1- may be able to remove -DPUGL_HAVE_CAIRO from Makefile.am
2
3later:
4 - popup menu
5 - knob
6 - font (?)
7
8later(windows):
9 - 32bit compile crashes in apply window sse code - why?
10 - is reentrant Window::on_event a problem? (Ardour6 zoom on windows)
11 - led sometimes remains on
12