sushieater

I'm not a fan of the vanilla world generation, it's way too disjointed and mountainous. There are various mods that improve the world gen, do a search for 'worldgen' at the mod page.

It's more than a bit, 160C is enough.

If you are playing on Standard settings, there are a lot of surface copper deposits. On Survival, it's pretty rare. Commodity traders often sell copper and tin bits. Panning bony soil and exploring ruins is a good way to get valuables for trading. You can find copper and bronze tools in loot vessels in ruins (including pickaxes). You can also buy pickaxes from traders. All you absolutely need for getting started with metal working is a hammer (isn't sold by traders or found as loot), which requires 20 copper bits.

Pigs used to eat grass and hay for a long, long time. The newest 1.18 version (1.18.8) that I have, still has them eating grass/hay. In 1.18, it was specified in: assets/survival/blocktypes/wood/trough-large.json

It costs 2 coal for bloomery + heating the bloom for processing into an ingot. I can smith most stuff just smithing the still hot ingot (which only gets to 900C with a single piece of coal), including processing 2 blooms back-to-back and turning them into a plate. Even, if you were to reheat the ingots, it's a single piece of coal for 4 = an additional 0.25 on top of the 2 that you need anyway. So coal savings aren't a valid argument for your feature.

1.19.4rc1 smithing is an exercise in extreme frustration. The animation timing doesn't work and is inconsistent. A single click with the hammer doesn't work at all. A longer click is inconsistent.

It's pretty likely that newly planted stuff will use your changed settings.

Yes and no. You can still get a cellar benefit, but incoming light reduces it a lot. You definitely don't want a glass roof. A glass wall to a dark room works just fine - you still have have a proper cellar.

It does. There is a 15% benefit. A sealed crock lasts 10x. https://github.com/anegostudios/vssurvivalmod/blob/master/Block/BlockCrock.cs#L19

While some areas can be very low on seeds, they are overall pretty abundant. In my first summer (in my current 1.19 game), I was growing 400 flax plants (3 x 128 plant fields with flax). I explored (as in revealed the map and checked interesting looking stuff) around a 5000x5000 area. Your animals won't die, if you don't feed them. They just don't breed.

The animal feed code was reshuffled quite a bit for 1.19. Based on the .json files, pigs eat protein. Peanuts should count. Raw soy doesn't count as protein, but pickled soy might work (for pigs, not sheep), if you can place it in a trough. I do find pretty weird that you would grow soybeans as animal feed. It's a K-crop and competes with flax. I'm drowning in flax grain (given its low nutrition, it's just bad for Seraph consumption) and could feed a huge army of animals.

Look at durabilitybytype in the .json files under: assets/survival/itemtypes/tool/ You can turn your changes into a mod using ModMaker (comes with the game).

What is generally the minimum temperature, in relation to the average? I want to plant some breadfruit trees, the average temperature is about 22C (per /wgen pos climate). They have a die-below-temp of 10C.

If it were me, I absolutely would bother moving. Returning home with low stability and not being able to recover is rather annoying. You can also disable temporal stability in an existing game. IMO, temporal stability doesn't really add a challenge. It's more like an annoyance and time sink. https://wiki.vintagestory.at/index.php/World_Configuration#Temporal_stability

I don't find food to be an issue at all. In my first game, I didn't have enough stored food for the winter. However, there were enough animals around to survive by hunting. Traveling around in my current game, I collected 30 stacks of seeds, 20 stacks of high calorie grain, enough flax for linen bags, gambeson armor and a full set of windmill sails, various copper and bronce tools/weapons; I could buy 6 copper lanterns, ...