SUMMARY compile error hspell plugin does not link because it doesn't link to the libz library I had to add this patch to get it to compile https://invent.kde.org/neon/kde/sonnet/-/blob/Neon/unstable/debian/patches/libz.diff it started failing on May 3 https://build.neon.kde.org/view/3%20unstable%20%E2%98%A3%20git%20master/job/focal_unstable_kde_sonnet/
Was fixed long ago
https://invent.kde.org/frameworks/sonnet/-/merge_requests/22