don't know if some of these count as QoL but
TF2-Like
Adds a few features inspired by Team Fortress 2.

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Random Crits
Sometimes damage may double (or even triple if the server host wants to do that).

(this mod is an evolution of this feature which is currently a standalone addon)

Mann Power
Spawns rune capsules near HP pickups. Server hosts can also choose to give players infinite wire.


Domination
Doing too good at the game? Increased damage intake and reduced Mann Power rune duration.


Deathcam
Scaled text displaying how the player died will show on death. Turned off by default due to it's buggy nature.


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EVENTS
Some days / months will have special events happen, for instance:

Halloween Event
During October, extra actors may spawn.
(posting screenshot later)

Christmas Event
During December, snow will fall on most maps, and extra actors will spawn..
(posting screenshot later)

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You can use !t2l in the console to customize most of the features' functionality.
Download coming soon™