Here are some in-depth config changes:

Advanced Finders

Advanced Finders Client Configuration

> GEM

• nameColor DARK_AQUA -> BLUE
• drawOutline OFF -> ON

> Metal

• drawOutline OFF -> ON

> Mineral

• drawOutline OFF -> ON

Advanced Hook Launchers

Advanced Hook Launchers Common Configuration

> Pudge

> > Launcher

• durability 300 -> 600

> Spear

> > Launcher

• durability 180 -> 800

> Web

> > Launcher

• durability 240 -> 500

Almost Unified

• Startup.json world_gen_unification false -> true

Apothic Enchanting

• Sculkshelf Noise Chance 200 -> 250

Ars Nouveau

Client

> Misc

• Disable Skyweave OFF -> ON *

Arthropod Phobia Expansions

Ar Ph Ex Configurations

> Spawning

• Boss rarity 2.0 -> 3.0

Artifacts

Artifacts Config

> General

• Remove Slot Restrictions No -> Yes

> Items

• Bunny Hoppers
• Fall Damage Multiplier - 0.0 -> 0.1
• Jump Strength Bonus 0.4 -> 0.6
• Digging Claws
• Block Break Speed 0.3 -> 0.15
• Tool Tier stone -> diamond
• Everlasting Beef
• Drop Rate 0.002 -> 0.052

AutoSwap

Tool Switching

• Auto Weapon On Attack OFF -> ON
• Restore Previous Item After Auto Tool OFF -> ON

Better Compatibility Checker

Common

> General

• Modpack name added
• Project ID added
• Modpack version added

BetterCaves

• liquidregions.json -> water_region_spawn_chance 0.40 -> 0.33

Boss_checklist-client

• searchBarEnabled false -> true

Bridging Mod

Features

• Only Bridge While Crouching OFF -> ON

Visuals

• Show Bridging Outline -> OFF -> ON

Regions Unexplored

• Added Ancient Remnants Monoliths to Regions Unexplored biomes
• Tweaked the spawn rates slightly

Sanity Renewed

• Balanced almost all gain and loss values

The Broken Script

General Configuration

• disableBlockBreaking false -> true

World configuration

• removeDeepslate true -> false
• allowOldWorldGen true -> false
• disableWorldEater false -> true
• nightmareTeleportChance 15 -> 9
• disableSeedChanger false -> true
• structureDayApart 1 -> 10

Event Rate Config

• maxEventsPerDay 8 -> 3
• enableMoonCorruptionMobDespawns true -> false
• disguisedCircuitOreChance 0.01 -> 0,005

Void.jar

Void Jar Config

> Variables

• Max Events Cooldown: 3500 -> 9500
• Min Events Cooldown: 600 -> 3500
• Spawn Chance: 250 -> 420

The following mods are what one would call "core mods", adding key elements to the gameplay.

• Advanced Finders - Adds specialized ore detection tools
• Advanced Hook Launchers - Adds 3 specialized hooks with distinct mechanics.
• BridgingMod - Adds a bridging assist feature often referred to as "Reach-Around Placement", also found in Quark and Bedrock Edition!
• Distant Friends - Adds stalking player-like mobs that creep at you from a distance.
• Epic Fight - Bosses'Rise - Adds souls-like bosses, dungeons and loot.
• Fight Back - Adds powerful tools and armor to defend yourself against the dark entities that haunt your world.
• HIM - Herobrine - Stalking entity
• Immersive Engineering - Adds lots of realism-inspired technology
• Laser IO - EnderIO Pipes but reworked, and with additional content.
• LittleTiles - Adds the ability to create micro (pixel) blocks.
• MagiTech: Arcane Engineering - Adds "MagiTech", combinging magical and engineering elements with a progression tree centered around minerals.
• Modopedia - Adds custom resource-driven guidebooks (Upcoming)
• Morrowless - A dark horror-adventure mod built to make Minecraft survival feel dangerous, unfamiliar, and worth exploring again.
• Pack-a-Punch Machine - Adds the option to upgrade weapons. Full support for Tacz and vanilla firearms.
• Sanity: Renewed - Introduces a sanity meter inspired by Don't Starve, adding a new mechanic that forces players to manage their mental state alongside hunger and health.
• Serene Seasons - Adds immersive, world-wide seasonal changes
• TacZ: AoS - Lets you snipe entities from extreme distances with realistic ballistics.
• TacZ Attributes - Adds more than 250 attributes to TacZ weapons
• The Final Goatman - Adds a terrifying cryptid
• Underground Villages, Stoneholm - Adds new villages underground
• Vulcan's Flashlights - Adds flashlights, miner's helmets and more.
• Wan's Bio-Scanner - Faction tracking and specialized entity identification.
• Wayfinder - Adds a friendly mob that helps you find biomes
• When Dungeons Arise - Adds massive dungeons to your world
• YUNG's Better..
  • Cave Biomes
  • Caves
  • Desert Temples
  • Dungeons
  • Jungle Temples
  • Mineshafts
  • Strongholds
  • Witch Huts

