diff --git a/website/client/src/assets/css/sprites/spritesmith-main.css b/website/client/src/assets/css/sprites/spritesmith-main.css
index e481747229..9cc9317aa6 100644
--- a/website/client/src/assets/css/sprites/spritesmith-main.css
+++ b/website/client/src/assets/css/sprites/spritesmith-main.css
@@ -840,6 +840,11 @@
   width: 141px;
   height: 147px;
 }
+.background_container_garden {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/background_container_garden.png');
+  width: 141px;
+  height: 147px;
+}
 .background_coral_reef {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/background_coral_reef.png');
   width: 141px;
@@ -1185,6 +1190,11 @@
   width: 141px;
   height: 147px;
 }
+.background_forest_sunset {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/background_forest_sunset.png');
+  width: 141px;
+  height: 147px;
+}
 .background_forested_lakeshore {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/background_forested_lakeshore.png');
   width: 141px;
@@ -2275,6 +2285,17 @@
   width: 141px;
   height: 147px;
 }
+.background_wall_flowering_vines {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/background_wall_flowering_vines.png');
+  width: 141px;
+  height: 147px;
+}
+.customize-option.background_wall_flowering_vines {
+  background-position: -25px -15px;
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/background_wall_flowering_vines.png');
+  width: 60px;
+  height: 60px;
+}
 .background_water_mill {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/background_water_mill.png');
   width: 141px;
@@ -2697,6 +2718,11 @@
   width: 68px;
   height: 68px;
 }
+.icon_background_container_garden {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/icon_background_container_garden.png');
+  width: 68px;
+  height: 68px;
+}
 .icon_background_coral_reef {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/icon_background_coral_reef.png');
   width: 68px;
@@ -3042,6 +3068,11 @@
   width: 68px;
   height: 68px;
 }
+.icon_background_forest_sunset {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/icon_background_forest_sunset.png');
+  width: 68px;
+  height: 68px;
+}
 .icon_background_forested_lakeshore {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/icon_background_forested_lakeshore.png');
   width: 68px;
@@ -4137,6 +4168,17 @@
   width: 68px;
   height: 68px;
 }
+.icon_background_wall_flowering_vines {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/icon_background_wall_flowering_vines.png');
+  width: 68px;
+  height: 68px;
+}
+.customize-option.icon_background_wall_flowering_vines {
+  background-position: -25px -15px;
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/icon_background_wall_flowering_vines.png');
+  width: 60px;
+  height: 60px;
+}
 .icon_background_water_mill {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/icon_background_water_mill.png');
   width: 68px;
@@ -19172,6 +19214,11 @@
   width: 117px;
   height: 120px;
 }
+.broad_armor_armoire_smileyShirt {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/broad_armor_armoire_smileyShirt.png');
+  width: 114px;
+  height: 90px;
+}
 .broad_armor_armoire_softBlackSuit {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/broad_armor_armoire_softBlackSuit.png');
   width: 114px;
@@ -19287,6 +19334,11 @@
   width: 90px;
   height: 90px;
 }
+.eyewear_armoire_roseColoredGlasses {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/eyewear_armoire_roseColoredGlasses.png');
+  width: 114px;
+  height: 90px;
+}
 .eyewear_armoire_tragedyMask {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/eyewear_armoire_tragedyMask.png');
   width: 114px;
@@ -19897,6 +19949,11 @@
   width: 90px;
   height: 90px;
 }
+.shield_armoire_happyThoughts {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/shield_armoire_happyThoughts.png');
+  width: 114px;
+  height: 90px;
+}
 .shield_armoire_hattersPocketWatch {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/shield_armoire_hattersPocketWatch.png');
   width: 114px;
@@ -20557,6 +20614,11 @@
   width: 68px;
   height: 68px;
 }
+.shop_armor_armoire_smileyShirt {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/shop_armor_armoire_smileyShirt.png');
+  width: 68px;
+  height: 68px;
+}
 .shop_armor_armoire_softBlackSuit {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/shop_armor_armoire_softBlackSuit.png');
   width: 68px;
@@ -20732,6 +20794,11 @@
   width: 68px;
   height: 68px;
 }
+.shop_eyewear_armoire_roseColoredGlasses {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/shop_eyewear_armoire_roseColoredGlasses.png');
+  width: 68px;
+  height: 68px;
+}
 .shop_eyewear_armoire_tragedyMask {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/shop_eyewear_armoire_tragedyMask.png');
   width: 68px;
@@ -21342,6 +21409,11 @@
   width: 68px;
   height: 68px;
 }
+.shop_shield_armoire_happyThoughts {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/shop_shield_armoire_happyThoughts.png');
+  width: 68px;
+  height: 68px;
+}
 .shop_shield_armoire_hattersPocketWatch {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/shop_shield_armoire_hattersPocketWatch.png');
   width: 68px;
@@ -21902,6 +21974,11 @@
   width: 68px;
   height: 68px;
 }
+.shop_weapon_armoire_optimistsClover {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/shop_weapon_armoire_optimistsClover.png');
+  width: 68px;
+  height: 68px;
+}
 .shop_weapon_armoire_orangeKite {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/shop_weapon_armoire_orangeKite.png');
   width: 68px;
@@ -22497,6 +22574,11 @@
