diff --git a/dscanner.ini b/dscanner.ini
index ccdefb8..1463aac 100644
--- a/dscanner.ini
+++ b/dscanner.ini
@@ -94,3 +94,5 @@ unused_result="disabled"
 cyclomatic_complexity="disabled"
 ; Maximum cyclomatic complexity after which to issue warnings
 max_cyclomatic_complexity="15"
+[analysis.config.ModuleFilters]
+undocumented_declaration_check = "-shapes"
diff --git a/dub.json b/dub.json
index b64c6a0..c411fdf 100644
--- a/dub.json
+++ b/dub.json
@@ -6,11 +6,11 @@
 	],
   "license": "MIT",
 	"copyright": "Copyright © 2022, Chance Snow",
-  "targetType": "sourceLibrary",
-  "systemDependencies": "Playdate SDK >= 1.12.1",
   "subPackages": [
     "./examples/shapes"
   ],
+  "systemDependencies": "Playdate SDK >= 1.12.1",
+  "targetType": "sourceLibrary",
   "configurations": [
     {
       "name": "library",
diff --git a/examples/shapes/source/app.d b/examples/shapes/source/app.d
index c8c2a6c..cd1431e 100644
--- a/examples/shapes/source/app.d
+++ b/examples/shapes/source/app.d
@@ -17,6 +17,8 @@ mixin EventHandlerShim;
 @nogc nothrow:
 
 int eventHandler(PlaydateAPI* playdate, PDSystemEvent event, uint arg) {
+  assert(arg >= 0);
+
 	final switch (event) {
 		case PDSystemEvent.init:
 			pd = playdate;
diff --git a/source/playdate/allocator.d b/source/playdate/allocator.d
index e7bfef3..06c28ff 100644
--- a/source/playdate/allocator.d
+++ b/source/playdate/allocator.d
@@ -10,18 +10,18 @@ import playdate : PlaydateAPI;
 ///
 static PlaydateAPI* pd;
 
-shared static this() {
-  import std.experimental.allocator: allocatorObject, theAllocator;
-  theAllocator = allocatorObject(PDAllocator.instance);
-}
+/// The global instance of this allocator
+static PDAllocator theAllocator;
 
 /// Playdate heap allocator.
 /// Remarks: Adapted from <a href="https://github.com/dlang/phobos/blob/17b1a11afd74f9f8a69af93d77d4548a557e1b89/std/experimental/allocator/mallocator.d">std.experimental.allocator.mallocator</a>
 struct PDAllocator {
-  import std.experimental.allocator.common: platformAlignment;
+  import std.algorithm : max;
 
   /// The alignment is a static constant equal to `platformAlignment`, which ensures proper alignment for any D data type.
-  enum uint alignment = platformAlignment;
+  ///
+  /// The alignment that is guaranteed to accommodate any D object allocation on the current platform.
+  enum uint alignment = max(double.alignof, real.alignof);
 
   @nogc nothrow:
 
@@ -54,7 +54,4 @@ struct PDAllocator {
     b = p[0 .. s];
     return true;
   }
-
-  /// Returns: The global instance of this allocator type.
-  static PDAllocator instance;
 }
diff --git a/source/playdate/package.d b/source/playdate/package.d
index 1cd79f7..ddfb901 100644
--- a/source/playdate/package.d
+++ b/source/playdate/package.d
@@ -620,9 +620,7 @@ struct Graphics {
 }
 
 ///
-int drawText(
-  Graphics* gfx, string text, int x, int y, PDStringEncoding encoding = PDStringEncoding.asciiEncoding
-) {
+int drawText(Graphics* gfx, string text, int x, int y, PDStringEncoding encoding = PDStringEncoding.utf8Encoding) {
   return gfx.drawText(text.ptr, text.length, encoding, x, y);
 }
 
@@ -631,7 +629,7 @@ version (unittest) {
   extern (C) int drawTextTest(const void* text, size_t len, PDStringEncoding encoding, int x, int y) {
     assert(text == txt.ptr);
     assert(len == txt.length);
-    assert(encoding == PDStringEncoding.asciiEncoding);
+    assert(encoding == PDStringEncoding.utf8Encoding);
     assert(x >= 0);
     assert(y >= 0);
     return 0;