I honestly don’t know if something has changed (as sayd I have not had the opportunity to “handle” Mediatek SoCs anymore), but - at the time - only PORTS were available…
…anyway I suggest you to ask Andy Yan to release an \e\ build for your device.
EDIT
Ok, just realized that Andy has been already “involved” in GSI builds…
We are pleased to announce that the /e/ team resumed building GSIs, based on the work of PHHusson and AndyCGYan . Thanks to these efforts, we are now releasing the official /e/OS GSI.