Mods that tweaks the world, particles, mobs, blocks features etc. or adds something that isn't really content

• Higher Heights Mod - Increases the world height tremendously
• AAA World - Adds back the lightning effect in older version of AAA Particles mod, and more!
• AE2 Tangible Bookmarks - Let's you bookmark items in AE2 and more!
• AE2 Terminal Scroll Wheel Cycle - Allows you to use your scroll wheel in various AE2 terminals
• Auto Swap - Automates inventory management and equipment swapping
• BetterEnd Cities - Changes to end city generation and loot.
• Delete Worlds To Trash - Adds the ability to restore deleted worlds
• Dough Slime Ball Recipe - Create slime with dough from Farmers Delight and dye!
• Draconic Insight - Adds an informational "companion" for Draconic Evolution
• Enchantment Descriptions - Adds enchantment desscriptions to your enchanted gear (both vanilla and some modded)
• Essential Mod - Adds lots of enhancements and possibilities like the ability to host multiplayer worlds for free!
• FastFind - Helps you locate specific items inside any inventory block — chests, furnaces, hoppers, shulker boxes, barrels, you name it.
• First-person Model - Client-side mod that changes what you see in 1st person
• Fog - A total overhaul of Minecraft's fog, offering many different options for customization.
• Inventory HUD+ - Overhauled Inventory with lots of options and customizeability.
• Inventory Mending - Takes away the need to hold the tools with mending
• KubeJS Apothic - Fixes/changes how experience costs from Apothic Enchanting are handled.
• Keep Inventory Always - Turns on the KeepInventory gamerule by default.
• MiniBoss Boss bars - Adds bossbars for minibosses
• Not Enough Animations - Adds/modifies a lot of missing third-person animations from first-person
• PatPat - Let's you pat mobs!
• Punchy! - Engine for various first-person animations.
• Refined Storage Warning - Warns you when Refined Storage storage capacity is low
• Resourcify - In-game resource pack, data pack and shader browser + updater.
• Packed Packs - Adds resourcepack folders
• Search for Iris Shaders - Native integration for directory navigation inside shader options.
• SeeU - Makes distant players visible far beyond vanilla entity tracking, Compatible with Voxy
• Spawn Animations - Adds fancy spawn animations to mobs!
• Stack Refill - Automatically replaces exhausted resources from backpack reserves.
• Streams Reflowing - Creates beautiful weaves and wonderful waterways in your world.
• Thunderhead - Lightning & Thunder overhaul.
• Travelers Titles - Adds RPG-like titles when entering biomes or dimensions.
• Visual Workbench - Items remain physically dropped inside the crafting grid matrix.
• Vulcan's Darkness - Adds darkness to the world

