Adopted Array(capacity:) for the read wrappers throughout the library to adapt to Swift 6.4.

Sources/PlaydateKit/File/Classes/Handle.swift

@@ -41,13 +41,15 @@ extension File {
 
         /// Reads up to `length` bytes and returns them.
         public func read(length: Int) throws(PlaydateError) -> [UInt8] {
-            var bytes = [UInt8](repeating: 0, count: length)
-            let result = bytes.withUnsafeMutableBytes { buffer in
-                fileAPI.pointee.read.unsafelyUnwrapped(pointer, buffer.baseAddress, UInt32(buffer.count))
+            try [UInt8](capacity: length) { output throws(PlaydateError) in
+                let result = output.withUnsafeMutableBufferPointer { buffer, initializedCount in
+                    let result = fileAPI.pointee.read.unsafelyUnwrapped(
+                        pointer, buffer.baseAddress, UInt32(buffer.count))
+                    initializedCount = max(Int(result), 0)
+                    return result
+                }
+                if result < 0 { throw lastFileError() }
             }
-            if result < 0 { throw lastFileError() }
-            bytes.removeLast(length - Int(result))
-            return bytes
         }
 
         /// Writes the bytes to the file. Returns the number of bytes written.