From 69d4163b9d6d1375c43f670019484943097d51de Mon Sep 17 00:00:00 2001
From: MichaelDvP <github@mdvp.de>
Date: Sun, 15 Mar 2026 14:12:47 +0100
Subject: [PATCH 1/3] fix device_class #2980

---
 src/core/mqtt.cpp | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/core/mqtt.cpp b/src/core/mqtt.cpp
index 225c7f56e..b73f4ef25 100644
--- a/src/core/mqtt.cpp
+++ b/src/core/mqtt.cpp
@@ -1191,7 +1191,11 @@ void Mqtt::add_ha_classes(JsonObject doc, const uint8_t device_type, const uint8
             doc[ic_ha] = F_(iconpercent); // set icon
         }
         doc[sc_ha] = sc_ha_measurement;
-        doc[dc_ha] = "power_factor";
+        if (entity == FL_(airHumidity)[0] || entity == FL_(remotehum)[0]) {
+            doc[dc_ha] = "humidity";
+        } else if (entity == FL_(battery)[0]) {
+            doc[dc_ha] = "battery";
+        }
         break;
     case DeviceValueUOM::SECONDS:
     case DeviceValueUOM::MINUTES:
@@ -1544,8 +1548,8 @@ void Mqtt::add_ha_dev_section(JsonObject doc, const char * name, const bool crea
         }
 
         // add mf (manufacturer/brand), mdl (model), sw (software version) and via_device
-        dev_json["mf"] = brand != nullptr ? brand : "EMS-ESP";
-        dev_json["mdl"] = model != nullptr ? model : "EMS-ESP";
+        dev_json["mf"]         = brand != nullptr ? brand : "EMS-ESP";
+        dev_json["mdl"]        = model != nullptr ? model : "EMS-ESP";
         dev_json["sw"]         = version != nullptr ? version : "v" + std::string(EMSESP_APP_VERSION);
         dev_json["via_device"] = Mqtt::basename();
     }

From a9f50d9371772722b22ba1066ea6fa89b99af791 Mon Sep 17 00:00:00 2001
From: MichaelDvP <github@mdvp.de>
Date: Mon, 16 Mar 2026 12:55:27 +0100
Subject: [PATCH 2/3] update version number fixes #2981

---
 src/core/emsdevice.h | 4 ++++
 src/core/emsesp.cpp  | 9 ++++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/core/emsdevice.h b/src/core/emsdevice.h
index eb7e9c2a9..f584e9b58 100644
--- a/src/core/emsdevice.h
+++ b/src/core/emsdevice.h
@@ -90,6 +90,10 @@ class EMSdevice {
         return version_;
     }
 
+    void version(const char * version) {
+        strlcpy(version_, version, sizeof(version_));
+    }
+
     uint8_t brand() const {
         return brand_;
     }
diff --git a/src/core/emsesp.cpp b/src/core/emsesp.cpp
index 4b9dae4a4..9286827b5 100644
--- a/src/core/emsesp.cpp
+++ b/src/core/emsesp.cpp
@@ -1307,9 +1307,16 @@ bool EMSESP::add_device(const uint8_t device_id, const uint8_t product_id, const
     // first check to see if we already have it, if so update the record
     for (auto it = emsdevices.begin(); it != emsdevices.end(); ++it) {
         if ((*it) && (*it)->is_device_id(device_id)) {
-            if (product_id == 0 || (*it)->product_id() != 0) { // update only with valid product_id
+            if (product_id == 0) { // no product-id, ignore
+                return false;
+            }
+            if ((*it)->product_id() == product_id) { // update version if we have valid product_id
+                if (!strcmp((*it)->version(), "00.00")) {
+                    (*it)->version(version);
+                }
                 return true;
             }
+            // product-id has changed for this device-id, delete and re-add
             (*it)->erase_device_values();
             emsdevices.erase(it); // erase the old device without product_id and re detect
             break;

From b0157f288ed9e9122fccf5b9d1c56ac95e9d2cfe Mon Sep 17 00:00:00 2001
From: MichaelDvP <github@mdvp.de>
Date: Mon, 16 Mar 2026 14:01:45 +0100
Subject: [PATCH 3/3] update changelog, dev10

---
 CHANGELOG_LATEST.md  | 2 ++
 src/emsesp_version.h | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG_LATEST.md b/CHANGELOG_LATEST.md
index 68de6dafb..7c69530ce 100644
--- a/CHANGELOG_LATEST.md
+++ b/CHANGELOG_LATEST.md
@@ -25,3 +25,5 @@ For more details go to [emsesp.org](https://emsesp.org/).
 - store scheduler active state to nvs [#2946](https://github.com/emsesp/EMS-ESP32/discussions/2946)
 - translated modes `heat` and `eco` for HA-climate mode-str-tpl
 - support `minflowtemp` and `baseflowtemp` [#2969](https://github.com/emsesp/EMS-ESP32/discussions/2969)
+- update version if it is 00.00 in first read [#2981](https://github.com/emsesp/EMS-ESP32/issues/2981)
+- device class for % values [#2980](https://github.com/emsesp/EMS-ESP32/issues/2980)
diff --git a/src/emsesp_version.h b/src/emsesp_version.h
index 4d8361cf0..f1c420f81 100644
--- a/src/emsesp_version.h
+++ b/src/emsesp_version.h
@@ -1 +1 @@
-#define EMSESP_APP_VERSION "3.8.2-dev.9"
+#define EMSESP_APP_VERSION "3.8.2-dev.10"