From 00e8d4c94324a7153c1d2bcc3a09d144954b0d45 Mon Sep 17 00:00:00 2001
From: andig <andi@evcc.io>
Date: Sat, 6 Dec 2025 10:23:24 +0100
Subject: [PATCH] HomeAssistant: fix deprecated home parameter not rendered
 (#25849)

---
 templates/definition/charger/homeassistant-switch.yaml | 1 +
 templates/definition/meter/homeassistant.yaml          | 1 +
 templates/definition/vehicle/homeassistant.yaml        | 1 +
 util/templates/template.go                             | 5 ++---
 4 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/templates/definition/charger/homeassistant-switch.yaml b/templates/definition/charger/homeassistant-switch.yaml
index 90fe8ce0e..cb8c0f74e 100644
--- a/templates/definition/charger/homeassistant-switch.yaml
+++ b/templates/definition/charger/homeassistant-switch.yaml
@@ -42,6 +42,7 @@ params:
 render: |
   type: homeassistant-switch
   uri: {{ .uri }}
+  home: {{ .home }} # deprecated
   enable: {{ .switch }}
   power: {{ .power }}
   {{ include "switchsocket" . }}
diff --git a/templates/definition/meter/homeassistant.yaml b/templates/definition/meter/homeassistant.yaml
index 25884c7b0..2482e9c18 100644
--- a/templates/definition/meter/homeassistant.yaml
+++ b/templates/definition/meter/homeassistant.yaml
@@ -125,6 +125,7 @@ params:
 render: |
   type: homeassistant
   uri: {{ .uri }}
+  home: {{ .home }} # deprecated
   power: {{ .power }}
   energy: {{ .energy }}
   currents:
diff --git a/templates/definition/vehicle/homeassistant.yaml b/templates/definition/vehicle/homeassistant.yaml
index 2356acb06..4a5ea8ae7 100644
--- a/templates/definition/vehicle/homeassistant.yaml
+++ b/templates/definition/vehicle/homeassistant.yaml
@@ -100,6 +100,7 @@ render: |
   {{ include "vehicle-common" . }}
   {{ include "vehicle-features" . }}
   uri: {{ .uri }}
+  home: {{ .home }} # deprecated
   sensors:
     soc: {{ .soc }}
     range: {{ .range }}
diff --git a/util/templates/template.go b/util/templates/template.go
index eeb6c9605..10464e44e 100644
--- a/util/templates/template.go
+++ b/util/templates/template.go
@@ -311,7 +311,8 @@ func (t *Template) RenderResult(renderMode int, other map[string]any) ([]byte, m
 	// The actual key name is taken from the parameter to make it unique.
 	// Since predefined properties are not matched by actual parameters using
 	// ParamByName(), the lower case key name is used instead.
-	// All keys *must* be assigned or rendering will create "<no value>" artifacts.
+	// All keys *must* be assigned or rendering will create "<no value>" artifacts. For this reason,
+	// deprecated parameters (that may still be rendered) must be evaluated, too.
 
 	for key, val := range values {
 		out := strings.ToLower(key)
@@ -321,8 +322,6 @@ func (t *Template) RenderResult(renderMode int, other map[string]any) ([]byte, m
 			if !slices.Contains(predefinedTemplateProperties, out) {
 				return nil, values, fmt.Errorf("invalid key: %s", key)
 			}
-		} else if p.IsDeprecated() {
-			continue
 		} else {
 			out = p.Name
 		}