What is it? It's not explained in the post
KDE
KDE is an international technology team creating user-friendly free and open source software for desktop and portable computing. KDE’s software runs on GNU/Linux, BSD and other operating systems, including Windows.
Plasma 6 Bugs
If you encounter a bug, proceed to https://bugs.kde.org, check whether it has been reported.
If it hasn't, report it yourself.
PLEASE THINK CAREFULLY BEFORE POSTING HERE.
Developers do not look for reports on social media, so they will not see it and all it does is clutter up the feed.
Plucker was/is a format that was used to save copies of a web page for offline reading in the pre-smartphone days when people were still using palm PDAs. It's been a few decades so my recollection is a bit fuzzy.
Lol. Singlefile does this with HTML.
The fact that I never even heard of it probably speaks for its removal.