The following mods has been added to improve quality and performance

• All The Leaks - Crash prevention and optimization
• Create: Better FPS - Greatly improves your fps when using Shaderpacks with Create mods.
• Entity Culling - Mod that enables the option to skip rendering things that are not in you FoV
• Epic Fight (FPS Optimizer) - A configurable client-side FPS optimizer, reduces distant animation and visual effect rendering costs
• Fast Noise - Modern optimization mod to improve world generation times.
• Just Enough Threads - Optimizes JEI startup by moving the heaviest startup work off the main thread and spreads it across your CPU cores.
• Not Enough Crashes - Instead of having to reload the whole pack etc, you get booted back to the main menu when you crash usually atleast, there are some bugs with this and some irrecoverable crashes that will still crash your whole game.
• PackForge - Mod that helps large resource packs load faster.
• Quick Pack - Improves datapack & resourcepack zip gile loading times.
• Saturn - Optimized memory usage and re-mapped memory leak garbage tracking.
• Smooth Boot (Recreated) - Smooth loading allocations across split core processing.
• TacZ: Gunpack Redistribution - Small compatibility utility for TacZ.
• TT20 - TT20 helps reduce lag by optimizing how ticks work when the server's TPS is low.
• (QAPI) Quantified API - High-performance API for Minecraft mobs, built to handletasks efficiently, reduce lag, use GPU acceleration, smart caching and multithreading.

The following mods are add-ons for mods already in the modpack.

• AE2 Crafting Tree - Adds a crafting tree to AE2, great for automation!
• Applied Delight - Adds a Wireless Cooking Pot, a Farmer's Delight pot that pulls ingredients from AE2 networks
• BetterF3 Spark Module - Add-on for BetterF3 that directly links hardware monitoring with the F3 menu interface.
• Farmer's Cutting: Regions Unexplored - Adds more Farmer's Delight cutting board recipes for Regions Unexplored.
• (IU) Power Utilities - Add-on to Industrial Upgrade. Adds a block that allows you to convert energy from one type to another, and then back.
• (IU) Simply Quarries - Add-on for Industrial Upgrade that adds a quarry block.
• (IU) Watering Can - Adds watering cans to Industrial Upgrade.
• Just Enough Items: AE2 - Reintroduces the Just Enough Items compatibility layer that Applied Energetics 2 removed in 1.21
• Just enough Items: Create Compat - A compatibility mod for Create and JEI that enhances the display of sequenced assembly recipes in JEI for 7+ steps.
• Just Enough Items: Effect Descriptions - Provides useful information regarding status effects.
• Just Enough Items: Enchants - Adds enchantment-related information to JEI.
• Just Enough Items: Filters - Adds a dedicated filter bar to your item list
• Just Enough Items: Malum - Add-on for Malum, designed to display spirit and soul harvesting drop information in JEI.
• Just Enough Items: Mekanism Generatiors - Adds new custom JEI categories based on Mekanism Generators
• Just Enough Items: Mekanism Multiblocks - Adds a JEI page about Mekanism mod's multiblocks.
• Just Enough Items: Refined Storage - Enhances crafting and recipe interaction between JEI and Refined Storage.
• Just Enough Items: Resorces - Adds info about mob drops, dungeon loot, ore gen and plant drops
• Just Enough Items: Search - Add-on that improves the search experience with better clearing, autocomplete suggestions, search history and favorites.
• Just Enough Items: Sophisticated Backpacks - Adds a JEI Index Upgrade for Sophisticated Backpacks.
• Just Enough Items: Structures - Adds structure information browsing to JEI.
• Just Enough Items: WorldGen - View ore generation information from inside JEI (compatible with the majority of modded ores since it reads directly from the biome data).
• Just Enough TacZ - This mods adds config that allows removal of guns and addons from the game
• Loot Integrations: Yung Structures - Addon for Loot Integrations, changes loot-table for the Yung mod's structures:
• Loot Integrations: Randomized Loot - Addon for Loot Integrations that enhances loot variety in standard chest loot tables.
• ME Requester - Easy automation methos to keep AE2 ME-system "in stock"
• Mekanism Turrets & Fences - Adds defensive turrents and fences
• Mekanism Jade Upgrades - Addon that adds extra tooltips on Jade to show installed upgrades in Mekanism machines
• Refinded Storage: Delight - Adds a Wireless Cooking Pot, a Farmer's Delight pot that pulls ingredients from Refined Storage networks
• Refined Storage: Extra Disks - Adds bigger fluid- and item disks to Refined Storage
• Refinded Storage: Fluid Substitution - Allows fluids to be used directly instead of buckets to Refined Storage
• Refined Storage: Types - Adds support for FE Source and Souls in various Refined Storage components
• Sophisticated Tactical Backpacks - Add-on for Sophisticated Backpacks that adds military-style camouflage appearance and an Ammo Reload Upgrade that is compatible with several firearm mods (like TacZ).
• TacZ Addon - An expansion mod for TaCZ.
• TacZ Attributes (Addon) - Transform every gun into a unique find.
• TacZ: Blueprints Reforged - Add-on for TaCZ that turns guns and attachments into something you have to discover and earn.
• TacZ Veil Lights - Add-on that renders configured TaCZ weapon lights through the separate Veil Volume Lights library

