here a small description of a fix... till GabrielM uploads my fix... sorry for that
https://pastebin.com/yqXwWcDf

Tested S1 through S15 (Scenario - Tile - Players: Bug):

S3 B3 3P: Extra Bandit Archer
S9 N1 2P, 3P, 4P: Missing Elite Vermling Scout (bottom left corner)

Even with "Hidden" on, S35 always attempts to spawn the full set of monsters (sometimes resulting in component limits). It is an usual case which spawns a couple of monsters on the second map in normal circumstances.

i will check both

Originally posted by AlexF:

Tested S1 through S15 (Scenario - Tile - Players: Bug):

S3 B3 3P: Extra Bandit Archer
S9 N1 2P, 3P, 4P: Missing Elite Vermling Scout (bottom left corner)

S3 seems to spawn all Archer correctly ?
S9 will be fixed ;)

Updated S35 (in the GitHub) and tested. All fixed for the next release.

Sorry the issue is in S2 B3 3P (not S3). It's the first room. The second from the right archer should not be there.

Originally posted by AlexF:

Sorry the issue is in S2 B3 3P (not S3). It's the first room. The second from the right archer should not be there.

k ready now for the next update ;)
thx for looking for it and sending in ;)

Tested S16 to S30

S29 J1 P1 - Missing right side normal living spirit
S29 J1 P2 - Missing right side elite living spirit
S29 J1 P3 - Missing right side elite living spirit

thx will be fixed ;)

The issue that was reported with S35 where the second room always sets up as revealed happens with S36 aswell

Tested S30-S45

S31 G2 P1, P2, P3 - Traps and Deep Terrors swapped
S31 L1 P2 - Bottom right Giant Viper should be elite
S39 L2 P2 - Bottom right Bear should be normal
S42 J2 P2,P3,P4 - Left side normal Wind Demon missing

Tested S46-S55

S51 M1 P2,P3,P4 Gloom boss missing (Get object reference missing error and Gloom infinite tile does not work)
S55 Does not place anything at all

In both S35 and S36, it's deemed as one big room (also note that walls and pillars are indestructable in this one - there's an errata on BGG), so it's correct that the map spawns.

In S35 though the monsters city guards/archers don't spawn straight away apart from a few indicated as you've pointed out. So the S35 fix for monsters was done.

S36 is correct as is I think.

S55 shouldn't place anything as it's a random map based on the cards, so I don't know what will be drawn to be placed.

S51 is spawnMonster() side I think, I can't spot anything wrong in my scripts. (Using the Monster Setup UI also brings up the error)