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RELEASE_NOTES.md

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29-August-2023

  • ot_storage partition is no longere required for thread devices as the mechanism for storing data related to the Thread network has been changed in the openthread component in ESP-IDF.

14-April-2023

Changed how attribute data is stored in NVS

By default primitive data types are stored as blob and that consumes more space in NVS. Added a configuration option (CONFIG_ESP_MATTER_NVS_USE_COMPACT_ATTR_STORAGE) which uses the primitive data type specific NVS APIs to store the attribute. This saves space in NVS partition.

Newer developements shall enable option ESP_MATTER_NVS_USE_COMPACT_ATTR_STORAGE to save on NVS space. All the examples have this option enabled.

7-April-2023

  • tools/mfg_tool/mfg_tool.py now uses connectedhomeip/connectedhomeip/src/setup_payload/python/generate_setup_payload.py instead of previously used compiled chip-tool binary executable which additionally depends on python-stdnum module.
  • Reinstall dependencies to use mfg_tool by running the following commands -
source $IDF_PATH/export.sh
python3 -m pip install -r tools/mfg_tool/requirements.txt

15-March-2023

API Change

esp_err_t esp_matter::identification::init(uint16_t endpoint_id, uint8_t identify_type,
                                            uint8_t effect_identifier = EMBER_ZCL_IDENTIFY_EFFECT_IDENTIFIER_BLINK,
                                            uint8_t effect_variant = EMBER_ZCL_IDENTIFY_EFFECT_VARIANT_DEFAULT);
  • Above API now accepts the parameters for initial identification effect_identifier and effect_variant.
  • If not used then default value will be used for initialization
typedef esp_err_t (*callback_t)(callback_type_t type, uint16_t endpoint_id, uint8_t effect_id, uint8_t effect_variant,
                                    void *priv_data);
  • Added additional parameter effect_variant in identification callback.
esp_matter::start(event_callback_t callback, intptr_t callback_arg = static_cast<intptr_t>(NULL))
  • This API now accepts a parameter to pass additional data to the event callback. By default, the data is set to NULL in the API.

14-June-2022

First Github release of ESP Matter

Features

- Aligns to Matter Test Event 9 and ESP-IDF v4.4.1.
- ESP Matter Data Model - Intuitive, simple and dynamic.
- Utility device types supported:
    Root Node
    OTA Requestor
    OTA Provider
    Bridged Node
- Application device types supported:
    Lighting
      On/Off Light
      Dimmable Light
      Color Temperature Light
      Extended Color Light
    Smart Plugs/Outlets
      On/Off Plug-in Unit
      Dimmable Plug-in Unit
    Switches
      On/Off Light Switch
      Dimmer Switch
      Color Dimmer Switch
    Sensors
      Contact Sensor
      Occupancy Sensor
      Temperature Sensor
    Closure
      Door Lock
    HVAC
      Thermostat
      Fan
- Mass manufacturing tool that generates manufacturing NVS partition image and onboarding codes.
- RainMaker integration.
- Zigbee to Matter and BLE Mesh to Matter Bridge.

Known Issues

- BLE memory is not freed if the device has already been commissioned on bootup.
- Host-based chip-tool shows the following error during commissioning/cluster control, but the functionality works fine:
    CHIP Error 0x00000070: Unsolicited msg with originator bit clear.