First of all congratulations on the game! Cannot but emphasize my gratitude and appreciation towards the whole team!
I currently have the latest 0 A.D. Alpha edition running (OSX El Capitan 1.10+). Interested in playing Millenium A.D., I tried using the in-game Mod Downloader but a connection could not be made. Following message appeared:
"Game ID could not be retrieved. Failed to parse response as JSON."
Additionally, the Millenium A.D. mod is not available (anymore?) on mod.io... https://0ad.mod.io/millenium-ad
I downloaded the Millenium files (Dellingr) on Mod DB - but could not find any clear instructions as to where to place them... I am not sure either if it is an OSX-package.
Do I simply copy the file and put it under Contents - Resources - Data - Mods? In 'Mods' there are two files named 'Mod' and 'Public'.
Thanks in advance!