OpenGL tutorial - The window pops up, but I am not seeing anything

[joaquinsaavedra]

If it helps, here we had also rendering problems when updating to macOS 13.4

reduceClipRegion and fillRectList results in broken drawing on macOS

The previous fix was merged to develop here: Unfortunately, this change had some unintended consequences - on an M1 machine running macOS 13.4, the borders of dialog windows in the Projucer were not always rendered correctly. That new issue seems to be fixed by this change: