Caused by a bug in libvips-8.13.2 that was fixed in libvips issue 3027. See libvips issue 3129 for details. The fix is to build libvips from master until 8.13.3 is released.
Config
This directory contains configuration files for Danbooru.
To configure your Danbooru instance, copy danbooru_default_config.rb to danbooru_local_config.rb and edit it. See danbooru_default_config.rb for details.
The only file here that end users need to be concerned about is danbooru_default_config.rb. The rest of the files here are internal Rails-related configuration files that end users shouldn't need to edit.