The PVE damage is only in effect in quests.

The small update is being worked on. It will be pushed live whenever it's ready.

This will be fixed whenever we have a new patch ready.

It's all client sided, we don't know the exact reason.

It mostly affects shotguns because of its spread and the individual pellets.

We are aware of that bug for a while now, no idea when it will be fixed.

What DMG counter bug?
If it's about not being correct, we've stated multiple times that it is not and never will be 100% accurate.

Run your FGunZ launcher as administrator.
If that doesn't work, check: https://freestylersworld.com/showthread.php?91106-Not-sure-if-its-the-new-update-or-me&p=865924&viewfull=1#post865924

Pushing a quick fix now:

Drastically reduced Scrider's health. He now has his proper drops as well.
Fixed a crash issue that could occur regarding grenades thrown by NPCs in Challenge Quest

Freestylers,

We have a small update for you today:

Scrider has been released! We're intentionally not giving too much details about Scrider other than he's tough and is meant for the hardcore...