- esphome: Fix PN532 SPI communication esphome#1511 by @jesserockz (cherry-picked)
- esphome: Update Dockerfile esphome#1517 by @Klarstein (cherry-picked)
- esphome: Fixed transfer_byte to write_byte for 8266 esphome#1529 by @SenexCrenshaw (cherry-picked)
- esphome: Added Energy sensor to hlw8012 esphome#1198 by @FrankBakkerNl (cherry-picked) (new-feature)
- docs: Added Energy sensor to hlw8012 docs#707 by @FrankBakkerNl (cherry-picked)
- esphome: MCP230xx open drain interrupt pins esphome#1243 by @kbx81 (cherry-picked)
- docs: MCP230xx open drain interrupt pins docs#728 by @kbx81 (cherry-picked)