I *think* this is related. Can anybody confirm? Here a screencast https://cloud.thecrowned.org/index.php/s/Dyxrnxj5oe46KRH makes it virtually impossible to scroll again, unless I resize the window.
Geany 1.32, en_US.UTF-8 GTK 3.22.30, GLib 2.56.4 nity:Unity7:ubuntu Ubuntu 18.04