For flatpak 22.08 (at-spi 2.44.1), our scripts used `xdg-dbus-proxy` to map the host at-spi socket to a flatpak unix socket, exposing it through `AT_SPI_BUS_ADDRESS https://bugs.webkit.org/show_bug.cgi?id=238856 23.08 bumped it to 2.48.0 AT-SPI 2.45.1 (https://gitlab.gnome.org/GNOME/at-spi2-core/-/blob/main/NEWS#L146) added a change to the way AT-SPI parses the sockets, dropping the `unix:path=` prefix: https://gitlab.gnome.org/GNOME/at-spi2-core/-/merge_requests/86/diffs#ebafb0020c2050364c61364b1b025d32b0907315_952_953 This seems to be the cause of some failures on the bots, including the EWS one. Tentative patch incoming.
Pull request: https://github.com/WebKit/WebKit/pull/21003