   width: 117px;
   height: 120px;
 }
+.slim_armor_armoire_smileyShirt {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/slim_armor_armoire_smileyShirt.png');
+  width: 114px;
+  height: 90px;
+}
 .slim_armor_armoire_softBlackSuit {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/slim_armor_armoire_softBlackSuit.png');
   width: 114px;
@@ -22897,6 +22979,11 @@
   width: 90px;
   height: 90px;
 }
+.weapon_armoire_optimistsClover {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/weapon_armoire_optimistsClover.png');
+  width: 114px;
+  height: 90px;
+}
 .weapon_armoire_orangeKite {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/weapon_armoire_orangeKite.png');
   width: 114px;
@@ -29232,6 +29319,31 @@
   width: 114px;
   height: 90px;
 }
+.head_mystery_202404 {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/head_mystery_202404.png');
+  width: 114px;
+  height: 90px;
+}
+.shop_head_mystery_202404 {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/shop_head_mystery_202404.png');
+  width: 68px;
+  height: 68px;
+}
+.shop_set_mystery_202404 {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/shop_set_mystery_202404.png');
+  width: 68px;
+  height: 68px;
+}
+.shop_weapon_mystery_202404 {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/shop_weapon_mystery_202404.png');
+  width: 68px;
+  height: 68px;
+}
+.weapon_mystery_202404 {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/weapon_mystery_202404.png');
+  width: 114px;
+  height: 90px;
+}
 .broad_armor_mystery_301404 {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/broad_armor_mystery_301404.png');
   width: 90px;
@@ -38280,6 +38392,11 @@
   width: 68px;
   height: 68px;
 }
+.inventory_quest_scroll_fungus {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/inventory_quest_scroll_fungus.png');
+  width: 68px;
+  height: 68px;
+}
 .inventory_quest_scroll_ghost_stag {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/inventory_quest_scroll_ghost_stag.png');
   width: 68px;
@@ -55440,6 +55557,11 @@
   width: 81px;
   height: 99px;
 }
+.Pet-BearCub-Fungus {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet-BearCub-Fungus.png');
+  width: 81px;
+  height: 99px;
+}
 .Pet-BearCub-Ghost {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet-BearCub-Ghost.png');
   width: 81px;
@@ -55895,6 +56017,11 @@
   width: 81px;
   height: 99px;
 }
+.Pet-Cactus-Fungus {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet-Cactus-Fungus.png');
+  width: 81px;
+  height: 99px;
+}
 .Pet-Cactus-Ghost {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet-Cactus-Ghost.png');
   width: 81px;
@@ -56445,6 +56572,11 @@
   width: 81px;
   height: 99px;
 }
+.Pet-Dragon-Fungus {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet-Dragon-Fungus.png');
+  width: 81px;
+  height: 99px;
+}
 .Pet-Dragon-Ghost {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet-Dragon-Ghost.png');
   width: 81px;
@@ -56905,6 +57037,11 @@
   width: 81px;
   height: 99px;
 }
+.Pet-FlyingPig-Fungus {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet-FlyingPig-Fungus.png');
+  width: 81px;
+  height: 99px;
+}
 .Pet-FlyingPig-Ghost {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet-FlyingPig-Ghost.png');
   width: 81px;
@@ -57205,6 +57342,11 @@
   width: 81px;
   height: 99px;
 }
+.Pet-Fox-Fungus {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet-Fox-Fungus.png');
+  width: 81px;
+  height: 99px;
+}
 .Pet-Fox-Ghost {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet-Fox-Ghost.png');
   width: 81px;
@@ -57900,6 +58042,11 @@
   width: 81px;
   height: 99px;
 }
+.Pet-LionCub-Fungus {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet-LionCub-Fungus.png');
+  width: 81px;
+  height: 99px;
+}
 .Pet-LionCub-Ghost {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet-LionCub-Ghost.png');
   width: 81px;
@@ -58420,6 +58567,11 @@
   width: 81px;
   height: 99px;
 }
+.Pet-PandaCub-Fungus {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet-PandaCub-Fungus.png');
+  width: 81px;
+  height: 99px;
+}
 .Pet-PandaCub-Ghost {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet-PandaCub-Ghost.png');
   width: 81px;
@@ -59680,6 +59832,11 @@
   width: 81px;
   height: 99px;
 }
+.Pet-TigerCub-Fungus {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet-TigerCub-Fungus.png');
+  width: 81px;
+  height: 99px;
+}
 .Pet-TigerCub-Ghost {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet-TigerCub-Ghost.png');
   width: 81px;
@@ -60295,6 +60452,11 @@
   width: 81px;
   height: 99px;
 }
+.Pet-Wolf-Fungus {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet-Wolf-Fungus.png');
+  width: 81px;
+  height: 99px;
+}
 .Pet-Wolf-Ghost {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet-Wolf-Ghost.png');
   width: 81px;
@@ -60650,6 +60812,11 @@
   width: 68px;
   height: 68px;
 }
+.Pet_HatchingPotion_Fungus {
+  background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet_HatchingPotion_Fungus.png');
+  width: 68px;
+  height: 68px;
+}
 .Pet_HatchingPotion_Ghost {
   background-image: url('https://habitica-assets.s3.amazonaws.com/mobileApp/images/Pet_HatchingPotion_Ghost.png');
   width: 68px;
diff --git a/website/common/locales/en/backgrounds.json b/website/common/locales/en/backgrounds.json
index b354ddc531..f1cd5fe941 100644
--- a/website/common/locales/en/backgrounds.json
+++ b/website/common/locales/en/backgrounds.json
@@ -955,7 +955,7 @@
   "backgroundHeartTreeTunnelText": "Heart Tree Tunnel",
   "backgroundHeartTreeTunnelNotes": "Drift through the Heart Tree Tunnel.",
 
