I would say there is likely a NAN in your original image (a "not a number" result). Using the latest daily build from Feb 20th should resolve that, as this was an issue that was reported earlier and we have already fixed (at least, as far as we know). Basically, if there is a NAN (which will show as a black pixel) anywhere in the image, bloom and glare can make the whole image turn black - but only if there is a NAN in there.
Since there are no other major changes in the latest dailies, you should be safe to move to using that without disrupting your ongoing projects. As a note, daily builds will be where the latest fixes appear.