diff --git a/Data/Scripts/001_Technical/001_MKXP_Compatibility.rb b/Data/Scripts/001_Technical/001_MKXP_Compatibility.rb
index bd09633d2..6eae95ad1 100644
--- a/Data/Scripts/001_Technical/001_MKXP_Compatibility.rb
+++ b/Data/Scripts/001_Technical/001_MKXP_Compatibility.rb
@@ -1,4 +1,4 @@
-# Using mkxp-z v2.3.0 - https://gitlab.com/mkxp-z/mkxp-z/-/releases/v2.3.0
+# Using mkxp-z v2.3.1 - https://gitlab.com/mkxp-z/mkxp-z/-/releases/v2.3.1
 $VERBOSE = nil
 Font.default_shadow = false if Font.respond_to?(:default_shadow)
 Graphics.frame_rate = 40
diff --git a/Game.exe b/Game.exe
index f8fde10a1..e20773f50 100644
Binary files a/Game.exe and b/Game.exe differ
diff --git a/mkxp.json b/mkxp.json
index 312fbee51..5d33c1bc1 100644
--- a/mkxp.json
+++ b/mkxp.json
@@ -9,6 +9,17 @@
     // -DWORKDIR_CURRENT). All other paths are resolved
     // relative to gameFolder and ignoring both RTPs and
     // encrypted archives.
+    
+    // Some influential environment variables, set them to either "1" or "0":
+    // "MKXPZ_WINDOWS_CONSOLE"
+    //     - Enables/disables the extra console window on Windows. It appears by
+    //       default whenever mkxp-z is started in debug mode.
+    // "MKXPZ_MACOS_METAL"
+    //     - Setting this to 0 will force the usage of OpenGL over Metal.
+    //       Probably not a good idea unless you have some kind of issue.
+    // "MKXPZ_FOLDER_SELECT"
+    //     - Allows the manual selection of the game's folder at startup.
+    //       Only works on macOS at the moment.
 
 
     // Specify the RGSS version to run under.
@@ -20,19 +31,6 @@
     //
     // "rgssVersion": 1,
 
-    // Render using Metal instead of OpenGL, if possible. It should
-    // be far more reliable across all kinds of Macs.
-    //
-    // Using Metal requires macOS 10.13+ and a compatible GPU.
-    // Any machine supporting 10.14+ or newer should automatically
-    // support Metal.
-    //
-    // Unless there's some kind of problem, you should really leave
-    // this on. OpenGL will cause trouble, such as blitting problems,
-    // the Steam overlay not working, and v-sync failing completely.
-
-    // "preferMetalRenderer": true,
-
 
     // Continuously print average FPS to console.
     // This setting does not affect the window title
@@ -143,7 +141,8 @@
     // Enable framebuffer blitting if the driver is
     // capable of it. Some drivers carry buggy
     // implementations of this functionality, so
-    // disabling it can be used as a workaround
+    // disabling it can be used as a workaround.
+    // Does nothing on macOS.
     // (default: enabled)
     //
     "enableBlitting": false,
diff --git a/x64-msvcrt-ruby310.dll b/x64-msvcrt-ruby310.dll
index 1be244cbd..27fd5d5c5 100644
Binary files a/x64-msvcrt-ruby310.dll and b/x64-msvcrt-ruby310.dll differ
diff --git a/zlib1.dll b/zlib1.dll
index ff86eb388..c79a30b86 100644
Binary files a/zlib1.dll and b/zlib1.dll differ