diff --git a/core/todo.txt b/core/todo.txt
index da2460b5d..1dea24b45 100644
--- a/core/todo.txt
+++ b/core/todo.txt
@@ -25,6 +25,10 @@ _   setting up deps for it with projects that don't use it is a headache
 _ put opengl libs for core into platform-specific subfolders?
 _   may also be useful for Windows antivirus slowdowns
 _   https://github.com/processing/processing/issues/4783#issuecomment-269328168
+_ would really be nice to pull out the OpenGL stuff
+_   though would require just a single PShader class in .opengl package
+_   way too messy, just need to stick with our base platforms
+_   also move the libs to their own folders? (instead of unpacking from jar)
 
 _ setting surface size needs to happen outside draw()
 _   surface.setSize() sadness etc
diff --git a/todo.txt b/todo.txt
index eaf6876fb..1f2b59420 100755
--- a/todo.txt
+++ b/todo.txt
@@ -17,6 +17,8 @@ X bump ant from 1.10.10 to 1.10.12
 X bump JNA from 5.8.0 to 5.10.0
 X remove "Illegal reflective access" warning on Linux
 X   https://github.com/processing/processing4/issues/207
+X "Could not delete disable_hidpi" message on macOS/Linux after closing prefs
+
 
 contribs
 X select entire line when doing Edit > Copy on an empty selection
@@ -88,6 +90,8 @@ _ refresh option for sketchbook (bottom of window)
 
 _ Implement support for Java “modules” and clean up JavaFX-specific workarounds
 _   https://github.com/processing/processing4/issues/212
+_   modules and classpath ugh https://stackoverflow.com/a/46289257
+
 
 _ document pdez and pdex files so that folks can use them
 _ load examples from pdez files