Libinput 1.32 adds circular scrolling support for circular touchpads, with the Panasonic CF-SV1 laptop as the primary use case. The release also introduces automatic drag lock at touchpad edges, customizable eraser button mapping for tablets, and integrates systemd 260+ udev features for device classification.
US patent 7415666B2 describes a method and system for navigating paginated content using page-based increments, allowing users to scroll through documents by exact page heights regardless of zoom level. The invention addresses the problem where Page Up/Down keys produce inconsistent results when zoom settings don't display full pages, ensuring the next page set displays from the same vertical position as the previous one.