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The Outpost Liaison will not appoint a Baron unless the meeting is delayed until the caravan has left the map.
- Keep your Mayor busy so the caravan leaves, then meet with the Outpost Liaison. For example, lock your Mayor in his room with food and water until the caravan leaves. The Mayor must be kept at least three squares away from the Outpost Liaison for this to work as they can shout at each other through walls and closed doors.
Activating the Mayor into military with "station" task works easy and reliable.
There are no immigrant nobles; no Dungeon Master, Tax Collector, or Hammer Dwarf. This means you cannot tame exotic animals and nobles have trouble assigning dangerous punishments, reducing potential fun.
- No solution beyond modifying the game to change the exotic creatures you want to tame. Also, avoiding dangerous punishments assigned by nobles may actually be a good thing. The Hammer Dwarf can be quite dangerous.
I can add that minting lots of copper, silver and gold coins has absolutely no effect as it used to in some old versions.
Dwarves with old clothes will claim new clothes but not actually wear them. Thus, clothes are everywhere.
Provide every dwarf with a personal bedroom and a cabinet in it. They will store their owned clothing in the cabinets.
Now, about frostbites - civilians newer wear their owned clothes even if they are completely naked. You may assign every civilian dwarf to a permanently inactive squad and assign clothes as uniform to them to combat cold.
Dwarves use ammo designated for combat for training and refuse to pick up ammo stored in stockpiles. This makes ranged weapons somewhat useless after a few rounds of practice during training.
Besides very unreliable distinction of metal bolts for combat, bone and wood for training - taking bolts from bins in ammo stockpiles may actually work from my experience. When a marksman squad has no leader (e.g. the squad captain is killed and you haven;t appointed a new one) - no new bolts will ever be assigned to the squad.
Underground soil must have mud for underground crops. ToadyOne said that soil should work for farms without mud.
- Designate pit / pond tiles so your Dwarves make the floor muddy. You do this from the room above by channeling out the floor in a nifty pattern. Using irrigation floodgates and grates to regularly saturate the room with water and make things muddy does not always work as the water can push around the mud and leave tiles without mud. Likewise, taking advantage of murky pools does not always work for the same reason; the water can push around the mud and leave tiles without mud.
Flooding a room to 2/7-3/7 and letting it slowly dry up usually works. You may have some luck with a simple pump and no micromanagement.
I am now considering setting blood and similar liquids melting point to be between most creatures' [HOMEOTERM] and whatever the fixed underground temperature is. Blood has [ROTS] tag in vanilla DF but apparently liquids don't ever rot. Frozen pus and extracts (their melting point is most likely randomized) from some megabeasts always eventually rot so I guess [STATE_NAME:ALL_SOLID:dried up blood] and letting it rot will automatically clean blood contaminants for most cases. [LIQUID_DENSITY:NONE] sounds like a copy-paste induced typo but I checked that changing it has no effect.