The following mods has been added to add suport and compability between mods.

• Agritech Seasons Compat - Adds compatibility between Agritech and Serene Seasons
• Ars Mekanica - A compatibility addon that bridges Ars Nouveau and Mekanism.
• BetterEnd x Chipped - Massive expansion of decorative variant choices for end-materials.
• CIT Resewn - Re-implements MCPatcher's CIT
• CITResewnNeoPatcher - Patches CIT Resewn mods so it runs on NeoForge through Sinytra Connector
• Create Better End Compat - Adds compatibility between Create and BetterEnd
• Dynamic Trees x BetterNether - Bring Dynamic Trees support to the trees and fungi added by BetterNether.
• Dynamic Trees x BetterEnd - Bring Dynamic Trees support to the trees and giant fungi added by BetterEnd.
• Dynamic Trees x VanillaBackport - Adds compatibiltty between Dynamic Trees and VanillaBackPort
• EMF Comapt: Carry On - A small client-side mod that makes Carry On carry poses work correctly with Entity Model Features player models.
• EMF Compat: Core - A shared client-side library that lets all EMF Compat addons fix animation conflicts with Entity Model Features.
• EMF Compat: Malum - Adds compatibility between ProjectE and Malum
• EMF Compat: Not Enough Animations - Entity Model Features: player animations while Not Enough Animations is active.
• EMF Comapt: Physics - This allows resource packs that use EMF — such as Fresh Animations — to work correctly with Physics Mod's ragdoll and other physics mods.
• EMF Compat: TACZ - Adds EMF compatibility for TacZ
• Epic Fight Auto Compat - Background translation framework for out-of-the-box combat styles.
• Epic Fight & Better Combat x Punchy! - Simply disables Punchy! from rendering when in "epic fight battle mode" and when using better combat swing just so you can use custom animation packs for better combat such as malfu's.
• Epic Fight: Curios Compat 3.0 - Adds compatibility/fix between Curios and Epic Fight
• Epic Fight: Curios Elytra - Allows slotting of standard flight parameters inside Curios accessories.
• Epic Fight x Punchy - Adds compatibility between Punchy and Epic Fight
• Epic FIght x TacZ - compatibility patch that restores TacZ's gun animations — both first-person (reload, inspect, draw) and third-person (gun-holding pose, body tilt, leg stance), when Epic Fight is installed alongside TacZ.
• Epic Fight: Tweaks - Core adjustments for overall damage parameters and entity behaviors.
• Evolved Mekanism JEI Compat - Adds compatibility between Evolved Mekansim and JEI
• Iris Veil Compat - Allow mods using the Veil rendering engine to render correctly when using Iris Shaderpacks.
• Jade Additional Entities - Adds support for displaying information from Jade on entities added by other mods.
• Jade Animal Info
• Jade Born in Chaos - Adds useful growth details to animal tooltips through Jade.
• Jade Sophisticated Backpacks - Adds rich Jade tooltips for Sophisticated Backpacks.
• Jade TacZ Compat - Adds compatibility for TacZ to Jade.
• L_Ender's Cataclysm x YUNG's Better Nether Fortresses Compat - Some config changes so that mobs properly spawn in YUNG's Nether Fortresses.
• Loot Integrations - Implemented global looting balance patches covering Born in Chaos, L_ender's Cataclysm, Integrated, Yung's, and Vanilla variables.
• Loot Integrations: Born in Chaos - Enhances loot for Born in Chaos structures and bosses.
• Loot Integrations: L_Ender's Cataclysm - Enhances loot for L_Ender's Cataclysmstructures and bosses.
• Macaw's Betters - Adds multi-compatibility for Macaw's..
  • Bridges
  • Doors
  • Fences & Walls
  • Furnitures
  • Lights & Lamps
  • Paintings
  • Paths & Pavings
  • Roofs
  • Stairs
  • Trapdoors
  • Windows

