OTA/Upload Troubles IDE2.3.4 / MDNS 1.0.9

Development Tools IDE 2.x
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..another post about prblems with OTA ... :slight_smile:
Windows 11-24H2 / IDE2.3.4 / MDNS 1.0.9 / Python 3.7.2 if that matters.
WiFi set to private network in windows.
WiFi is over TPLink DecoM5 mesh network of 4 devices using Gbit Ethernet backhaul between them (necessary due to German construction!)
I currently have 14 Arduinos in my WiFi network.
Now, the problems....

  1. When I go to Tools -> Port in the IDE, at any given time I will see between 5 and 14 of the Arduinos.
  2. Often if I have a specific project open, I can see the connection status for its Port toggling back and forth (connected / not connected) every so often.
  3. If I attempt upload of the code, sometimes the status changed to "Not Connected" during the compile, and then of course upload fails.
    3a) SOMETIMES refreshing the webpage served by the target Arduino seems to help change the status back to connected. (note: on the same computer as IDE)
  4. Somtimes the status changed to "Not Connected" DURING the OTA, but OTA still finishes.
  5. Sometimes I get "interrupted by host computer" during the OTA, which means it failed, and I get to start all over...

Any insights here would be greatly appreciated.

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