-  "backgrounds032024": "SET 117: Released March 2024",
+  "backgrounds032024": "SET 118: Released March 2024",
   "backgroundFloweringForestText": "Flowering Forest",
   "backgroundFloweringForestNotes": "Breathe in the perfume of a Flowering Forest.",
   "backgroundRainyRainforestText": "Rainy Rainforest",
@@ -963,6 +963,14 @@
   "backgroundDogParkText": "Dog Park",
   "backgroundDogParkNotes": "Frolic at the Dog Park.",
 
+  "backgrounds042024": "SET 119: Released April 2024",
+  "backgroundForestSunsetText": "Forest Sunset",
+  "backgroundForestSunsetNotes": "Bask in the glow of a Forest Sunset.",
+  "backgroundWallFloweringVinesText": "Wall with Flowering Vines",
+  "backgroundWallFloweringVinesNotes": "Hang out by a wall of Flowering Vines.",
+  "backgroundContainerGardenText": "Container Garden",
+  "backgroundContainerGardenNotes": "Get your hands dirty wth the Container Garden.",  
+
   "timeTravelBackgrounds": "Steampunk Backgrounds",
   "backgroundAirshipText": "Airship",
   "backgroundAirshipNotes": "Become a sky sailor on board your very own Airship.",
diff --git a/website/common/locales/en/gear.json b/website/common/locales/en/gear.json
index 3fdc438af5..4576e2dae9 100644
--- a/website/common/locales/en/gear.json
+++ b/website/common/locales/en/gear.json
@@ -549,6 +549,8 @@
   "weaponMystery202311Notes": "See beyond the bounds of space and time! Confers no benefit. November 2023 Subscriber Item.",
   "weaponMystery202403Text": "Lucky Emerald Sword",
   "weaponMystery202403Notes": "Carrying the biggest sword around is surely a way to create your own luck! Confers no benefit. March 2024 Subscriber Item.",
+  "weaponMystery202404Text": "Mycelial Magus Staff",  
+  "weaponMystery202404Notes": "This staff will bestow upon you an ancient wisdom as ageless as the rocks and trees. Confers no benefit. April 2024 Subscriber Item.",
 
