The kde-www mailing list via KDE.org, thread "No X under social media.", reply by Paul Brown on Tue Oct 28 10:22:52 GMT 2025: https://mail.kde.org/pipermail/kde-www/2025-October/009275.html

TLDR: KDE quit Twitter & refuse to go back because it became a brand "X" nazi bar & huge liability to KDE's community.