Update victron_mqtt to 2026.5.12 (#421)

## Changes

- Add derived PV current formula metrics

## Contributors

@Copilot and @tomer-w

Co-authored-by: tomer-w <57483589+tomer-w@users.noreply.github.com>

Author: github-actions[bot]

custom_components/victron_mqtt/_vendor/__init__.py

@@ -1,3 +1,3 @@
 """Vendored third-party packages."""
 
-VICTRON_MQTT_VERSION = "2026.5.11"
+VICTRON_MQTT_VERSION = "2026.5.12"

custom_components/victron_mqtt/_vendor/victron_mqtt/_victron_formulas.py

@@ -4,14 +4,7 @@
 
 from typing import TYPE_CHECKING
 
-from ._victron_enums import (
-    ChargeSchedule,
-    ESSModeHub4,
-    ESSState,
-    ESSUserMode,
-    GenericOnOff,
-    PreferRenewableEnergyEnum,
-)
+from ._victron_enums import ChargeSchedule, ESSModeHub4, ESSState, ESSUserMode, GenericOnOff, PreferRenewableEnergyEnum
 from .constants import MetricType
 from .data_classes import GpsLocation
 from .formula_common import left_riemann_sum_internal

custom_components/victron_mqtt/translations/en.json

@@ -1447,6 +1447,9 @@
       "multi_mppt_mppt_id_yield_yesterday": {
         "name": "MPPT {mppt_id} yield yesterday"
       },
+      "multi_mppt_mpptnumber_current": {
+        "name": "MPPT {mpptnumber} current"
+      },
       "multi_mppt_mpptnumber_power": {
         "name": "MPPT {mpptnumber} power"
       },
@@ -1623,6 +1626,9 @@
           "voltage_current_limited": "Voltage/current limited"
         }
       },
+      "solarcharger_pv_current": {
+        "name": "PV current"
+      },
       "solarcharger_state": {
         "name": "State",
         "state": {
@@ -1659,6 +1665,9 @@
       "solarcharger_time_in_float_today": {
         "name": "Time in float today"
       },
+      "solarcharger_tracker_tracker_current": {
+        "name": "PV tracker {tracker} current"
+      },
       "solarcharger_tracker_tracker_max_power_today": {
         "name": "Tracker {tracker} max power today"
       },

victron_mqtt.json

@@ -5719,6 +5719,36 @@
       "hidden": false,
       "sub_device_key": null
     },
+    {
+      "topic": "$$func/multi/pv_current",
+      "message_type": "MetricKind.SENSOR",
+      "short_id": "multi_mppt_{mpptnumber}_current",
+      "name": "MPPT {mpptnumber} current",
+      "unit_of_measurement": "A",
+      "metric_type": "MetricType.CURRENT",
+      "metric_nature": "MetricNature.MEASUREMENT",
+      "value_type": "ValueType.FLOAT",
+      "precision": 2,
+      "enum": null,
+      "min_max_range": "RangeType.STATIC",
+      "min": null,
+      "max": null,
+      "step": null,
+      "is_adjustable_suffix": null,
+      "output_type": null,
+      "labels": null,
+      "key_values": {},
+      "experimental": false,
+      "depends_on": [
+        "multi_mppt_{mpptnumber}_power",
+        "multi_mppt_{mpptnumber}_voltage"
+      ],
+      "generic_name": "MPPT {mpptnumber} current",
+      "is_formula": true,
+      "main_topic": false,
+      "hidden": false,
+      "sub_device_key": null
+    },
     {
       "topic": "N/{installation_id}/multi/{device_id}/Relay/0/State",
       "message_type": "MetricKind.SWITCH",
@@ -8144,6 +8174,36 @@
       "hidden": false,
       "sub_device_key": null
     },
+    {
+      "topic": "$$func/solarcharger/pv_current",
+      "message_type": "MetricKind.SENSOR",
+      "short_id": "solarcharger_tracker_{tracker}_current",
+      "name": "PV tracker {tracker:solarcharger_tracker_{tracker}_name} current",
+      "unit_of_measurement": "A",
+      "metric_type": "MetricType.CURRENT",
+      "metric_nature": "MetricNature.MEASUREMENT",
+      "value_type": "ValueType.FLOAT",
+      "precision": 2,
+      "enum": null,
+      "min_max_range": "RangeType.STATIC",
+      "min": null,
+      "max": null,
+      "step": null,
+      "is_adjustable_suffix": null,
+      "output_type": null,
+      "labels": null,
+      "key_values": {},
+      "experimental": false,
+      "depends_on": [
+        "solarcharger_tracker_{tracker}_power",
+        "solarcharger_tracker_{tracker}_voltage"
+      ],
+      "generic_name": "PV tracker {tracker} current",
+      "is_formula": true,
+      "main_topic": false,
+      "hidden": false,
+      "sub_device_key": null
+    },
     {
       "topic": "N/{installation_id}/solarcharger/{device_id}/Relay/0/State",
       "message_type": "MetricKind.SWITCH",
@@ -8252,6 +8312,36 @@
       "hidden": false,
       "sub_device_key": null
     },
+    {
+      "topic": "$$func/solarcharger/pv_current",
+      "message_type": "MetricKind.SENSOR",
+      "short_id": "solarcharger_pv_current",
+      "name": "PV current",
+      "unit_of_measurement": "A",
+      "metric_type": "MetricType.CURRENT",
+      "metric_nature": "MetricNature.MEASUREMENT",
+      "value_type": "ValueType.FLOAT",
+      "precision": 2,
+      "enum": null,
+      "min_max_range": "RangeType.STATIC",
+      "min": null,
+      "max": null,
+      "step": null,
+      "is_adjustable_suffix": null,
+      "output_type": null,
+      "labels": null,
+      "key_values": {},
+      "experimental": false,
+      "depends_on": [
+        "solarcharger_yield_power",
+        "solarcharger_voltage"
+      ],
+      "generic_name": "PV current",
+      "is_formula": true,
+      "main_topic": false,
+      "hidden": false,
+      "sub_device_key": null
+    },
     {
       "topic": "N/{installation_id}/solarcharger/{device_id}/Yield/User",
       "message_type": "MetricKind.SENSOR",