Dear Maintainer, *** Reporter, please consider answering these questions, where appropriate *** * What led up to the situation? Used forefox 91.5.0esr on weston. * What exactly did you do (or not do) that was effective (or ineffective)? Installed weston and firefox using aptitude. Also set as suggested. peter@joule:/home/peter$ grep MOZ .bashrc export MOZ_ENABLE_WAYLAND=1 According to https://wiki.debian.org/Wayland#Firefox_.28supported.29 firefox runs natively on wayland. Ie. firefox doesn't require Xwayland. * What was the outcome of this action? Firefox is noticeably less responsive on weston, compared to X. Also note the messages near the bottom of the stderr output from weston, copied below. * What outcome did you expect instead? According to https://en.wikipedia.org/wiki/Wayland_(display_server_protocol) I expected firefox to be more responsive on weston, compared to X. *** End of the template - remove these template lines ***