diff --git a/init.lua b/init.lua
index cf84bd0..091ccb0 100644
--- a/init.lua
+++ b/init.lua
@@ -36,9 +36,8 @@ i3 = {
 		hud_speed = 1,
 		hud_timer_max = 1.5,
 
-		damage_enabled   = core.settings:get_bool"enable_damage",
+		damage_enabled = core.settings:get_bool"enable_damage",
 		progressive_mode = core.settings:get_bool"i3_progressive_mode",
-		item_compression = core.settings:get_bool("i3_item_compression", true),
 	},
 
 	categories = {
@@ -52,6 +51,7 @@ i3 = {
 	saves = { -- Metadata to save
 		bag = true,
 		home = true,
+		collapse = true,
 		font_size = true,
 		hide_tabs = true,
 		waypoints = true,
@@ -61,6 +61,11 @@ i3 = {
 		legacy_inventory = true,
 	},
 
+	default_enabled = {
+		collapse = true,
+		inv_compress = true,
+	},
+
 	files = {
 		api = lf"/src/api.lua",
 		bags = lf"/src/bags.lua",
diff --git a/settingtypes.txt b/settingtypes.txt
index 1a45de6..a97f54a 100644
--- a/settingtypes.txt
+++ b/settingtypes.txt
@@ -1,5 +1,2 @@
 # The progressive mode shows recipes you can craft from items you ever had in your inventory.
 i3_progressive_mode    (Learn crafting recipes progressively)    bool false
-
-# Regroup the items of the same type in the item list.
-i3_item_compression    (Regroup items of the same type)          bool true
diff --git a/sounds/i3_achievement.ogg b/sounds/i3_achievement.ogg
new file mode 100644
index 0000000..df38d5b
Binary files /dev/null and b/sounds/i3_achievement.ogg differ
diff --git a/src/api.lua b/src/api.lua
index bf8b0dc..fb8ba00 100644
--- a/src/api.lua
+++ b/src/api.lua
@@ -3,7 +3,7 @@ local make_fs, get_inventory_fs = i3.files.gui()
 
 IMPORT("gmatch", "split")
 IMPORT("S", "err", "fmt", "reg_items")
-IMPORT("sorter", "sort_inventory")
+IMPORT("sorter", "sort_inventory", "play_sound")
 IMPORT("sort", "concat", "copy", "insert", "remove")
 IMPORT("true_str", "true_table", "is_str", "is_func", "is_table", "clean_name")
 
@@ -323,8 +323,10 @@ function i3.hud_notif(name, msg, img)
 	data.show_hud = true
 	data.hud_msg = msg
 
+	play_sound(name, "i3_achievement", 1.0)
+
 	if img then
-		data.hud_img = fmt("%s^[resize:16x16", img)
+		data.hud_img = fmt("%s^[resize:64x64", img)
 	end
 end
 
diff --git a/src/callbacks.lua b/src/callbacks.lua
index 166d6f6..7015f22 100644
--- a/src/callbacks.lua
+++ b/src/callbacks.lua
@@ -203,6 +203,17 @@ local function init_data(player, info)
 	local name = player:get_player_name()
 	i3.data[name] = i3.data[name] or {}
 	local data = i3.data[name]
+	local default = {}
+
+	for k in pairs(i3.default_enabled) do
+		default[k] = data[k]
+
+		if data[k] == nil then
+			default[k] = true
+		end
+
+		data[k] = default[k]
+	end
 
 	data.player_name     = name
 	data.filter          = ""
@@ -215,7 +226,6 @@ local function init_data(player, info)
 	data.ignore_hotbar   = false
 	data.auto_sorting    = false
 	data.reverse_sorting = false
-	data.inv_compress    = true
 	data.crafting_counts = {}
 	data.sort            = 1
 	data.tab             = 1
diff --git a/src/common.lua b/src/common.lua
index 43c31f8..806dcf9 100644
--- a/src/common.lua
+++ b/src/common.lua
@@ -328,7 +328,7 @@ local function apply_recipe_filters(recipes, player)
 end
 
 local function compression_active(data)
-	return i3.settings.item_compression and not next(i3.recipe_filters) and data.filter == ""
+	return data.collapse and not next(i3.recipe_filters) and data.filter == ""
 end
 
 local function compressible(item, data)
diff --git a/src/fields.lua b/src/fields.lua
index 65405cc..b007d95 100644
--- a/src/fields.lua
+++ b/src/fields.lua
@@ -2,12 +2,12 @@ local set_fs = i3.set_fs
 
