Fire the ‘bp_allowed_themes’ filter.

Fires inside the ‘bp_add_permastructs’ function, where BP adds its BP-specific permalink structure.

Fire the ‘bp_init_background_updater’ action, where BP updates data.

Fire the ‘bp_add_permastructs’ action, where BP adds its BP-specific permalink structure.

Fires inside the ‘bp_head’ function, which runs on ‘wp_head’.

Fire the ‘bp_template_redirect’ action.

Fires inside the ‘bp_template_redirect’ function.

Fire the ‘bp_register_theme_packages’ action.

Fires inside the ‘bp_register_theme_packages’ function.

Fire the ‘bp_enqueue_scripts’ action, where BP enqueues its CSS and JS.