We recently updated the full-screen write methods for E Ink 32″ and 42″ monochrome panels using the EPM-100v2 driver board to add a wipe transition, as shown in the video below:
The wipe transition method will also be enabled for other driver boards and panel sizes.
For more details of the EPM-100v2, see https://www.digitalview.com/controllers/epm-100v2-driver.html