   "weaponMystery301404Text": "Steampunk Cane",
   "weaponMystery301404Notes": "Excellent for taking a turn about town. March 3015 Subscriber Item. Confers no benefit.",
@@ -751,6 +753,8 @@
   "weaponArmoireScholarlyTextbooksNotes": "Here’s your chance to dive deep and learn about any topic that interests you. What’s your current hyperfixation? Increases Intelligence by <%= int %>. Enchanted Armoire: School Uniform Set (Item 3 of 4).",
   "weaponArmoireHattersShearsText": "Sharp Shears",
   "weaponArmoireHattersShearsNotes": "Cut right through overwhelm and complications. These shears do a great job cutting fabric, as well, of course. Increases Strength by <%= str %>. Enchanted Armoire: Hatter Set (Item 3 of 4).",
+  "weaponArmoireOptimistsCloverText": "Four-leaf Clover",
+  "weaponArmoireOptimistsCloverNotes": "Well, would you look at what you found? It never hurts to have just a little extra good luck on your side. Increases Strength and Constitution by <%= attrs %> each. Enchanted Armoire: Optimist Set (Item 4 of 4).",  
 
   "armor": "armor",
   "armorCapitalized": "Armor",
@@ -1578,6 +1582,9 @@
   "armorArmoireSoftWhiteSuitNotes": "White is a peaceful color. Whether you’re facing a crisp white bedsheet or a blanket of newly fallen snow, you’ll have a clear and ready mind. Increases Constitution by <% con %> and Perception by <%= per %>. Enchanted Armoire: White Loungewear Set (Item 2 of 3).", 
   "armorArmoireHattersSuitText": "Hatter's Suit",
   "armorArmoireHattersSuitNotes": "Your outfit isn’t complete without your lucky green bowtie. Wear this to your next mad tea party. Or pleasant tea party. Or excited tea party. Or... Increases Constitution by <%= con %>. Enchanted Armoire: Hatter Set (Item 2 of 4).",
+  "armorArmoireSmileyShirtText": "Smiley Face Shirt",
+  "armorArmoireSmileyShirtNotes": "Because you’re happy! Show the world you’re all smiles today. Increases Intelligence and Perception by <%= attrs %> each. Enchanted Armoire: Optimist Set (Item 1 of 4).",
+
 
