Originally posted by Kazavon:

Was there a specified order for the Addons? I saw that a lot of them are graphical mods, so would popping them at the bottom work?

Put them at the top, so they don't overwrite anything they aren't supposed to. The only one that might matter is the PD - Gaia worlds mod, put it after PD

Okay, what about Dark Blue UI? It says to put them after Dynamic UI?

!Astronomical Emblems AI Enabled
Astronomical Emblem Pack
AI Spymaster
Abandon Colony
Agreements Boost Diplomatic Weight [3.3.*]
Armies for Alloys and Food
Banned! (3.3)
Basic Ordinary Origins
Civil Wars
Colossus Uninhabitables
Crisis Manager - End-Game Edition (3.3.¢)
Cybrxkhan's Assortment of Namelists for Stellaris
Demilitarize (fixed)
Destroy Archaeological Sites
Diverse Prosperous Unifications
Diverse Rooms
Divided Loyalties (3.3)
Dynamic Political Events
Empires Expanded (formerly Civics Expanded+)
End Boss
Epic Explosions
Ethical Traits Expanded
Expanded Espionage and Diplomacy
Expanded Mandates
Expanded Stellaris Ascension Perks - Unofficial 3.3
Expanded Stellaris Traditions - Unofficial 3.3
Extended Vanilla Palette
Foreign Gateway Construction
Flags in the void
星海帝皇起源：帝国税
Gigastructural Engineering & More (3.3)
Gigas Stellar Manipulation
Guilli's Planet Modifiers and Features
Guilli's Technologies
Higher Influence Cap
Immersive Galaxie - Planet Variety Reborn 2k
Light Borders
Machine & Robot Expansion
Machine Shipset
Marauders but Cooler
Mercenary Megacorps
More Civics
More Events Mod
MEM & Gigas Perk Patch
[3.3.*] New Enclaves
Penal Colony: Enhanced
Overpowered Civics
Planetary Diversity
Planetary Diversity - Exotic Worlds
Planetary Diversity - Gaia Worlds
Planetary Diversity - More Arcologies
Planetary Diversity - Shroud Worlds
Planetary Diversity - Unique Worlds
Potent Rebellions
Random Species Names - Updated
Real Space 3.8
Shut Up, We Don't Care! (3.3)
Species Engineering
Start with AutoExplore
Technological Ascendancy
工整传统3.3.*
Tidy Traditions: Superior English Localisation
Trait Diversity
Trait Diversity - Trait Points Traits
Useful Heirs
Vassals Expanded and Reworked - FunEFork
Xenology : Traits Expansion Unofficial - Biological Module (3.3.X)
xors Better Diplomacy
Government Variety Pack
Banned! Compatibiliy Patch
The Zenith of Fallen Empires 3.0
The Zenith of Fallen Empires: Societal Ascendance
Extra Ship Components NEXT
Ancient Cache of Technologies
Ancient Cache of Technologies: Override
Ancient Cache of Technologies : Secrets Beyond The Gates
Destructive Bombardment: Death from the Heavens
~Acquisition of Technology
(-NSC2 Season 6-)
Additional Vanilla Buildings
Additional Vanilla Buildings 3.3.4 Patch
Aggressive Crisis Engine
UI Overhaul Dynamic
Tiny Outliner v2
Tiny Fleets
UI Overhaul Dynamic + Extended Vanilla Palette Fix
UI Overhaul Dynamic + Planetary Diversity
UI Overhaul Dynamic + Tiny Outliner v2
! Reworked Advanced Ascension
36 Building Slots
! Dark Blue UI Remake
! Dark Blue UI Universial Patch
!!!Universal Resource Patch [2.4+]
!!Universal Modifier Patch (3.3.*)
! Immersive Beautiful Universe !
! Better Performance & Utilities
! Core Framework & Modmenu
Stellaris Ultimate Pack Compatch

The above is the proper load order for the core pack + addons with the update as of 04/10/2022.