The TX3 Mini is aging, but its legacy lives on through the community. Mainstream developers have stopped official updates, but hobbyists continue to port and LineageOS 19 unofficially.
: Flashing firmware carries a risk of "bricking" the device; ensure you have the correct image for your specific hardware revision. VFD Display tanix tx3 mini firmware
If you want the absolute latest, consider switching to – this turns your $30 box into a media server capable of playing 4K Remux files that would choke a Fire Stick. The TX3 Mini is aging, but its legacy