The update contains this:

New Stuff:
Ai will now chase you if you shoot them
Power Ups meaning special powers, press F to use. Currently only special power is slow motion but I plan to add more as character creation/specialization is coming in the next update(more on that at a future date).
Working quest system but there currently are no quests that you can complete.
New sound for shooting that is not the default unreal one :)

Bug fixes and tweaks:
Rewrote the reload system as it was broken in alot of ways
Added more ammo
Fixed so the mouse cursor shows up on level completetion
Other minor tweaks and fixes that I have forgoten :)

I am aware of the fact that you can not reload in slow motion and you can not go into slow motion when reloading that is becuase both of them are using timers and unreal does not like it when more than one timer is activated unless you do some weird stuff, I will rewrite it for the next update to fix this issue.

The next update:
It is planned to release within 2-5 weeks.

Promised stuff:
Pausing and pause menu.
The door in level 1 which provides the first quest.
Credits screen.
Game over screen
Charater choices.

Stuff that might come:
Reload animation
Foot steps sfx
Randomize Ai Spawns
Start of level 2
Actual non defualt font
Blood splattering

Special shoutout to @Vanta44 for bugtesting and sending me some feedback