Can you provide output of lsusb and dmesg commands when dongle is inserted?
Both are from Armbian on orange pi pc, not libreelec (If I remember correctly libreelec doesn't allow to switch to a virtual console). If you need these logs exactly on libreelec -- let me know.
What kind of wifi dongle you're using?
Fenvi FV-N700, I guess this one: FV N700 300M Wireless LAN Network USB 2.0 Adapter WiFi Dongle 2.4G 5G For Samsung Smart TV WIS12ABGNX WIS09ABGN Fit Desktop PC|wifi dongle|network usbadapter wifi - AliExpress.Quote
Given that nightly images are updated often, I'll make a post when it's worth to update with short changelog.
Thank you, I will be waiting for your post before testing it again.
1) I have the same issue with WiFi:
During the initial setup after install it doesn't allow me to enter the wifi user/pass, when I select the wifi network and click on connect nothing happens, just returns to the wifi selection list, which seems to detect the networks just fine.
2) I have no sound in the main menu via HDMI, tried different ALSA audio output devices in the settings but none of the 4 works.
Audio problems were reported by others:
test LibreELEC-A20.arm-9.80-devel-4c80f82-cubieboard2 hdmi-audio not work
not too much comment after LibreELEC-A20.arm-9.80-devel-2f50060