Release Notes: Version 0.7.0

Overview

Version 0.7.0 brings significant improvements to connection reliability, camera integration, and user interface customization. This release focuses on robustness for network changes, better WebRTC camera support via go2rtc-client, and enhanced control over card appearance and functionality.

✨ Major Features

1. Robust Network Management with MAC-Based Discovery

• Caches printer MAC during Zeroconf discovery to automatically detect and handle IP changes from DHCP reassignments or network migrations
• Automatically updates existing entries when MAC is detected at a new IP (no duplicates)
• Host/IP now editable from integration options without recreating entry

2. Enhanced WebRTC Camera via go2rtc-client

• Uses official go2rtc-client Python library for robust stream configuration
• Validates go2rtc server version on startup
• Graceful fallbacks when go2rtc is unavailable

3. Intelligent Power-Off Detection

• Pauses connection attempts when printer power is OFF (instead of continuous retry)
• Auto-resets retry backoff when power returns for faster reconnection
• mDNS rediscovery respects power state to avoid unnecessary queries
• Resets backoff if connection stays stable for 5+ seconds before disconnect

4. Card Customization & Enhanced Controls

• New custom button targeting any entity type (buttons, scripts, automations, switches, lights)
• All buttons (pause, resume, stop, light, power, custom) support custom MDI icons
• Smart domain handling for different entity types
• Option to hide chamber temperature pill for printers without chamber sensors

5. Expanded Entity Domain Support

• Power & light controls now support input_boolean and light domains (in addition to switch)

🐛 Bug Fixes & Improvements

• Fixed UnboundLocalError in WebSocket reconnection timing logic
• Improved go2rtc client error handling with descriptive messages
• Refactored card event handling using event delegation
• Enhanced Zeroconf flow with MAC address extraction and validation

📦 Dependencies

New Requirement:

• go2rtc-client>=0.1.0 - Official Python client for go2rtc WebRTC streaming

Existing:

• websockets>=10.4 (unchanged)

Component:

• go2rtc component (ensures proper initialization order)

🔧 Configuration Changes

Integration Options

• Host/IP: Edit printer IP without recreating entry
• Hide Chamber Temperature: Toggle chamber temp pill visibility on card

Card Configuration Keys

📋 Upgrade Notes

No Breaking Changes — Full backward compatibility with existing configurations.

For All Users

1. Restart Home Assistant after updating through HACS
2. Hard refresh browser (Ctrl+F5) to clear cached card assets
3. Existing setup will work unchanged; no configuration required

Optional Enhancements

• Dynamic IPs: MAC caching automatically handles DHCP reassignments
• Power Awareness: Bind a power switch entity to enable smart connection pausing
• Custom Buttons: Configure custom button icons and actions in card config

🔍 Technical Summary

Key Changes:

• Coordinator now tracks power state and passes callback to WebSocket client for intelligent connection pausing
• MAC address extraction added to Zeroconf discovery flow
• WebRTC camera refactored to use go2rtc-client library with improved initialization
• Card event handling refactored to use event delegation for better maintainability
• Config flow enhanced with IP update from options, MAC-based entry matching

📝 Support Notes

Known Limitations

• MAC address extraction depends on printer firmware; some models may not expose this
• WebRTC camera requires go2rtc component enabled (default in HA 2024.11+)
• mDNS logging only in debug mode to avoid log spam

Debugging

• Enable debug logging: logger: custom_components.ha_creality_ws: debug
• Verify Zeroconf discovery in Integrations page

Thanks

@Drexlin @manta42 @Skarhand for testing new go2rtc-client
@holdestmade for feature request (sorry for not being able to fullfill it)
@Drexlin for feature request - custom button