@movq@www.uninformativ.de Thanks. I noticed the <updated> of the feed, too. But for some reason, some articles were suddenly marked as new.

On some YouTube feed <entry>s, I noticed updated <updated> fields showing today’s timestamps. But unless there is no <published>, the <updated> is not even considered. I verified that in the source code. Yet, all the affected articles in Newsboat show today’s timestamp, not the years old publication timestamp. I generate the YouTube feeds from the original feeds myself once a day, so I doubt that this is cause by some YouTube shenanigans.

Very weird, it doesn’t make any sense at all. What is going on here? O_o It doesn’t appear that I have duplicates in the database either.

On further examination, all the articles have the same timestamps. Whenever the feed was fetched. :-O

Aha, yesterday’s newly added support for LC_TIME to render localized timestamps also broke the feed parsing with my LANG=de_DE.UTF-8 and LC_CTYPE=de_DE.UTF-8 environment. :-)

Atom feeds make use of RFC 3339 timestamps. They are first converted into RFC 882 timestamp representation, which is the one that RSS feeds use. However, this conversion now results in localized RFC 882 timestamps, which cannot be parsed into Unix timestamp numbers via curl_getdate(…). I bet that it doesn’t know about the localization at all and expects English month and weekday names. Looking at its docs, I reckon that function was selected because of its myriad of supported timestamp formats: https://curl.se/libcurl/c/curl_getdate.html RFC 3339 is not included, though, hence the transformation up front.

The intermediate Item objects in the parser domain use std::string for the timestamp representation. This isn’t all that silly, because Newsboat supports all sorts of different feed formats with different timestamp formats. These RFC 883 timestamps are centrally parsed into time_t.

Speaking of time: It’s time to go to bed after this late bug hunting fun. :-)

This is also why @bender@twtxt.net’s Notes feed was unaffected. It’s an RSS feed.