Based on Sodium 0.5

• Update BadOptimizations, C2ME, FerriteCore, ImmediatelyFast, LambDynamicLights, YACL
• Remove RyoamicLights config
• Enable C2ME's new Density Function Compiler (from SO)
• Change Ok Zoomer config to match competitive preset

Based on Sodium 0.6

• Update CIT Resewn, C2ME, Fabric API, Fabric Language Kotlin, Mod Menu, Ok Zoomer, Polytone
• Removed unnecessary ModernFix config line "remove_spawn_chunks"

Based on Sodium 0.5

• Update CIT Resewn, C2ME, Fabric API, Fabric Language Kotlin, Mod Menu, Ok Zoomer
• Removed unnecessary ModernFix config line "remove_spawn_chunks"

• Update Loader
• Update Fabric Language Kotlin, OptiGUI
• Changed ThreadTweak main priority to 4 (SO backport)
• Removed unnecessary ModernFix config line "remove_spawn_chunks"

• Update Loader
• Update BetterGrassify, CIT Resewn, Fabric Language Kotlin, OptiGUI
• Changed ThreadTweak main priority to 4 (SO backport)

• Update Loader
• Update BetterGrassify, CIT Resewn, Fabric Language Kotlin, Iris, OptiGUI, Polytone
• Changed ThreadTweak main priority to 4 (SO backport)
• Removed Fabric Language Kotlin duplicate

• Update Loader
• Update CIT Resewn, Fabric Language Kotlin, OptiGUI
• Changed Smooth Boot main priority to 4 (SO backport)

• Update Loader
• Update Fabric Language Kotlin, ModernFix
• Changed Smooth Boot main priority to 4 (SO backport)

• Update Loader
• Update Fabric Language Kotlin
• Changed Smooth Boot main priority to 4 (SO backport)

Based on Sodium 0.6

• Update Loader

1.21.1-5.1 changelog:

• Replace RyoamicLights with LambDynamicLights
• Update Loader
• Update BetterGrassify, C2ME, More Culling, OptiGUI, Polytone

Based on Sodium 0.5

• Update Loader

1.21.1-3.1 changelog:

• Replace RyoamicLights with LambDynamicLights
• Update Loader
• Update C2ME, OptiGUI

Based on Sodium 0.6

• Replace RyoamicLights with LambDynamicLights
• Update Loader
• Update BetterGrassify, C2ME, More Culling, OptiGUI, Polytone

Based on Sodium 0.5

• Replace RyoamicLights with LambDynamicLights
• Update Loader
• Update C2ME, OptiGUI

Based on Sodium 0.6

• Update BetterGrassify, C2ME, More Culling, Polytone
• Missing Mods: Nvidium

Latest Sodium 0.5 release: 1.21.1-3.0.1

Based on Sodium 0.5

• Update C2ME, Fabric API, OptiGUI, Puzzle, VMP

I will keep updating 0.5 release until Nvidium is updated and Sodium will be out of beta.

• Update BetterGrassify, Fabric API, OptiGUI, Puzzle, VMP
• Add back More Culling (SO 1.21.1-4.0 changelog)
• Missing Mods: Nvidium

Latest Sodium 0.5 release: 1.21.1-3.0

• Update Enhanced Block Entities, FabricBetterGrass, Iris, Polytone, Reese's Sodium Options, Sodium, Sodium Extra
• Missing Mods: Nvidium

This is the first release with Sodium 0.6. If you want to use 0.5, you can still use previous version (1.21.1-3.0)

• Remove MoreCulling (you can read why in SO 1.21.1-3.0 changelog)
  MoreCulling would probably not be removed from 1.20.6 and lower versions (as blockstate culling works normally)
• Update C2ME, OptiGUI

• Update CIT Resewn, Cloth Config, ETF, Fabric Language Kotlin, Lithium
• Changed MoreCulling config:
  Disabled Entity Model Culling (doesn't properly turn off while sodium is installed)
  Disabled Custom Item Frame Renderer (often slower than with it disabled, even if faster, not too much since 1.20.x)
  Disabled Powder Snow Culling (#241)
• Changed No Chat Reports config:
  Disabled encryption button
  Disabled server safety button in chat

• Update Loader
• Update Cloth Config, C2ME, EMF, ETF, EntityCulling, Fabric Language Kotlin, ImmediatelyFast, Noisium
• Changed MoreCulling config:
  Disabled Entity Model Culling (doesn't properly turn off while sodium is installed)
  Disabled Custom Item Frame Renderer (often slower than with it disabled, even if faster, not too much since 1.20.x)
  Disabled Powder Snow Culling (#241)
• Changed No Chat Reports config:
  Disabled encryption button
  Disabled server safety button in chat