2021.4.3
- Add TTS engines in config.components (@ludeeus - #48939) (tts docs)
- Implement percentage_step and preset_mode is not not speed fix for MQTT fan (@jbouwh - #48951) (mqtt docs)
- Bump devolo Home Control to support old websocket-client versions again (@Shutgun - #48960) (devolo_home_control docs)
- Fix config forwarding (@balloob - #48967) (template docs)
- Prevent ping id allocation conflict with device_tracker (@bdraco - #48969) (ping docs)
- Fix Shelly button device triggers (@thecode - #48974) (shelly docs)
- Update python-smarttub to 0.0.23 (@mdz - #48978) (smarttub docs)