Nothing relevant as far as I can see.

You can see how it intermediate sets the temperature to 284, overwriting M104 command.

```
2021-03-08 18:24:19,716 - serial.log is currently not enabled, you can enable it via Settings > Serial Connection > Log communication to serial.log
2021-03-08 19:06:12,324 - Enabling serial logging
2021-03-08 19:06:14,143 - Recv: T:17.81 /0.00 B:17.19 /0.00 @:0 B@:0
2021-03-08 19:06:16,143 - Recv: T:17.81 /0.00 B:17.34 /0.00 @:0 B@:0
2021-03-08 19:06:18,143 - Recv: T:17.81 /0.00 B:17.34 /0.00 @:0 B@:0
2021-03-08 19:06:20,144 - Recv: T:17.81 /0.00 B:17.66 /0.00 @:0 B@:0
2021-03-08 19:06:22,144 - Recv: T:17.81 /0.00 B:17.50 /0.00 @:0 B@:0
2021-03-08 19:06:24,144 - Recv: T:17.81 /0.00 B:17.34 /0.00 @:0 B@:0
2021-03-08 19:06:26,144 - Recv: T:17.81 /0.00 B:17.50 /0.00 @:0 B@:0
2021-03-08 19:06:26,462 - Send: M104 S300
2021-03-08 19:06:26,473 - Recv: ok
2021-03-08 19:06:28,144 - Recv: T:17.97 /284.00 B:17.50 /0.00 @:127 B@:0
2021-03-08 19:06:30,144 - Recv: T:18.28 /284.00 B:17.34 /0.00 @:127 B@:0
2021-03-08 19:06:32,144 - Recv: T:19.22 /284.00 B:17.50 /0.00 @:127 B@:0
2021-03-08 19:06:34,144 - Recv: T:20.62 /284.00 B:17.66 /0.00 @:127 B@:0
2021-03-08 19:06:36,144 - Recv: T:22.97 /284.00 B:17.66 /0.00 @:127 B@:0
2021-03-08 19:06:38,144 - Recv: T:25.91 /284.00 B:17.66 /0.00 @:127 B@:0
2021-03-08 19:06:40,145 - Recv: T:29.32 /284.00 B:17.81 /0.00 @:127 B@:0
2021-03-08 19:06:42,144 - Recv: T:33.13 /284.00 B:17.19 /0.00 @:127 B@:0
2021-03-08 19:06:44,145 - Recv: T:37.42 /284.00 B:17.50 /0.00 @:127 B@:0
2021-03-08 19:06:46,145 - Recv: T:41.62 /284.00 B:17.34 /0.00 @:127 B@:0
2021-03-08 19:06:48,145 - Recv: T:46.12 /284.00 B:17.19 /0.00 @:127 B@:0
2021-03-08 19:06:50,145 - Recv: T:50.80 /284.00 B:17.50 /0.00 @:127 B@:0
2021-03-08 19:06:51,749 - Send: M104 S0
2021-03-08 19:06:51,774 - Recv: ok
2021-03-08 19:06:52,144 - Recv: T:55.36 /0.00 B:17.81 /0.00 @:0 B@:0
2021-03-08 19:06:54,144 - Recv: T:60.00 /0.00 B:17.66 /0.00 @:0 B@:0
2021-03-08 19:06:56,150 - Recv: T:63.98 /0.00 B:17.50 /0.00 @:0 B@:0
2021-03-08 19:06:58,145 - Recv: T:67.24 /0.00 B:17.66 /0.00 @:0 B@:0
2021-03-08 19:07:00,145 - Recv: T:69.74 /0.00 B:17.34 /0.00 @:0 B@:0
2021-03-08 19:07:02,144 - Recv: T:71.45 /0.00 B:17.66 /0.00 @:0 B@:0
2021-03-08 19:07:04,145 - Recv: T:72.66 /0.00 B:17.66 /0.00 @:0 B@:0
2021-03-08 19:07:06,145 - Recv: T:73.47 /0.00 B:17.81 /0.00 @:0 B@:0
2021-03-08 19:07:08,145 - Recv: T:73.95 /0.00 B:17.81 /0.00 @:0 B@:0
2021-03-08 19:07:10,145 - Recv: T:74.23 /0.00 B:17.81 /0.00 @:0 B@:0
2021-03-08 19:07:12,145 - Recv: T:74.23 /0.00 B:17.19 /0.00 @:0 B@:0
2021-03-08 19:07:14,145 - Recv: T:74.11 /0.00 B:17.34 /0.00 @:0 B@:0
2021-03-08 19:07:16,145 - Recv: T:73.91 /0.00 B:17.50 /0.00 @:0 B@:0
2021-03-08 19:07:18,145 - Recv: T:73.55 /0.00 B:17.34 /0.00 @:0 B@:0
2021-03-08 19:07:20,145 - Recv: T:73.15 /0.00 B:17.50 /0.00 @:0 B@:0
```