Darkness Falls v2.1 has now been released to the STABLE branch for everyone. This is the full list of changes. It has been uploaded here to the nexus, along with the server version. Have fun. :)

• Updated for 17.3.
• Added skill notes to quest rewards.
• Added blank class book to loot as a very rare drop.
• Rewrote progression again. Now functions more like A16 with per category crafting tier increase perks 
• Changed perks to unlock based on Action Skills, not levels, except for Steel+.
• Removed perks that increase weapon damage from classes. They are now generic perks and rely on action skill levels instead.
• Locked perks based on if the relevant class perk has been gained so they cannot be purchased. Should stop players buying them twice.
• Altered clothes and mods so insulation stuff and impact bracing can be installed on normal clothing.
• Altered clothes to take the storage pocket mod.
• Increased inventory size to 96.
• Locked all inventory slots as encumbrance slots.
• Reduced encumbrance penalty so the player can still move if all slots are full.
• Added backpacks. Uses the shirt slot, so shirts may become unequiped.
• Player granted a Small Backpack on spawn.
• Added new carry capacity mods for armor.
• Added 2 extra quality levels.
• Lockpick crafting tier determined by lockpicking skill. Lockpicks now work on doors.
• All bolt/arrow recipes should now be craftable without needing a perk. Arrowheads/Boltheads are still locked.
• 308's CCTV system added.
• Near Death debuff scrapped and rewritten. Sets Health, food and stamina to 50, and player takes a 25% XP penalty for 30 minutes
• Food and Drink have custom buffs added to help mitigate the health/food/stamina effects of Near Death.
• Changed RWG so caitlin and the supercorn POI have a minimum count of 1 per map.
• New bunker POI's added to RWG.
• Uranium and Plutonium added to RWG. Found underground in the wasteland.
• Added new radiated biome with demon portals. Works with 17.3 RWG.
• Hazmat suit now works vs radiation, but NOT the radiation biome at the edge of the map. This is intentional.
• Changed titanium ore texture to ice.
• Got rid of the XP popup in the bottom right.
• Mod schematics removed. Generic schematic item added. Needed to craft mods but should make doing that easier now.
• Mod recipes removed from Yeah, Science and added to the Science crafting skill. T1 mods unlocked at level 1, T2 mods unlocked at level 3, T3 mods unlocked at level 5.
• Tool XP requirements reduced by 25% so they should level faster.
• Weapon XP requirements increased by 25% so it should level slower.
• Guppy's motorized shopping cart added. Slightly faster than the bicycle, slower than the minibike but has minibike storage.
• Action skills now PERMANENTLY unlock. No more green number.
• Titanium frames removed. 47-ish titanium blocks added. This is basically every steel block shape I could find. Added to laborer mastery instead of the frames.
• Steel now upgrades to stainless steel. Stainless steel upgrades to titanium.
• Titanium downgrades to stainless steel. Stainless steel downgrades to concrete like A16.
• High-end Future Techology skill tree added. Perks only gained via items. Have fun with lasers.
• Muscle car added. It is mecanic mastery only, faster than the motorcycle and has the most storage.
• Lower 7 day horde gamestages tweaked to see if it helps with hordes not turning up.
• Traders can now die. They still respawn.
• Arrows and bolts can now cause bleed out like they did in A16.
• Animals and animal husbandry added.
• Melee bandits and melee survivors added.
• Sphereii's Localization Patch added to assist with modlet integration.
• Dire wolves are black again.
• Some A16 zombie textures re-added so they don't all have black hair.
• Infection will now kill you if left untreated.
• All quests changed to Gather instead of Craft to make things easier. Also fixed a rare quest-based NRE.
• Removed rabbits because they're buggy. Tweaked quests to ensure any referencing rabbits can still be completed.
• Cement added to Hammer and Forge.
• Steel tools moved to Hammer and Forge 5. Steel armor removed.
• Charismatic Nature localization fixed. Now displays that it works like daring adventurer + better barter.
• Changed sleeper spawning to work more like A16
• Books no longer have durability.
• Updated the compo pack to V38.
• Made sure all compo pack POI's have Copy Air Blocks turned on so they're less likely to be partially underground now.
• New journal entries added. All class information will now display in the journal as SOON as you make the book. You don't need to read them first.
• Lowered mastery perk point costs so buying them is more viable.
• Illnesses now skip stage 0 and go to stage 1. This should help with the illness bug.
• Antibiotics and honey overhauled to work more like A16.
• Guard AI changed to work based on faction, so they'll actually shoot Behemoths and Night Stalkers now.
• Class specific perks are now easier to unlock. Level 3 requires finishing the class quest, levels 4 and 5 require player levels 10 and 20.
• UI Display re-done for custom workstations to fix the flicker issue. This has caused some minor issues with the trader. Workaround patched in but it doesn't "look" very good.
• Increased the heal value of the sterile bandage so it's halfway between the normal bandage and the medical bandage.
• Lowered the stamina and water values of coconut water since it's so easy to get.
• Grandpa's Awesome Sauce now grants ranged damage instead of bartering increases.
• All eyewear now has special bonuses. Check item descriptions instead of the stats page for these increases.
• Fixed damage on Porkins' Shotgun.
• Kages book and generic skill point book no longer scrap into blank class books.
• Slightly increased titanium club damage.
• Radiation biome won't kill you if you have the newbie buff (level 5 or lower)
• Wandering traders added. They have a VERY low spawn chance and carry a much smaller version of Caitlin's list.