
+          mkdir -p `dirname "config/${{ env.board_config_to }}"`
+          ln -sr ${{ steps.variables.outputs.board-config }}/${{ env.board_config_from }} config/${{ env.board_config_to }}
+          if [ -n "${{ env.board_config_manifestdir }}" ]
+          then
+            cp ${{ steps.variables.outputs.board-config }}/${{ env.board_config_manifestdir }}/west.yml config/
+            cat config/west.yml
+          fi
+      - name: Cache west modules
+        uses: actions/cache@v2
+        env:
+          cache-name: zephyr
+        with:
+          path: |
+            bootloader/
+            modules/
+            tools/
+            zephyr/
+            zmk/
+          key: ${{ runner.os }}-${{ env.cache-name }}-${{ hashFiles(format('config/{0}', steps.variables.outputs.manifest)) }}
+          restore-keys: ${{ runner.os }}-${{ env.cache-name }}
+        timeout-minutes: 2
+        continue-on-error: true
+      - name: Initialize workspace (west init)
+        run: west init -l config --mf ${{ steps.variables.outputs.manifest }}
+      - name: Update modules (west update)
+        run: west update
+      - name: Export Zephyr CMake package (west zephyr-export)
+        run: west zephyr-export
+      - name: Build (west build)
+        run: west build -s zmk/app -b ${{ steps.inputs.outputs.board }} -- ${{ steps.variables.outputs.shield-arg }} -DZMK_CONFIG="${GITHUB_WORKSPACE}/config"
+      - name: Prepare artifacts
+        run: |
+          mkdir ${{ steps.variables.outputs.artifact-dir }}
+          cp "${{ steps.variables.outputs.configfile }}" "${{ steps.variables.outputs.artifact-dir }}"
+          for extension in "hex" "uf2"
+          do
+            file="build/zephyr/zmk.$extension"
+            if [ -f "$file" ]
+            then
+              cp "$file" "${{ steps.variables.outputs.artifact-dir }}/${{ steps.variables.outputs.artifact-build-name }}.$extension"
+            fi
+          done
+      - name: Archive artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: ${{ steps.variables.outputs.artifact-generic-name }}
+          path: ${{ steps.variables.outputs.artifact-dir }}
+        continue-on-error: true
diff --git a/.github/workflows/test-boards.yml b/.github/workflows/test-boards.yml
index 747e6a9..fc4ea03 100644
--- a/.github/workflows/test-boards.yml
+++ b/.github/workflows/test-boards.yml
@@ -15,8 +15,8 @@ jobs:
           - ahokore # out
           # - corne-ish_zen_left # TODO
           # - corne-ish_zen_right # TODO
-          # - ferris_rev02_left # WIP
-          # - ferris_rev02_right # WIP
+          # - ferris_rev02_left # TODO
+          # - ferris_rev02_right # TODO
           - planck_rev6 # in
           - zaphod # out
         alphas: