Greasy Fork is available in English.
長いツイートを「更に表示」を押さなくてもTLで展開します。
< Opiniones de [Twitter]長いツイートをTLで展開
This script has mostly stopped being updated, so please use the script here “https://greasyfork.org/ja/scripts/478248”.
It has equal or better functionality and updates are immediate.
It also fixes the problems you reported.
もう機能しません No longer works