Zombies and its variants will spawn with weapons that they can use, their attack speed will be based on the weapon they have.

Armor now works on combat mode 

At this point normal player model mode can and almost is discontinued 

special weapon variations not available

items are now held on the right place

added the ability to switch to other combat mode models using subpacks

In the middle of your screen when you hold a weapon a bar will show sith the current exhaustion you have and the weapon cooldown of the current weapon you have

Exhaust system

This addon adds an energy system to Minecraft called the exhaustion system striking an opponent or using a weapon ability will cause it to go down it will not replenish immediately as you need to be inactive for 5 seconds for this to replenish.

Mastery System: 

Now works for four weapon types: 

Light weapons: Dagger, Wakizashi, Mace, Katar

Sword Weapons: Katana, Sabre, Longsword, Rapier

Polearms: Spear, Halberd, Glaive, Pole Hammer, Lance

Great weapons: Odachi, Greatsword

Longswords are part of the heavy weapon class

Abilities:

Its first ability lets you do a heavy slash

Its sneak ability lunges you forward and deals damage 

Spears is a longrange weapon in the medium weapon class

abilities:

Its first ability lets you throw the spear 

Its sneak ability lets you lunge yourself towards your enemy

Lances: a massive weapon with high attack deals more damage when on a horse or sprinting

Abilities:

Its first ability gives you the resistance effect

Its sneak ability gives you speed and lets you charge toward your enemy to deal damage

Katanas is a curved sword in the medium weapon class

it does more damage than normal swords it will cause bleeding to your enemies

Abilities:

Its first ability is a combo ability that lets the first strike shoot a slash and the second use lunges you forward dealing high damage

Its sneak ability lets you teleport towards entities within a radius of 6 to deal medium to high damage to them

Crafting a katana Has Many Steps:

wakizashi is a type of katana in the light weapon class

abilities:

Its first ability teleports you towards an entity to deal a lot of damage to it

Its sneak ability lets you perform a crescent slash that flies toward the direction you are facing

odachi is a long katana in the heavy weapon class

Abilities:

Its first ability lets you perform a crescent slash that flies toward the direction you are facing

Its sneak ability powers up you next 2 strikes with first a stunning strike and the second a greater bleeding strike

Sabers: because of its curvature it does more damage than normal blades it can block damage like a shield

Abilities:

Its first ability Gives you strength for 2 seconds

Its sneak ability gives you resistance

Dagger is a standard weapon with normal damage that is in the light weapon class

has a special assassinate mechanic that lets you one-shot or highly damage something when sneaking whilst invisible

can be held in the off hand for a bonus dagger damage

Abilities:

Its first ability lets you throw the dagger

Its sneak ability enables you to deal double the dagger damage in one heavy strike

Katar is a fast attack short weapon that is in the light weapons class

Abilities:

Its first ability lets you deal a stab which deals low damage

Its sneak ability teleports you forward and deals medium damage

Pole Hammer is a blunt weapon in the medium weapon class

Abilities:

Its only ability is to smash the ground dealing high damage

Greatsword is a giant bladed wepon in the heavy weapon class

abilities:

Its first ability lets you do  a air slash similar to odachi

Its sneak ability allows you to do a spin attack that simultaneously deals damage

Mace is a blunt weapon in the medium weapon class 

stuns enemies(gives em slowness upon hit)

lower damage on horseback

Abilities:

Its first ability lets you do a heavy slash dealing medium damage

Its sneak ability makes your next strike stronger the added damage can ignore armor

Halberd is a dual-wielded weapon in the heavy weapon class

It has a balanced damage weapon with a lunge attack 

Abilities:

Its first ability lets you do a heavy strike in front

Its sneak ability lets you do a line of shockwaves that increases weapon reach

Glaive is of medium weapon class

a fairly balanced weapon with jump damage boost and sprint damage boost

Abilities:

its first ability stabs the enemies in front of you

its sneak ability lets your run faster and makes attack speed for the glaive faster

Rapier is of light weapon class

Abilities:

 its first ability makes your attack speed faster

the sneak ability lets you perform a barrage of attacks that deals damage per tick

Comes in iron variant

Shoots out 3 arrows in front of you

Not craftable in survival yet

Repair Item Can be used with the broken Item In the anvil to give the broken Item 250 Durability

Odachi Having no crafting recipe

Some Actions having no animations

Swimming causes back Item to float

Ability Animations don't play all the time

Vanilla weapons not being added to combat system

Weapons having no attack animations when attacking nothing