## 2023.8.3

- Introduce cv.temperature_delta and fix problematic thermostat configuration behavior [esphome#5297](https://github.com/esphome/esphome/pull/5297) by [@sebastianrasor](https://github.com/sebastianrasor)
- fix to PR # 3887 MQTT connection not using discovery: false [esphome#5275](https://github.com/esphome/esphome/pull/5275) by [@luka6000](https://github.com/luka6000)
- Attempt to fix secret blurring [esphome#5326](https://github.com/esphome/esphome/pull/5326) by [@jesserockz](https://github.com/jesserockz)
- Bugfix: disable channels after IO if multiple tca9548a  I2C multiplexers are configured [esphome#5317](https://github.com/esphome/esphome/pull/5317) by [@kahrendt](https://github.com/kahrendt)
- Fix checksum calculation for pipsolar [esphome#5299](https://github.com/esphome/esphome/pull/5299) by [@Mat931](https://github.com/Mat931)