   "headgear": "helm",
   "headgearCapitalized": "Headgear",
@@ -2228,6 +2235,8 @@
   "headMystery202402Notes": "This pretty pink mane is the perfect accessory for February and beyond. Confers no benefit. February 2024 Subscriber Item.",
   "headMystery202403Text": "Lucky Aquamarine Cap",
   "headMystery202403Notes": "Lucky you, to be able to don this fine cap of emerald velvet with its fine sea-green gem. Confers no benefit. March 2024 Subscriber Item.",
+  "headMystery202404Text": "Mycelial Magus Hat",  
+  "headMystery202404Notes": "This hat will connect you with the earth and allow you to hear secret wishes from many creatures. Confers no benefit. April 2024 Subscriber Item.",
 
   "headMystery301404Text": "Fancy Top Hat",
   "headMystery301404Notes": "A fancy top hat for the finest of gentlefolk! January 3015 Subscriber Item. Confers no benefit.",
@@ -2873,6 +2882,8 @@
   "shieldArmoireSoftWhitePillowNotes": "The organized warrior packs a pillow for any expedition. Protect yourself from overlooked obligations… even while you nap. Increases Intelligence and Perception by <%= attrs %> each. Enchanted Armoire: White Loungewear Set (Item 3 of 3)",
   "shieldArmoireHattersPocketWatchText": "Shiny Pocketwatch",
   "shieldArmoireHattersPocketWatchNotes": "Don’t be late for a very important date! Check your pocketwatch and your notifications often. Increases Intelligence by <%= int %>. Enchanted Armoire: Hatter Set (Item 4 of 4).",
+  "shieldArmoireHappyThoughtsText": "Happy Thoughts",
+  "shieldArmoireHappyThoughtsNotes": "Whether you're remembering a joyful moment from your past or imagining the best outcome for the future, always look on the bright side of life. Increases all stats by <%= attrs %> each. Enchanted Armoire: Optimist Set (Item 3 of 4).",
 
   "back": "Back Accessory",
   "backBase0Text": "No Back Accessory",
@@ -3288,6 +3299,7 @@
   "eyewearMystery202312Text": "Wintry Blue Eyes",
   "eyewearMystery202312Notes": "No need to worry, these icy blues will help you see through the cold and dark season to the warmth of months ahead. Confers no benefit. December 2023 Subscriber Item.",
 
+
   "eyewearMystery301404Text": "Eyewear Goggles",
   "eyewearMystery301404Notes": "No eyewear could be fancier than a pair of goggles - except, perhaps, for a monocle. Confers no benefit. April 3015 Subscriber Item.",
   "eyewearMystery301405Text": "Monocle",
@@ -3307,6 +3319,8 @@
   "eyewearArmoireTragedyMaskNotes": "Alas! Here sits a heavy mask for thine poor player, strutting, fretting, and expressing woe and sorrow upon the stage. Increases Intelligence by <%= int %>. Enchanted Armoire: Theatre Masks Set (Item 2 of 2).",
   "eyewearArmoireJewelersEyeLoupeText": "Jeweler's Eye Loupe",
   "eyewearArmoireJewelersEyeLoupeNotes": "This eye loupe magnifies what you’re working on so you can see absolutely every detail. Increases Perception by <%= per %>. Enchanted Armoire: Jeweler Set (Item 2 of 4).",
+  "eyewearArmoireRoseColoredGlassesText": "Rose-colored Glasses",
+  "eyewearArmoireRoseColoredGlassesNotes": "These glasses will help you see the best in a situation, and these stylish frames help you look your best, too. Increases Perception by <%= per %>. Enchanted Armoire: Optimist Set (Item 2 of 4).",  
 
