Update docs because the "watchdog heartbeat timeout" was fixed upstre…

…am (Closes: #8)

README.md

@@ -23,7 +23,7 @@ ZB-GW03 Zigbee to LAN bridge/gateway based on Espressif ESP32 and a Silicon Labs
 
 ## Requirements
 
-* [ESPHome 2021.9.3](https://github.com/esphome/esphome/releases) (see "Known issues")
+* [ESPHome 2022.12.8](https://github.com/esphome/esphome/releases)
 
 ## Quick start guides
 
@@ -32,10 +32,7 @@ ZB-GW03 Zigbee to LAN bridge/gateway based on Espressif ESP32 and a Silicon Labs
 
 ## Known issues
 
-* Watchdog heartbeat timeouts if you use ESPHome `>2021.9.3` ([#8][i8])<br/>
-  https://github.com/oxan/esphome-stream-server/issues/14
-
-[i8]: https://github.com/syssi/esphome-zb-gw03/issues/8
+None.
 
 ## References