diff --git a/.github/actions/build-image/action.yaml b/.github/actions/build-image/action.yaml
index 87ea28fd20..d36bd65bb6 100644
--- a/.github/actions/build-image/action.yaml
+++ b/.github/actions/build-image/action.yaml
@@ -34,6 +34,16 @@ runs:
           echo $l >> $GITHUB_OUTPUT
         done
 
+    # set cache-to only if dev branch
+    - id: cache-to
+      shell: bash
+      run: |-
+        if [[ "${{ github.ref }}" == "refs/heads/dev" ]]; then
+          echo "value=type=gha,mode=max" >> $GITHUB_OUTPUT
+        else
+          echo "value=" >> $GITHUB_OUTPUT
+        fi
+
     - name: Build and push to ghcr by digest
       id: build-ghcr
       uses: docker/build-push-action@v5.3.0
@@ -43,7 +53,7 @@ runs:
         platforms: ${{ inputs.platform }}
         target: ${{ inputs.target }}
         cache-from: type=gha
-        cache-to: type=gha,mode=max
+        cache-to: ${{ steps.cache-to.outputs.value }}
         build-args: |
           BASEIMGTYPE=${{ inputs.baseimg }}
           BUILD_VERSION=${{ inputs.version }}
@@ -66,7 +76,7 @@ runs:
         platforms: ${{ inputs.platform }}
         target: ${{ inputs.target }}
         cache-from: type=gha
-        cache-to: type=gha,mode=max
+        cache-to: ${{ steps.cache-to.outputs.value }}
         build-args: |
           BASEIMGTYPE=${{ inputs.baseimg }}
           BUILD_VERSION=${{ inputs.version }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fbebc55676..ba0a8a363c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -364,12 +364,20 @@ jobs:
         with:
           python-version: ${{ env.DEFAULT_PYTHON }}
           cache-key: ${{ needs.common.outputs.cache-key }}
+
       - name: Cache platformio
+        if: github.ref == 'refs/heads/dev'
         uses: actions/cache@v4.0.2
         with:
           path: ~/.platformio
-          # yamllint disable-line rule:line-length
-          key: platformio-${{ matrix.pio_cache_key }}-${{ hashFiles('platformio.ini') }}
+          key: platformio-${{ matrix.pio_cache_key }}
+
+      - name: Cache platformio
+        if: github.ref != 'refs/heads/dev'
+        uses: actions/cache/restore@v4.0.2
+        with:
+          path: ~/.platformio
+          key: platformio-${{ matrix.pio_cache_key }}
 
       - name: Install clang-tidy
         run: sudo apt-get install clang-tidy-14
diff --git a/esphome/config.py b/esphome/config.py
index 36a81f677b..4f340225fe 100644
--- a/esphome/config.py
+++ b/esphome/config.py
@@ -148,6 +148,8 @@ class Config(OrderedDict, fv.FinalValidateConfig):
         path = path or []
         try:
             yield
+        except cv.FinalExternalInvalid as e:
+            self.add_error(e)
         except vol.Invalid as e:
             e.prepend(path)
             self.add_error(e)
diff --git a/esphome/config_validation.py b/esphome/config_validation.py
index 512f1d8f67..5fc72921e1 100644
--- a/esphome/config_validation.py
+++ b/esphome/config_validation.py
@@ -267,6 +267,10 @@ class Required(vol.Required):
         super().__init__(key, msg=msg)
 
 
+class FinalExternalInvalid(Invalid):
+    """Represents an invalid value in the final validation phase where the path should not be prepended."""
+
+
 def check_not_templatable(value):
     if isinstance(value, Lambda):
         raise Invalid("This option is not templatable!")