diff --git a/esphome/components/mqtt/mqtt_component.cpp b/esphome/components/mqtt/mqtt_component.cpp
index 6f5cf5edad..44fa570850 100644
--- a/esphome/components/mqtt/mqtt_component.cpp
+++ b/esphome/components/mqtt/mqtt_component.cpp
@@ -68,7 +68,8 @@ bool MQTTComponent::send_discovery_() {
     return global_mqtt_client->publish(this->get_discovery_topic_(discovery_info), "", 0, this->qos_, true);
   }
 
-  ESP_LOGV(TAG, "'%s': Sending discovery", this->friendly_name_().c_str());
+  ESP_LOGI(TAG, "'%s': Sending discovery to %s", this->friendly_name_().c_str(),
+           this->get_discovery_topic_(discovery_info));
 
   // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   return global_mqtt_client->publish_json(
@@ -154,9 +155,8 @@ bool MQTTComponent::send_discovery_() {
         device_info[MQTT_DEVICE_MANUFACTURER] =
             model == nullptr ? ESPHOME_PROJECT_NAME : std::string(ESPHOME_PROJECT_NAME, model - ESPHOME_PROJECT_NAME);
 #else
-        char build_time_str[App.BUILD_TIME_STR_SIZE];
-        App.get_build_time_string(build_time_str);
-        device_info[MQTT_DEVICE_SW_VERSION] = str_sprintf(ESPHOME_VERSION " (%s)", build_time_str);
+        device_info[MQTT_DEVICE_SW_VERSION] =
+            str_sprintf(ESPHOME_VERSION " (config hash 0x%08" PRIx32 ")", App.get_config_hash());
         device_info[MQTT_DEVICE_MODEL] = ESPHOME_BOARD;
 #if defined(USE_ESP8266) || defined(USE_ESP32)
         device_info[MQTT_DEVICE_MANUFACTURER] = "Espressif";
diff --git a/esphome/components/version/version_text_sensor.cpp b/esphome/components/version/version_text_sensor.cpp
index 88774b4b3a..f03c91e5f5 100644
--- a/esphome/components/version/version_text_sensor.cpp
+++ b/esphome/components/version/version_text_sensor.cpp
@@ -11,11 +11,12 @@ static const char *const TAG = "version.text_sensor";
 
 void VersionTextSensor::setup() {
   if (this->hide_timestamp_) {
-    this->publish_state(ESPHOME_VERSION);
+    this->publish_state(str_sprintf(ESPHOME_VERSION " (config hash 0x%08" PRIx32 ")", App.get_config_hash()));
   } else {
     char build_time_str[esphome::Application::BUILD_TIME_STR_SIZE];
     App.get_build_time_string(build_time_str);
-    this->publish_state(str_sprintf(ESPHOME_VERSION " %s", build_time_str));
+    this->publish_state(str_sprintf(ESPHOME_VERSION " (config hash 0x%08" PRIx32 ", built: %s)", App.get_config_hash(),
+                                    build_time_str));
   }
 }
 float VersionTextSensor::get_setup_priority() const { return setup_priority::DATA; }