Earlier quoted context omitted.
What poweruser tools are you missing in newsboat?
Not the OP but my biggest missing features would be: - the ability to send the output of one smart query into the input of another - not needing to escape every quotation mark in a query, and maybe the ability to combine operands eg ( title =~ {linux,macos} as opposed to title =~ \"linux\" or title =~ \"macOS\") - a dashboard mode that can show a snippet of the top headlines and maybe autoscroll - ability to mark an…
Originally that would have been mutt, later my own client, and later still I switched to gsuite.
I did add support for excluding entries/posts based on title, body, regular expression, and similar, but at the end of the day I just fetch all feed entries and save them as emails. The later processing can be done by any client and that's pretty flexible. There's very little custom processing required in the RSS-processing itself.