diff --git a/bindings/bindings.nim b/bindings/bindings.nim
index 1563309b..68537e0b 100644
--- a/bindings/bindings.nim
+++ b/bindings/bindings.nim
@@ -306,6 +306,7 @@ exportProcs:
   scale(float32, float32)
   inverse(Matrix3)
   snapToPixels
+  mix(Color, Color, float32)
 
 writeFiles("bindings/generated", "Pixie")
 
diff --git a/src/pixie/blends.nim b/src/pixie/blends.nim
index 26804efa..519a82bc 100644
--- a/src/pixie/blends.nim
+++ b/src/pixie/blends.nim
@@ -1,6 +1,6 @@
 ## Blending modes.
 
-import chroma, common, std/math
+import chroma, common
 
 # See https://www.w3.org/TR/compositing-1/
 # See https://www.khronos.org/registry/OpenGL/extensions/KHR/KHR_blend_equation_advanced.txt
diff --git a/src/pixie/fileformats/gif.nim b/src/pixie/fileformats/gif.nim
index 88d0d2ec..13497587 100644
--- a/src/pixie/fileformats/gif.nim
+++ b/src/pixie/fileformats/gif.nim
@@ -105,6 +105,9 @@ proc decodeGif*(data: string): Gif {.raises: [PixieError].} =
 
       pos += 9
 
+      if imageWidth > screenWidth or imageHeight > screenHeight:
+        raise newException(PixieError, "Invalid GIF frame dimensions")
+
       if pos + localColorTableSize * 3 > data.len:
         failInvalid()
 
diff --git a/src/pixie/paths.nim b/src/pixie/paths.nim
index bf7908c6..2e160053 100644
--- a/src/pixie/paths.nim
+++ b/src/pixie/paths.nim
@@ -270,7 +270,6 @@ proc transform*(path: Path, mat: Mat3) {.raises: [].} =
     path.commands[0] = Move.float32
 
   var i: int
-  # for command in path.commands.mitems:
   while i < path.commands.len:
     let kind = path.commands[i].PathCommandKind
     inc i