- Backend
  - Alerting improvements (add Edge-ID)
  - User registration: add OEM capability
  - Switch some features from listeners to Events
  - Performance improvements
    - Reduce size of Edge-Cache in memory
    - Improve thread locking
    - Drop LastUpdate field
    - ChannelAddress: precalculate toString() - JDK Mission Control analysis showed, that it's called so often, that this is worth it
    - Optimize writes to Odoo/PostgreSQL
  - Refactor handling of subscribes to Edge System-Log
  - Fix FieldTypeConflict detection with latest Influx library

- Edge
  - FENECON Commercial Battery: continuous improvements
  - SunSpec: fix handling of 32 bit values
  - ESS-DC-Charger: add Voltage and Current
  - Generic ESS: fix default target filters
  - EVCS: fix reference to Timedata
  - FENECON Pro 9-12: split interface and implementation
  - GoodWe DC-Charger: add Voltage and Current
  - Shelly: fix possible NullPointerException
  - PV-Inverter: fix missing channels for L1/L2/L3 for
    - Fronius
    - KACO
    - Kostal
    - SolarEdge

- UI
  - Fix formatting of numbers and periods
  - Continue converting widgets to generic implementations
  - Consumption historic view: show correct Channel
  - Update OpenEMS colors in variables.scss

- Common
  - Improve WebSocket reconnect with timeout and if initial connect fails
  - Fix EdgeConfigDiff for 'null' fields
  - JsonUtils: fix parseLong and parseEnum
  - Add JUnit tests
  - Improve log outputs with context (e.g. Edge-ID)
  - Read Hostname into MANUFACTURER_EMS_SERIAL_NUMBER