I have the same problem:

mesh: 1315[recv]invalid child

It pops up at the logs for every child multiple times and occurs after deep_sleep.
Any idea what might cause this?

I observe the same issue. Seems like modem sleep is not working after wifi_start() if there is no wifi_connect() command. Can anyone help? Thanks Update1: I actually experienced very high packet loss of espnow packets if WiFi power save is set to anything but esp_wifi_set_ps(WIFI_PS_NONE). Surprisin...

I was actually was wondering the same... I started recently investigating both IDF/mesh and MDF mesh frameworks and they seem quite similar. If I understand right, MDF is just an encapsulation of the IDF mesh libraries for a bit faster development. For example the mwifi_read() and mwifi_write() func...

Hey there. You need to program the time synchronization by yourself. If you want the actual time one of your nodes need internet connections and to setup an NTP server to get the time periodically. There is an NTP server example in the IDF repository. If you don't care about having the actual time/d...