So I've just made a list to keep up with all the new features of my region. Not specially features, but just new items, attacks, abilities etc. I post it more for myself then for you, just so I have a complete list!

NEW HM's

RIDE - Use this HM to ride a bigger-sized pokémon to, e.g. jump over bigger ledges. It can also be used for faster travelling.
SOLIDIFY - Use this HM to solidify quick sands.

NEW TM's

DIG - it's not new, but from now on you can use it on special areas like headbutt.

NEW ITEMS

-Heart Pearl (Dolphink)
-Scent Stone (Buzzy -> Illumise)
-Fossil 1
-Fossil 2
-Weatherball
-Speedball

NEW ABILITIES

-Night Boost
During night time, a pokémon with the ability "Night Boost" 's attack power increases.

-Guard up
A pokémon who has the ability "Guard up" can't have it's accuracy or evasivness lowered.

-Sweet Suprise
When a pokémon with this ability wins a battle, it might hold a rare candy. (5% chance)

-Appreciative
If this pokémon is being attacked either physically or special,
it has 30% chance that the opponent's attack won't succeed

-Silly Bird
50% chance an attack fails

-Waterproof
Reduces the power of water attacks by 30%

NEW ATTACKS

-LimberLight
PP: 5
Att: 120
Acc: 80
Type: Dragon
Effect: Has 20% chance of lowering the foe's accuracy by 1 stage
Contest Type: Beauty
Special/Phsyical: Physical

-Canon Blast
PP: 10
Att: 90
Acc: 85%
Type: Fire
Effect: Has a high chance of causing a burn (40%)
Contest Type: Tough
Special/Physical: Special

-Heatball
PP: 15
Att: 70
Acc: 90%
Type: Fire
Effect: May cause a burn (20%)
Contest Type: Beauty
Special/Physical: Special

-Haloblast
PP: 5
Att: 100
Acc: 95%
Type: Psychic
Effect: May leave the foe paralyzed (30% chance)
Contest Type: Beauty
Spec/Phys: Special

-Flap
PP: 40
Att.: -
Acc.: -
Type: Flying
Effect: Inflicts no damage and has no effect
Contest Type: Cute
Phys/Special: Physical

-Beam Blow
PP: 10
Att.: 60
Acc.: 90
Type.: Electric
Effect.: Decreases Acc. by 1 stage
Contest type.: Cool
Phys/Spec: Special

-TidalRaid
PP: 5
Att.: 100
Acc.: -
Type: Water
Effect: Hits foe unavoidably
Contest Type: Beauty
Spec/Phys.: Special

-Flareburst
PP: 5
Att.: 100
Acc.: -
Type: Fire
Effect: Hits foe unavoidably
Contest type: Tough
Spec/Phys: Physical

-Fool
PP: 25
Att: -
Acc: 90
Type: Psychic
Effect: Drops the opponents evasivness by 2 stages and switches the pokémons hold items.
If however, there either of the pokémon the attack is used on or by has no hold item,
the entire attack will fail.
Contest type: Smart
Spec/Phys: Special

-Spirit Dash
PP: 10
Att: 70
Acc: -
Type: Psychic
Effect: Hits foe unavoidably and has a 50% chance of raising speed
Contest Type: Smart
Special/Physical: Physical