 IMPORT("min", "max", "vec_round")
 IMPORT("reg_items", "reg_aliases")
-IMPORT("S", "random", "translate", "ItemStack")
 IMPORT("sort", "copy", "insert", "remove", "indexof")
+IMPORT("S", "random", "translate", "compressible", "ItemStack")
 IMPORT("fmt", "find", "match", "sub", "lower", "split", "toupper")
+IMPORT("valid_item", "get_stack", "craft_stack", "clean_name", "check_privs", "safe_teleport")
 IMPORT("msg", "is_fav", "pos_to_str", "str_to_pos", "add_hud_waypoint", "play_sound", "reset_data")
 IMPORT("search", "sort_inventory", "sort_by_category", "get_recipes", "get_detached_inv", "update_inv_size")
-IMPORT("valid_item", "get_stack", "craft_stack", "clean_name", "compressible", "check_privs", "safe_teleport")
 
 local function inv_fields(player, data, fields)
 	local name = data.player_name
@@ -40,6 +40,8 @@ local function inv_fields(player, data, fields)
 
 			if str == "legacy_inventory" then
 				update_inv_size(player, data)
+			elseif str == "collapse" then
+				search(data)
 			end
 
 		elseif sub(field, 1, 8) == "setting_" then
diff --git a/src/gui.lua b/src/gui.lua
index 9e79b3f..fde898f 100644
--- a/src/gui.lua
+++ b/src/gui.lua
@@ -12,8 +12,8 @@ IMPORT("find", "match", "sub", "upper")
 IMPORT("clr", "ESC", "msg", "check_privs")
 IMPORT("compression_active", "compressible")
 IMPORT("min", "max", "floor", "ceil", "round")
-IMPORT("reg_items", "reg_tools", "reg_entities")
 IMPORT("true_str", "is_fav", "is_num", "str_to_pos")
+IMPORT("reg_items", "reg_nodes", "reg_tools", "reg_entities")
 IMPORT("get_bag_description", "get_detached_inv", "get_recipes")
 IMPORT("S", "ES", "translate", "ItemStack", "toupper", "utf8_len")
 IMPORT("maxn", "sort", "concat", "copy", "insert", "remove", "unpack")
@@ -435,7 +435,7 @@ local function get_container(fs, data, player, yoffset, ctn_len, award_list, awa
 
 		for i = 1, 10 do
 			image(heart_x + ((i - 1) * (heart_size + 0.1)), heart_h,
-				heart_size, heart_size, PNG.heart_grey)
+				heart_size, heart_size, PNG.heart .. "^[colorize:#232428")
 		end
 
 		for i = 1, hearts do
@@ -583,7 +583,8 @@ local function show_settings(fs, data)
 		image_button(6.17, 10.75, 1, 0.5, "", "confirm_trash_no", "No")
 
 	elseif data.show_settings then
-		image(2.2, 9, 6, 2.35, PNG.bg_content)
+		fs"container[-0.06,0]"
+		image(2.2, 9, 6.1, 2.35, PNG.bg_content)
 
 		local show_home = data.show_setting == "home"
 		local show_style = data.show_setting == "style"
@@ -606,9 +607,9 @@ local function show_settings(fs, data)
 
 		local X = 2.5
 		button(X, 9.1, 1.6, 0.55, "setting_home", "Home")
-		button(X + 1.6, 9.1, 1.6, 0.55, "setting_style", "Style")
-		button(X + 3.2, 9.1, 1.6, 0.55, "setting_sorting", "Sorting")
-		image_button(X + 5, 9.2, 0.25, 0.25, PNG.cancel_hover .. "^\\[brighten", "close_settings", "")
+		button(X + 1.7, 9.1, 1.6, 0.55, "setting_style", "Style")
+		button(X + 3.38, 9.1, 1.6, 0.55, "setting_sorting", "Sorting")
+		image_button(X + 5.12, 9.2, 0.25, 0.25, PNG.cancel_hover .. "^\\[brighten", "close_settings", "")
 
 		if show_home then
 			local coords, c, str = {"X", "Y", "Z"}, 0, ES"No home set"
@@ -622,20 +623,24 @@ local function show_settings(fs, data)
 					end)
 			end
 
-			hypertext(2.1, 9.9, 6, 0.6, "home_pos", fmt("<global size=16><center>%s</center>", str))
-			image_button(4.2, 10.4, 1.8, 0.7, "", "set_home", "Set home")
+			hypertext(2.2, 9.9, 6, 0.6, "home_pos", fmt("<global size=16><center>%s</center>", str))
+			image_button(4.3, 10.4, 1.8, 0.7, "", "set_home", "Set home")
 
 		elseif show_style then
 			checkbox(2.6, 9.95, "cb_hide_tabs", "Hide tabs", tostring(data.hide_tabs))
 			checkbox(2.6, 10.4, "cb_legacy_inventory", "Legacy inventory", tostring(data.legacy_inventory))
 			checkbox(2.6, 10.85, "cb_wielditem_hud", "HUD description", tostring(data.wielditem_hud))
 
+			if not next(i3.recipe_filters) then
+				checkbox(5.3, 10.85, "cb_collapse", "Collapse inventory", tostring(data.collapse))
+			end
+
 			local sign = (data.font_size > 0 and "+") or (data.font_size > 0 and "-") or ""
 			label(5.3, 9.95, ES"Font size" .. fmt(": %s", sign .. data.font_size))
 
 			local range = 5
 			fs("scrollbaroptions[min=-%u;max=%u;smallstep=1;largestep=1;thumbsize=2]", range, range)
-			fs("scrollbar[5.3,10.25;2.45,0.3;horizontal;sb_font_size;%d]", data.font_size)
+			fs("scrollbar[5.3,10.2;2.45,0.3;horizontal;sb_font_size;%d]", data.font_size)
 
 			fs("tooltip[cb_hide_tabs;%s;#707070;#fff]",
 				ES"Enable this option to change the style of the right panel")
@@ -643,12 +648,14 @@ local function show_settings(fs, data)
 				ES"Enable this option to set the classic inventory size in Minetest")
 			fs("tooltip[cb_wielditem_hud;%s;#707070;#fff]",
 				ES"Enable this option to show the wielded item description in your HUD")
+			fs("tooltip[cb_collapse;%s;#707070;#fff]",
+				ES"Enable this option to collapse certain items in your inventory")
 
 		elseif show_sorting then
 			checkbox(2.6, 9.95, "cb_inv_compress", "Compression", tostring(data.inv_compress))
 			checkbox(2.6, 10.4,  "cb_reverse_sorting", "Reverse mode", tostring(data.reverse_sorting))
 			checkbox(2.6, 10.85, "cb_ignore_hotbar", "Ignore hotbar", tostring(data.ignore_hotbar))
-			checkbox(5.4, 9.95, "cb_auto_sorting", "Automation", tostring(data.auto_sorting))
+			checkbox(5.3, 9.95, "cb_auto_sorting", "Automation", tostring(data.auto_sorting))
 
 			local methods = {}
 
@@ -657,13 +664,13 @@ local function show_settings(fs, data)
 				insert(methods, name)
 			end
 
-			label(5.4, 10.4, ES"Sorting method:")
-			fs("dropdown[%f,%f;2.4,0.5;dd_sorting_method;%s;%u;true]",
-				5.4, 10.6, concat(methods, ","), data.sort)
+			label(5.3, 10.4, ES"Sorting method:")
+			fs("dropdown[%f,%f;2.6,0.5;dd_sorting_method;%s;%u;true]",
+				5.3, 10.6, concat(methods, ","), data.sort)
 
 			local desc = i3.sorting_methods[data.sort].description
 			if desc then
-				tooltip(5.4, 10.6, 2.4, 0.5, ESC(desc))
+				tooltip(5.3, 10.6, 2.4, 0.5, ESC(desc))
 			end
 
 			fs("tooltip[cb_inv_compress;%s;#707070;#fff]",
@@ -675,6 +682,8 @@ local function show_settings(fs, data)
 			fs("tooltip[cb_auto_sorting;%s;#707070;#fff]",
 				ES"Enable this option to sort your inventory automatically")
 		end
+
+		fs"container_end[]"
 	end
 end
 
@@ -1356,7 +1365,7 @@ local function hide_items(player, data)
 		data.items = new
 	end
 
-	if not core.is_creative_enabled(data.player_name) then
+	if not core.is_creative_enabled(data.player_name) and not next(i3.recipe_filters) then
 		local new = {}
 
 		for i = 1, #data.items do
@@ -1509,7 +1518,24 @@ local function get_items_fs(fs, data, player, full_height)
 			local Y = round((i % ipp - X) / rows + 1, 0)
 			      Y -= (Y * 0.085) + 0.92
 
-			insert(fs, fmt("item_image_button", X, Y, size, size, name, item, ""))
+			local item_btn = fmt("item_image_button", X, Y, size, size, name, item, "")
+
+			if next(i3.recipe_filters) then
+				if data.items_progress[item] then
+					insert(fs, item_btn)
+				else
+					local col = "^\\[colorize:#232428^\\[opacity:245"
+					local img = reg_items[item].inventory_image .. col
+
+					if reg_nodes[item] then
+						img = PNG.cube .. col
+					end
+
+					insert(fs, fmt("image", X, Y, size, size, img))
+				end
+			else
+				insert(fs, item_btn)
+			end
 
 			if compressible(item, data) then
 				local expand = data.expand == name
@@ -1652,10 +1678,9 @@ local function make_fs(player, data)
 		__call = function(t, ...)
 			local args = {...}
 
