For images, we use as our seed file a cartoon of Liu Xiaobo that was found to be censored on WeChat in previous work. To create a novel, still-sensitive copy of it, we append 24 KiB of random bytes to it. Since the seed file we used was a JPEG-encoded image, all data past the JPEG end-of-file marker is ignored when rendering the image; however, the appended data still causes the file to hash to a different value.
The basics of window resizing behavior should be impossible to mess up — AppKit should be handling this. If it’s messed up, then something in the app is fighting the frameworks. That’s a bad sign for the quality of the rest of the app.
We’ve decided it’s our obligation to resist the normalization of employee surveillance software. It is not right, it is not human, and unless we speak up now, we might well contribute to this cancer of mistrust and control spreading even after the COVID-19 crisis is behind us. That is not something we in good conscience could let happen.