I have a very customized matplotlibrc for rendering charts
> for web pages. The biggest change is that I render
> everything white on black by default. This has worked fine
> up through 0.87.5 (the last release I grabbed) but in
> 0.87.7, the ticks on the axes are black (the axes color is
> white). Am I missing a setting somewhere or is this a bug?
This looks like it may be a bug introduced by some recent changes
Norbert made to the rc handling, but hard to say.
Make sure matplotlib is picking up the rc file you think it is by
running with --verbose-helpful and if so, send that file along and
we'll take a look.