diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a781d048..0d9845100 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,12 @@ Notes for all 1.17.1 releases:
 * Curseforge Launcher: if you're upgrading from MC 1.16.x, please ☑️ Update to new Profile
 * MultiMC: Minecraft 1.17.1 requires Java 16: https://www.oracle.com/java/technologies/javase-jdk16-downloads.html
 
+### 2.1.1
+
+* Temporary fix for first launch crash
+* Fixed tree leaves glitching (thanks, Altirix!) 
+* Updated Fabric API
+
 ### 2.1.0
 
 It is time to finally release Fabulously Optimized for Minecraft 1.17.1! Here are the major updates from 1.9.1 to 2.1.0:
diff --git a/MultiMC/Fabulously Optimized x.y.z/instance.cfg b/MultiMC/Fabulously Optimized x.y.z/instance.cfg
index 89003a4c9..28ac2e8cd 100644
--- a/MultiMC/Fabulously Optimized x.y.z/instance.cfg	
+++ b/MultiMC/Fabulously Optimized x.y.z/instance.cfg	
@@ -16,8 +16,8 @@ OverrideMemory=false
 OverrideNativeWorkarounds=false
 OverrideWindow=false
 iconKey=pack
-lastLaunchTime=1630594227618
-lastTimePlayed=23
-name=Fabulously Optimized 2.1.0
+lastLaunchTime=1630944230513
+lastTimePlayed=67
+name=Fabulously Optimized 2.1.1
 notes=https://www.curseforge.com/minecraft/modpacks/fabulously-optimized
-totalTimePlayed=1049
+totalTimePlayed=1130
diff --git a/Packwiz/1.17.1/config/slightguimodifications/cts.groovy b/Packwiz/1.17.1/config/slightguimodifications/cts.groovy
index c32b6e4eb..60f65945f 100644
--- a/Packwiz/1.17.1/config/slightguimodifications/cts.groovy
+++ b/Packwiz/1.17.1/config/slightguimodifications/cts.groovy
@@ -5,7 +5,7 @@ mainMenu {
             x { it - 2 }
             y { it - 20 }
         }
-        text = literal("Fabulously Optimized 2.1.0")
+        text = literal("Fabulously Optimized 2.1.1")
         align = "right"
         color = 0xFFFFFF
         hoveredColor = 0x55FFFF
diff --git a/Packwiz/1.17.1/config/sodium-mixins.properties b/Packwiz/1.17.1/config/sodium-mixins.properties
new file mode 100644
index 000000000..2c04ad82b
--- /dev/null
+++ b/Packwiz/1.17.1/config/sodium-mixins.properties
@@ -0,0 +1,6 @@
+# This is the configuration file for Sodium.
+#
+# You can find information on editing this file and all the available options here:
+# https://github.com/jellysquid3/sodium-fabric/wiki/Configuration-File
+#
+# By default, this file will be empty except for this notice.
diff --git a/Packwiz/1.17.1/config/yosbr/config/sodium-options.json b/Packwiz/1.17.1/config/yosbr/config/sodium-options.json
index 356967ca8..ef2bf0fd2 100644
--- a/Packwiz/1.17.1/config/yosbr/config/sodium-options.json
+++ b/Packwiz/1.17.1/config/yosbr/config/sodium-options.json
@@ -9,7 +9,7 @@
     "use_entity_culling": true,
     "use_particle_culling": true,
     "use_fog_occlusion": true,
-    "use_block_face_culling": true,
+    "use_block_face_culling": false,
     "allow_direct_memory_access": true,
     "enable_memory_tracing": false,
     "use_advanced_staging_buffers": true,
diff --git a/Packwiz/1.17.1/index.toml b/Packwiz/1.17.1/index.toml
index d187a0468..964d2d09c 100644
--- a/Packwiz/1.17.1/index.toml
+++ b/Packwiz/1.17.1/index.toml
@@ -6,7 +6,11 @@ hash = "84b82b6a4610dcf0f2992d3b86a3abfb8748c54ada513020bae4154581f012ea"
 
 [[files]]
 file = "config/slightguimodifications/cts.groovy"
-hash = "eb76d89d748874878f2fc95c5aee4973bd4e29e2dbafff7b61e2e48e6d78d32b"
+hash = "32304ddce493696f58e524c7d290d229a4eca305c9a9333938657c3d8d7e01f0"
+
+[[files]]
+file = "config/sodium-mixins.properties"
+hash = "051558518a6f3350fadb1546346d937e7f78f69834a075bf91b59921f151cc26"
 
 [[files]]
 file = "config/yosbr/config/capes.json5"
@@ -54,7 +58,7 @@ hash = "120fa73cd1bc43ef382877ba62fc193254903aa60695ec712e74da61b9e6f623"
 
 [[files]]
 file = "config/yosbr/config/sodium-options.json"
-hash = "da96724c0a83a2cc08511b438349ab27820871f14a388006c999ac9848d20074"
+hash = "7e597a01436a7da6f68b3456848ad6b6a000c0efad3e5c04d75249b1df170b18"
 
 [[files]]
 file = "config/yosbr/options.txt"
@@ -132,7 +136,7 @@ metafile = true
 
 [[files]]
 file = "mods/fabric-api.toml"
-hash = "c5797709859b36f2dcf6d5a97bfe618cf43ee2594f5bfe2ff71bb04ec066c13c"
+hash = "c6db1128e617baa879273db1a3152e1b30d4e4da62a64a7fa2bd62285301b408"
 metafile = true
 
 [[files]]
diff --git a/Packwiz/1.17.1/mods/fabric-api.toml b/Packwiz/1.17.1/mods/fabric-api.toml
index dcf7e99b3..153ed6f66 100644
--- a/Packwiz/1.17.1/mods/fabric-api.toml
+++ b/Packwiz/1.17.1/mods/fabric-api.toml
@@ -1,14 +1,14 @@
 name = "Fabric API"
-filename = "fabric-api-0.40.0+1.17.jar"
+filename = "fabric-api-0.40.1+1.17.jar"
 side = "both"
 
 [download]
-url = "https://edge.forgecdn.net/files/3446/268/fabric-api-0.40.0+1.17.jar"
+url = "https://edge.forgecdn.net/files/3454/922/fabric-api-0.40.1+1.17.jar"
 hash-format = "murmur2"
-hash = "1579203170"
+hash = "3918824503"
 
 [update]
 [update.curseforge]
-file-id = 3446268
+file-id = 3454922
 project-id = 306612
 release-channel = "beta"
diff --git a/Packwiz/1.17.1/pack.toml b/Packwiz/1.17.1/pack.toml
index f264af69c..72ed8ed69 100644
--- a/Packwiz/1.17.1/pack.toml
+++ b/Packwiz/1.17.1/pack.toml
@@ -3,7 +3,7 @@ name = "Fabulously Optimized"
 [index]
 file = "index.toml"
 hash-format = "sha256"
-hash = "897435c0ffb0d944b7294965b6181b24546830bfc4444a6198bf3ca778b990e7"
+hash = "fcc445ee077e001c0f72d50f07b6ce616dbc061c7284e0c165f1a12173fc5a5e"
 
 [versions]
 fabric = "0.11.6"