User blog comment:Kogath/Monster Hunter: World Discussion/@comment-6050823-20171102181023

New Information about MHW
 * Item Pouch: Hunters can now carry 24 items, 24 monster materials, and 16 gunner pouch.
 * The Pickaxe, Bug Net, Slinger, BBQ Spit, Whetstone, LVL1 Shot, and Capture Net are always with the hunter and don't take up slots in the item pouch.
 * The PC version of Monster Hunter: World won't be worked on any further until the console release.
 * If a player hops in on a quest in progress, they might not get the full rewards. If you join in ten minutes, or less, you'll get everything the quest offers, but if you join later than that you won't get all the materials.
 * All item combinations have a rate of 100%, meaning no more garbage and Book of Combos.
 * Just like some other Monster Hunter games, like Tri, players can upgrade their house.
 * Hunters can capture fauna in the wild before releasing them in their house as pets.
 * The Arena and Time Attack quests are back in Monster Hunter: World.
 * There are four quest options now: Assigned (Key Quests), Optional, Investigations (Can be done a limited number of times, but give a lot of rewards and materials), and Event Quests.
 * Hunters can take bounties now while doing the main quests. They can accept six bounties altogether and do them while on the main quest. These bounties can vary from fishing, gathering mushrooms, etc.
 * Each day a player logs into a "Daily Bonus" will appear is a new system that gives out free items to players. The items are generally Potions, Antidotes, Vouchers, etc.
 * When testing the voices in the character creator screen, players can also see the animations on the hunter's face for each one.
 * Armor Spheres are now converted into points for upgrading armor. Upgrades for armor are now based on a number of points, not the type of Armor Sphere.
 * Hunters can use materials to upgrade Kinsects as well as buy new Kinsect types.
 * The amount of mods on a Bowgun now depends on its rarity. Rarity 1 = One Mod, Rarity 3 = Two Mods, and Rarity 5 = Three Mods.
 * Known Bowgun Mods: Suppressor (less recoil), Reload Booster (faster reload), Deviation Stabilizer (less deviation), Point Blank Booster (more damage within close range), Range Booster (more damage at long ranges), and Shield.
 * Each Bowgun details the reload and recoil values of shots on a special chart in-game.

Sources: https://www.youtube.com/watch?v=DvhsraBbxFs, https://www.famitsu.com/news/201711/02144956.html, and http://www.4gamer.net/games/384/G038421/20171025027/.