for BetterNether and BetterEnd.

• Mystical Agriculture Compats - Adds compatibility between Mystical Agriculture, Mekanism's Enrichment Chamber and EnderIO's SAG Mill.
• Mystical Engineering - Adds comaptibility between Mystical Agriculture and Immersive Engineering's "Garden Clocke".
• ReIntegrated: Chipped - Smoothly integrates the blocks from the Chipped mod into vanilla's biomes and structures.
• Spawn Animations Compat - Adds compatibility between Spawn animations and 50+ mods!
• TacZ: Curios - TaczCurios adds custom curios (accessories) to the mod TacZ.

Libraries, engines and more required mods.

• AAA Particles - Library mod that enables using effekseer particles (.efkefc) in minecraft.
• Advanced Wall Climber API - API that enables advanced wall climbing mechnaics for entities.
• Animatica "Foxified" - Animatica unofficial NeoForge port that load the MCPatcher/Optifine animeted texture format.
• Apothic Attributes - library mod that provides a variety of attributes and attribute-related utilities.
• Berezka Library - Library mod for Just Enough TacZ
• Better Library - Simple library for config
• Configured - Dynamically creates configuration menus for every mod with a supported config system.
• CodeChicken Lib - Library mod for "Chicken-Bones" mods
• CreativeCore - Core for LittleTiles
• Cupboard - Provides code, different frameworks and utilities for minecraft mods
• Deimos Lib - A data generation and configuration library
• DragonLib - Multiloader library and framework built on Architectury API
• Eating Animation (Core) - Restores fundamental consumption mechanics for base items.
• Forgified Fabric API - Fabric API implemented on top of NeoForge
• ForgeEndertech - Core library for Large Ore Deposits, Advanced Hook Launchers and Advanced Finders
• FTB Certain Question additions - Adds a few minor improvements and smooth animations to FTB Quests mod.
• FTB Extra Quests - Add-on that adds new tasks, rewards and functions.
• FTB ExtraLib - Library for ExtraQuests
• FTB Library - Library for FTB Quests.
• FTB Quests - Quest book system
• FTB Quests: Completion Broadcast - Chat announcements for quest, (including for players on other teams).
• FTB Quests: Enhance - Client-side "enhancement" mod for FTB Quests
• FTB Quests: Entity Visualization - This mod replaces the boring spawn‑egg icon in a kill task with the actual entity rendered live in 3D.
• FTB Quests: Optimizer - Removes micro-freezes when moving items and turning in quests, makes inventory checking smarter and quieter for the server
• FTB Quests: Quick Check - Adds a button to the FTB Quests GUI that completes all currently available "checkmark" tasks in one action.
• FTB Teams - Library for mods that can utilize team progression like FTB Chunks and FTB Quests.
• Fzzy Config - A powerful configuration engine
• GroovyModLoader (GML) - Lower-level back end optimization for early mod setup strings.
• Konkrete - Another Library mod
• Kotlin for Forge - Adds a Kotlin language loader and provides some optional utilities.
• KotlinLangForge - Provides a Kotlin language adapter for Forge and Neoforge
• LDLib - library for UI, rendering, synchronization, persistence, and in-game editors.
• LibJF - Library mod
• MezzConfig - Simple configuration library for mods
• MRU - Library mod
• Particle Core - Optimizes particles.
• PlayerNBT Quests - Extension mod that provides quest creators with player NBT data detection functionality.
• Platform - Cross-platform library mod based on Architectury to access both Forge and Fabric API's
• Progressive Stages - Minecraft progression system
• Sophisticated Core - Library mod for "sophisticated" mods.
• SuperMartijn642's Core Lib - Adds lots of basic implementations for GUIs, blocks, tile entities, and network packets that allow for similar code between Minecraft 1.12-1.20
• Toadlib - Library mod
• UI Quests - Alternate UI for FTB Quests
• Veil Volume Lights - Veil add-on library that adds support for colored mediums.

