diff --git a/README.txt b/README.txt
index b92defc..c6de55b 100644
--- a/README.txt
+++ b/README.txt
@@ -1,4 +1,4 @@
-# More Compostable Items (v1.2, for Minecraft 1.20+)
+# More Compostable Items (v1.2.1, for Minecraft 1.20+)
 
 A datapack that adds composting mechanics to all vanilla items which *should* be compostable, being as close as possible to vanilla mechanics. Fully customizable.
 
diff --git a/data/dnv.recyclecraft/tags/items/compostable_items_30pc.json b/data/dnv.recyclecraft/tags/items/compostable_items_30pc.json
index 350b354..29d2bcb 100644
--- a/data/dnv.recyclecraft/tags/items/compostable_items_30pc.json
+++ b/data/dnv.recyclecraft/tags/items/compostable_items_30pc.json
@@ -6,7 +6,14 @@
             "id": "minecraft:glow_berries",
             "required": false
         },
-        "minecraft:grass",
+        {
+            "id": "minecraft:grass",
+            "required": false
+        },
+        {
+            "id": "minecraft:short_grass",
+            "required": false
+        },
         "minecraft:fern",
         "minecraft:tall_grass",
         "minecraft:large_fern",
diff --git a/data/dnv.recyclecraft/tags/items/vanilla-compostable.json b/data/dnv.recyclecraft/tags/items/vanilla-compostable.json
index 6ae4c77..f6a4440 100644
--- a/data/dnv.recyclecraft/tags/items/vanilla-compostable.json
+++ b/data/dnv.recyclecraft/tags/items/vanilla-compostable.json
@@ -7,7 +7,14 @@
             "id": "minecraft:glow_berries",
             "required": false
         },
-        "minecraft:grass",
+        {
+            "id": "minecraft:grass",
+            "required": false
+        },
+        {
+            "id": "minecraft:short_grass",
+            "required": false
+        },
         "minecraft:fern",
         "minecraft:tall_grass",
         "minecraft:large_fern",
@@ -59,7 +66,8 @@
         },
         "minecraft:carrot",
         "minecraft:cocoa_beans",
-        "#minecraft:flowers",
+        "#minecraft:small_flowers",
+        "#minecraft:tall_flowers",
         "minecraft:lily_pad",
         "minecraft:melon",
         {
diff --git a/data/global/advancements/dnv.more_compostable_items.json b/data/global/advancements/dnv.more_compostable_items.json
index 4471424..be95590 100644
--- a/data/global/advancements/dnv.more_compostable_items.json
+++ b/data/global/advancements/dnv.more_compostable_items.json
@@ -1,7 +1,7 @@
 {
     "display": {
         "title": "More Compostable Items",
-        "description": "Daenvil's More Compostable Items datapack (v1.2, for MC1.20+)",
+        "description": "Daenvil's More Compostable Items datapack (v1.2.1, for MC1.20+)",
         "icon": {
             "item": "minecraft:bone_meal"
         },
diff --git a/pack.mcmeta b/pack.mcmeta
index 2c0abdc..99ce25e 100644
--- a/pack.mcmeta
+++ b/pack.mcmeta
@@ -1,6 +1,7 @@
 {
     "pack": {
-        "pack_format":15,
+        "pack_format":26,
+        "supported_formats": {"min_inclusive": 15, "max_inclusive": 26},
         "description": [
             {
                 "text": "Daenvil",
@@ -17,7 +18,7 @@
                 "underlined": true
             },
             {
-                "text": "\nv1.2, for MC1.20+",
+                "text": "\nv1.2.1, for MC1.20+",
                 "color":"gray"
             }
         ]