That's what the help messages say.
Previously it would only set '--skip-download', which would write thumbnail,
descriptions or subtitles if they were requested (for example you may have set
'--write-thumbnail' in the config file).
'forceformat': opts.getformat,
'forcejson': opts.dumpjson,
'dump_single_json': opts.dump_single_json,
- 'simulate': opts.simulate,
- 'skip_download': (opts.skip_download or opts.simulate or any_printing),
+ 'simulate': opts.simulate or any_printing,
+ 'skip_download': opts.skip_download,
'format': opts.format,
'format_limit': opts.format_limit,
'listformats': opts.listformats,