The following mods have been added for enabling work on some future upcoming changes & features.

• KubeJS - Edit recipies, add new custom items, script world events, all in JavaScript!
• KubeJS Additions - KubeJS Integration for JEI(/REI) and Jade.
• KubeJS Applied - KubeJS bridge that adds scriptable AE2 recipes, network monitoring, storage/crafting events, device inspection, and optional ME crafting job automation.
• KubeJS Ars Nouveau - Allows KubeJS to create Ars Nouveau Recipies
• KubeJS Create - Create integration for KubeJS.
• KubeJS Curios - Curios integration for KubeJS.
• KubeJS CustomMeteor - "AE2 addon" for modpack makers. It lets you control meteorite blocks and terrain behavior without editing AE2 itself.
• KubeJS Draconic Evolution - Integration for Draconic Evolution fusion crafting.
• KubeJS Editor - In-game visual editor for KubeJS. It allows you to create, modify, and manage recipes and content directly inside Minecraft without writing code.
• KubeJS EnderIO - - Adds KubeJS integration to EnderIO.
• KubeJS Gecko - Allows you to create animatable block/item/armor with Geckolib through KubeJS.
• KubeJS GUI - KubeJS GUI template system to make custom recipes.
• KubeJS Immersive Engineering - KubeJS integration for Immersive Engineering.
• KubeJS IU - Adds configuration possibilities to machine processing recipes of Industrial Upgrade (IU).
• KubeJS JEI - Supports creating new JEI recipe display entries, hiding specified items, or re-showing items that have been hidden.
• KubeJS LootJS - Integration to modify the loot tables and loot modifiers.
• KubeJS Mekanism - Mekanism integration for KubeJS.
• KubeJS Mekanism Extends - Mekanism Extends integration for KubeJS.
• KubeJS NeoVitae - KubeJS addon for NeoVitae that exposes its custom recipe types to server scripts, so pack authors can add, remove, and customize recipes without touching JSON by hand.
• KubeJS Keybinds - Expands upon KubeJS by allowing you to modify existing KeyBinds and Categories.
• KubeJS Occultism - Occultism KubeJS provides KubeJS integrations for Occultism.
• KubeJS PneumaticCraft: Re-pressurized - PneumaticCraft: Repressurized integration for KubeJS.
• KubeJS ProjectE - Lets you set the EMC values of items and the Philosopher's Stone transformations blocks with the ProjectE mod.
• KubeJS Tweaks - This is an addon for KubeJS to abstract some common usage of KubeJS for heavly modded modpacks.
• KubeJS Quest(JS) - Adds client-side KubeJS events for the FTB Quests GUI.
• KubeJS Rechisled - KubeJS integration for Rechisled.

• Fancy Menu
  • (Fully customized main menu, "ESC" menu, video settings, audio settings etc.)
• Drippy Loading Screen
  • (Fully customized loading screen)
• Fully customized music in menus