On the newest version it has been impossible to generate accurate subtitles on kdenlive through VOSK, english or spanish. Everything else is ok.
This is probably a duplicate of https://bugs.kde.org/show_bug.cgi?id=503985 which was fixed in v25.08. Please try if the new release fixes it, otherwise feel free to re-open this ticket :) *** This bug has been marked as a duplicate of bug 503985 ***