-			if select("#", ...) > 1 then
+			if #args > 1 then
 				local arg1 = args[1]
 				local elem = fs_elements[arg1]
-
 				insert(t, fmt(elem or arg1, select(2, ...)))
 			else
 				insert(t, concat(args))
diff --git a/src/hud.lua b/src/hud.lua
index 9044351..e790851 100644
--- a/src/hud.lua
+++ b/src/hud.lua
@@ -26,7 +26,7 @@ local function init_hud(player)
 			hud_elem_type = "image",
 			position      = {x = 0.79, y = 1.02},
 			alignment     = {x = 1,    y = 1},
-			scale         = {x = 4,    y = 4},
+			scale         = {x = 1,    y = 1},
 			text          = "",
 			z_index       = 0xDEAD,
 		},
@@ -59,7 +59,7 @@ local function show_hud(player, data)
 	-- 2 calls for the notification's back and forth.
 
 	local hud_info_bg = player:hud_get(data.hud.bg)
-	local dt = 0.016
+	local dt = 0.025
 
 	if hud_info_bg.position.y <= 0.9 then
 		data.show_hud = false
diff --git a/src/progressive.lua b/src/progressive.lua
index e206107..1797aa1 100644
--- a/src/progressive.lua
+++ b/src/progressive.lua
@@ -2,11 +2,12 @@ local set_fs = i3.set_fs
 local hud_notif = i3.hud_notif
 local POLL_FREQ = 0.25
 
+IMPORT("reg_items", "reg_nodes")
 IMPORT("fmt", "search", "table_merge", "array_diff")
 IMPORT("is_group", "extract_groups", "item_has_groups", "apply_recipe_filters")
 
 local function get_filtered_items(player, data)
-	local items, known, c = {}, 0, 0
+	local items, known = {}, 0
 
 	for i = 1, #i3.init_items do
 		local item = i3.init_items[i]
@@ -17,8 +18,7 @@ local function get_filtered_items(player, data)
 		usages = #apply_recipe_filters(usages or {}, player)
 
 		if recipes > 0 or usages > 0 then
-			c++
-			items[c] = item
+			items[item] = true
 			known += recipes + usages
 		end
 	end
@@ -133,10 +133,18 @@ local function poll_new_items(player, data, join)
 
 		if data.discovered > 0 then
 			local msg = fmt("%u new recipe%s unlocked!", data.discovered, data.discovered > 1 and "s" or "")
-			hud_notif(data.player_name, msg, "i3_book.png")
+			local last_discovered = diff[1]
+			local img = reg_items[last_discovered].inventory_image
+
+			if reg_nodes[last_discovered] then
+				local id = core.get_content_id(last_discovered)
+				img = i3.cubes[id] or img
+			end
+
+			hud_notif(data.player_name, msg, img)
 		end
 
-		data.items_raw = items
+		data.items_progress = items
 		data.itab = 1
 
 		search(data)
diff --git a/src/styles.lua b/src/styles.lua
index b6c549f..6ad18f5 100644
--- a/src/styles.lua
+++ b/src/styles.lua
@@ -12,7 +12,6 @@ local PNG = {
 	search = "i3_search.png",
 	heart = "i3_heart.png",
 	heart_half = "i3_heart_half.png",
-	heart_grey = "i3_heart_grey.png",
 	prev = "i3_next.png^\\[transformFX",
 	next = "i3_next.png",
 	arrow = "i3_arrow.png",
@@ -54,6 +53,7 @@ local PNG = {
 	all = "i3_all.png",
 	node = "i3_node.png",
 	item = "i3_item.png",
+	cube = "i3_cube.png",
 
 	cancel_hover = "i3_cancel.png^\\[brighten",
 	search_hover = "i3_search.png^\\[brighten",
diff --git a/textures/i3_book.png b/textures/i3_book.png
deleted file mode 100644
index 9332b36..0000000
Binary files a/textures/i3_book.png and /dev/null differ
diff --git a/textures/i3_cube.png b/textures/i3_cube.png
new file mode 100644
index 0000000..3f3d27a
Binary files /dev/null and b/textures/i3_cube.png differ
diff --git a/textures/i3_heart_grey.png b/textures/i3_heart_grey.png
deleted file mode 100644
index 2799427..0000000
Binary files a/textures/i3_heart_grey.png and /dev/null differ