From 7801cf4a8ac103a88e64c9855ae2560c2f5b9648 Mon Sep 17 00:00:00 2001
From: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
Date: Mon, 14 Sep 2026 12:55:13 +1200
Subject: [PATCH] [core] Clear loaded_platforms on CORE.reset() (#19268)

---
 esphome/core/__init__.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/esphome/core/__init__.py b/esphome/core/__init__.py
index 6e3f91af22f..5fcad90a81a 100644
--- a/esphome/core/__init__.py
+++ b/esphome/core/__init__.py
@@ -715,6 +715,7 @@ class EsphomeCore:
         self.defines = set()
         self.platformio_options = {}
         self.loaded_integrations = set()
+        self.loaded_platforms = set()
         self.component_ids = set()
         self.platform_counts = defaultdict(int)
         self.unique_ids = {}