So i dug into this a bit more.
I think something closer to the first explanation is correct.
So I went back thru months of the changelog.
Let’s start with the July 16th “microsoft_build_final_test”. That preceded the July 19th map balance update, and the effected depots were 813781 and 813784. Which seems to be associated with the base game, whose app id is 813780.
Looking through the depot numbers, they seem to close to the app id #s. Looking at the app id #s they’re all multiples of 10 (with exception of the enhanced graphics pack), which makes sense. You have an id for the app then give 10 id spots for depots for updates to said app. seems quite plausible to me.
Also I found this, which shows a bunch of depots created for DLC 5. It is consistent with the depot / appid correlation theory. I suppose it’s not proof the same was done from previous dlcs, but it’s all consistent with that being the case.
the next “microsoft_build_final_test” occurs on August 14th, affects depots related to the base game, another unknown app with the description of “(Phoenix - Full Game)”, the DLC 5 app, and slightly surprising to me, RoR.
Then there are frequent “microsoft_build_final_test”, from then on. I doubt they thought the dlc was nearly done, found issues, rinse and repeat for two months. so it’s probably closer to a certain civ/campaign/something is in final testing with each one of these final testing builds.
Breaking down affected DLCs
- LotW has a microsoft_staging on august 14th. nothing newer, no final tests.
- DotD has a tantalus_staging_2 on august 9th. nothing newer, no final tests.
- DoI has a tantalus_staging_4 on september 18th. nothing newer, no final tests
- RoR has a microsoft_build_final_test 3 hours ago, and much more recent activity than the other released dlcs.
- TMR has a ca_staging_3 on august 30th. nothing newer, no final tests.
- V&V has a tantalus_staging_3 from yesterday, tho I can’t find any final tests. it has some recent activity, tho not as much as RoR.
tho the base game and dlc 5 have FAR more updates to their depots than any of the previous dlcs, which would be expected.
Now, if someone has better information please do correct me, but I’m guessing the dlcs only contain the campaigns, and unlock the civ which is in the base game. Firstly prithviraj campaign is playable to anyone who one DE even if you don’t own DoI. Secondly if you’re playing multiplayer, and your opponent is playing a civ from a dlc you haven’t bought, you wouldn’t want that civs uu assets in the dlc. your machine wouldn’t have a file to reference to draw that unit.
But that’s probably not true with RoR. While the romans civ is probably in the base game, all the aoe1 content is in RoR.
Now there hasn’t been any significant changes to RoR since last december. maybe it’s just a few balance changes, maybe it’s the last few campaigns finally being ported over, maybe it’s just bug fixes, or maybe they have a solution for cross play. impossible to say.
Doesn’t look like there’s any significant changes, perhaps no changes, coming for any of the other DLC campaigns (excluding V&V and it’s scenarios). Which while it isn’t proof dlc 5 is focused on china, it’s not incongruent with the china theory. according to the wiki all of the chinese campaign and scenario appearances are either in the base game, or V&V.
In summary, I think final testing refers to a given aspect of the game, not an indicator the dlc is necessarily close to completion (tho this late in the year I hope it’s close to completion), and it doesn’t seem like dlc 5 will affect the campaigns of Lotw, DotD, DoI, or TMR, tho it may affect some V&V scenarios.