   "twoHandedItem": "Two-handed item."
 }
diff --git a/website/common/locales/en/subscriber.json b/website/common/locales/en/subscriber.json
index 1c7c05b6b7..00cd200c62 100644
--- a/website/common/locales/en/subscriber.json
+++ b/website/common/locales/en/subscriber.json
@@ -160,6 +160,7 @@
     "mysterySet202401": "Snowy Spellbinder Set",
     "mysterySet202402": "Paradise Pink Set",  
     "mysterySet202403": "Lucky Legend Set",
+    "mysterySet202404": "Mycelial Magus Set",
     "mysterySet301404": "Steampunk Standard Set",
     "mysterySet301405": "Steampunk Accessories Set",
     "mysterySet301703": "Peacock Steampunk Set",
diff --git a/website/common/script/content/appearance/backgrounds.js b/website/common/script/content/appearance/backgrounds.js
index e68b524da9..24f174c779 100644
--- a/website/common/script/content/appearance/backgrounds.js
+++ b/website/common/script/content/appearance/backgrounds.js
@@ -612,6 +612,11 @@ const plannedBackgrounds = {
     dog_park: { },
     rainy_rainforest: { },
   },
+  backgrounds042024: {
+    forest_sunset: { },
+    wall_flowering_vines: { },
+    container_garden: { },
+  },
   eventBackgrounds: {
     birthday_bash: {
       price: 0,
@@ -661,6 +666,7 @@ const releaseDates = {
   backgrounds012024: '2024-01-04T08:00-05:00',
   backgrounds022024: '2024-02-06T08:00-05:00',
   backgrounds032024: '2024-03-05T08:00-05:00',
+  backgrounds042024: '2023-04-04T00:00-04:00',
 };
 
 const flat = {};
diff --git a/website/common/script/content/gear/sets/armoire.js b/website/common/script/content/gear/sets/armoire.js
index fb58444348..fb68285d2b 100644
--- a/website/common/script/content/gear/sets/armoire.js
+++ b/website/common/script/content/gear/sets/armoire.js
@@ -466,6 +466,11 @@ const armor = {
     con: 9,
     set: 'hatterSet',
   },
+  smileyShirt: {
+    int: 4,
+    per: 4,
+    set: 'optimistSet',
+  },
 };
 
 const body = {
@@ -545,6 +550,10 @@ const eyewear = {
     per: 10,
     set: 'jewelers',
   },
+  roseColoredGlasses: {
+    per: 8,
+    set: 'optimistSet',
+  },
 };
 
 const head = {
@@ -1303,6 +1312,13 @@ const shield = {
     int: 9,
     set: 'hatterSet',
   },
+  happyThoughts: {
+    int: 4,
+    per: 4,
+    con: 4,
+    str: 4,
+    set: 'optimistSet',
+  },
 };
 
 const headAccessory = {
@@ -1776,6 +1792,11 @@ const weapon = {
     str: 10,
     set: 'hatterSet',
   },
+  optimistsClover: {
+    str: 4,
+    con: 4,
+    set: 'optimistSet',
+  },
 };
 
 const releaseDates = {
@@ -1785,6 +1806,7 @@ const releaseDates = {
   schoolUniform: '2024-01-04T08:00-05:00',
   whiteLoungeWear: '2024-02-06T08:00-05:00',
   hatterSet: '2024-03-05T08:00-05:00',
+  optimistSet: '2024-03-05T00:00-05:00',
 };
 
 forEach({
diff --git a/website/common/script/content/gear/sets/mystery.js b/website/common/script/content/gear/sets/mystery.js
index 160a448154..800c3492b6 100644
--- a/website/common/script/content/gear/sets/mystery.js
+++ b/website/common/script/content/gear/sets/mystery.js
@@ -221,6 +221,7 @@ const head = {
   202312: { },
   202402: { },
   202403: { },
+  202404: { },
   301404: { },
   301405: { },
   301703: { },
@@ -288,6 +289,7 @@ const weapon = {
   202306: { },
   202311: { },
   202403: { },
+  202404: { twoHanded: true },
   301404: { },
 };