Deprecate legacy Works With Nest (again) (#92304)

homeassistant/components/nest/legacy/__init__.py

@@ -21,7 +21,7 @@ from homeassistant.const import (
     Platform,
 )
 from homeassistant.core import HomeAssistant, callback
-from homeassistant.helpers import config_validation as cv
+from homeassistant.helpers import config_validation as cv, issue_registry as ir
 from homeassistant.helpers.dispatcher import async_dispatcher_connect, dispatcher_send
 from homeassistant.helpers.entity import DeviceInfo, Entity
 
@@ -108,6 +108,19 @@ async def async_setup_legacy(hass: HomeAssistant, config: dict) -> bool:
     if DOMAIN not in config:
         return True
 
+    ir.async_create_issue(
+        hass,
+        DOMAIN,
+        "legacy_nest_deprecated",
+        breaks_in_ha_version="2023.8.0",
+        is_fixable=False,
+        severity=ir.IssueSeverity.WARNING,
+        translation_key="legacy_nest_deprecated",
+        translation_placeholders={
+            "documentation_url": "https://www.home-assistant.io/integrations/nest/",
+        },
+    )
+
     conf = config[DOMAIN]
 
     local_auth.initialize(hass, conf[CONF_CLIENT_ID], conf[CONF_CLIENT_SECRET])

homeassistant/components/nest/strings.json

@@ -97,6 +97,10 @@
     "removed_app_auth": {
       "title": "Nest Authentication Credentials must be updated",
       "description": "To improve security and reduce phishing risk Google has deprecated the authentication method used by Home Assistant.\n\n**This requires action by you to resolve** ([more info]({more_info_url}))\n\n1.  Visit the integrations page\n1. Click Reconfigure on the Nest integration.\n1. Home Assistant will walk you through the steps to upgrade to Web Authentication.\n\nSee the Nest [integration instructions]({documentation_url}) for troubleshooting information."
+    },
+    "legacy_nest_deprecated": {
+      "title": "Legacy Works With Nest is being removed",
+      "description": "Legacy Works With Nest is being removed from Home Assistant.\n\nYou must take action to use the SDM API. Remove all `nest` configuration from `configuration.yaml` and restart Home Assistant, then see the Nest [integration instructions]({documentation_url}) for set up instructions and supported devices."
     }
   },
   "entity": {