Issue #1963982 by lauriii, joelpittet: Convert theme_views_ui_rearrange_filter_form() to Twig.
Issue #2031301 by andypost, Cottser, xjm, mark.labrecque, mariacha1, joelpittet, robynlgreen, danquah, trogels, Eric_A, thedavidmeister, jenlampton: Replace theme_more_link() and replace with #type 'more_link'.