blocks.json:
=Copied from main pack, then:
-Deleted the following entries:
  UI ICONS
  -barrel
  -cartography_table
  -fletching_table
  -movingBlock
  SHADING
  -flowing_lava
  -lava
  -magma
  -portal
  -sculk_catalyst
  -seaLantern
-Replaced the following entries:
  SHADING
  -lit_blast_furnace: "lit_blast_furnace_front_on_east_west" -> "blast_furnace_front_on"
  -lit_smoker: "lit_smoker_front_on_east_west" -> "smoker_front_on"
  ROTATION
  -dirt: all properties -> 
    "isotropic": {
      "up": true,
      "down": true,
      "side": false
    }
-Replaced "chest", "ender_chest", and "trapped_chest" entries with their Performance versions:
  "chest": {
    "textures": {
      "up": "chest_inventory_top",
      "down": "oak_planks",
      "north": "chest_inventory_side",
      "south": "chest_inventory_front",
      "west": "chest_inventory_side",
      "east": "chest_inventory_side"
    }
  },
  "ender_chest": {
    "textures": {
      "up": "ender_chest_inventory_top",
      "down": "obsidian",
      "north": "ender_chest_inventory_side",
      "south": "ender_chest_inventory_front",
      "west": "ender_chest_inventory_side",
      "east": "ender_chest_inventory_side"
    },
    "sound": "stone"
  },
  "trapped_chest": {
    "textures": {
      "up": "chest_inventory_top",
      "down": "oak_planks",
      "north": "chest_inventory_side",
      "south": "trapped_chest_inventory_front",
      "west": "chest_inventory_side",
      "east": "chest_inventory_side"
    }
  },

entity/pig.entity.json:
=Copied from main pack, then:
-Deleted "saddle" entries from "textures" and "geometry".
-Deleted "controller.render.pig_saddle" from "render_controllers".

entity/shulker_bullet.entity.json:
=Copied from main pack, then:
-Replaced the "shell" texture filepath with the "default" filepath.

particles/:
=Copied explosion and conduit particles from main pack, then:
-Changed texture path from "high_definition_particles" to "particles".

render_controllers/pig.render_controllers.json:
=Copied from main pack, then:
-Added the following "arrays" entry:
      "arrays": {
        "textures": {
          "Array.skins": [ "Texture.default", "Texture.saddled" ]
        }
      },
-Replaced the following entries:
  -textures: "Texture.default" -> "Array.skins[query.is_saddled]"

textures/:
=Copied "blocks", "entity", "items", "models", and "ui" folders from the New Default subpack, then:
-Deleted the following folders and files from the "blocks" folder:
  -bedrock
  -shading
  -stone
  -stonecutter_bottom
  -stonecutter_other_side
  -stonecutter_side
  -stonecutter_top

textures/particle/particles.png:
-Merged particles and high_definition_particles at 512x512 resolution.

textures/flipbook_textures.json:
=Copied from Programmer Art subpack, then:
-Deleted all entries past the "sculk_catalyst_top_bloom" animation.

textures/item_texture.json:
=Copied from main pack, then:
-Deleted "bed" entry.

textures/terrain_texture.json:
=Copied from main pack, then:
-Deleted the following entries:
  UI ICONS
  -grass_carried
  -grass_carried_top
  ROTATION
  -bedrock
  -deepslate
  -deepslate_top
  -dirt
  -dirt_side
  -monster_egg
  -sculk
  -stone

ui/_global_variables.json:
=Copied from main pack, then:
-Set "$is_java_aspects_fidelity" to false.
-Set "$is_java_aspects_performance" to true.

ui/hud_screen.json:
=Copied from main pack, then:
-Added unique boss bar code from previous versions of the pack.
-Deleted entries under "Experience Bar" at the top of the file.
-Deleted "player_position" entry.
-Replaced all "clip_pixelperfect": true" properties with "clip_pixelperfect": false".
-Replaced the "hotbar@hotbar_chooser" object with the following:
                  {
                    "progress_bar_nub@progress_bar_nub": {
                      "size": [ "100%c - 10px", 5 ],
                      "max_size": [ 190, 5 ],
                      "layer": 3,
                      "controls": [
                        {
                          "hotbar@hotbar_chooser": {
                            "offset": [ 4, 16 ]
                          }
                        }
                      ]
                    }
                  }

ui/ui_common.json:
=Copied from main pack, then:
-"item_renderer": Replaced controls array with just "specific_item_renderer@common.specific_item_renderer_performance" (Note: leave "$use_item_icons|default" set to true).
-"inventory_selected_icon": Set "$use_item_icons|default" to false.

ui/..._pocket.json:
=Copied from previous versions of the pack.