Development has halted until I have more time. Pixiv uses async page loading, which broke some aspects of this script. Ultimate Pixiv Script: Direct Links, Auto-Paging, Preview, IQDB/Danbooru, Filter/Sort using Bookmark,views,rating,total score. | Safe Search | plus more. Works best with "Pixiv++ Manga Viewer" and "Generic Image Viewer". 自動ページング|ポケベル|ロード次ページ|フィルター|並べ替え|注文|ダイレクトリンク
No promises but I might look into it when I have more time. Currently Version 4 has been on hold for a long time, with LA4 also.
Kinetic scrolling for album preview on hover
yeah, I'm that lazy Reference implementation: https://ariya.io/2013/11/javascript-kinetic-scrolling-part-2 Me myself used it here: Gelbooru Image Viewer