What's new in at-spi2-core 2.53.0: Add missing prototypes for functions to check the presence of interfaces. * Replace disable_p2p with an ATSPI_DISABLE_P2P environment variable. * Drop use of deprecated eaves-dropping option in dbus configuration atk-adaptor: Limit amount of children to return for GetChildren * Notify about HelpText attribute change. * Fix possible double unref in add_accessible_from_iter.