Photon/P1 Unable to connect to setup WiFi after upgrade to OS v1.5.0

[Elco]

I have just created an issue for this. Only just saw this thread.

Listening mode on the Photon cannot work reliably in current implementation

I already created a GitHub issue, but posting here for visibility and discussion. Listening mode on the photon requires 70% of the user available RAM on the photon if threading is enabled. This means that if the user application uses more than 13kB of RAM, the device will be out of memory when listening mode is triggered. This causes lockups, WiFi not restarting, or hard faults. Now you might think, what if I use System.on(setup_begin) to try to free all my memory before listening mode runs? …