rvest 1.0.0 renamed a number of functions to ensure that every function has a common prefix, matching tidyverse conventions that emerged since rvest was first created.
set_values()->html_form_set()submit_form()->session_submit()xml_tag()->html_name()xml_node()&html_node()->html_element()xml_nodes()&html_nodes()->html_elements()
(html_node() and html_nodes() are only superseded because they're
so widely used.)
Additionally all session related functions gained a common prefix:
html_session()->session()forward()->session_forward()back()->session_back()jump_to()->session_jump_to()follow_link()->session_follow_link()
