anthonyfieroni added a comment.
https://phabricator.kde.org/source/kio-extras/browse/master/thumbnail/CMakeLists.txt$10 It should be specified the version that contains appimage_read_file_into_buffer_following_symlinks REPOSITORY R320 KIO Extras REVISION DETAIL https://phabricator.kde.org/D15417 To: broulik, #frameworks, TheAssassin, anthonyfieroni