Please note that BuddyPress 7.0.0 will require WordPress >= 4.9.
To learn more about this change: https://buddypress.trac.wordpress.org/ticket/8318
To learn more about how we decide to bump our WordPress required version: https://codex.buddypress.org/getting-started/wordpress-version-compatibility/
In accordance with our WP compatibility policy, BuddyPress 2.8 will require WordPress 4.3. See https://buddypress.trac.wordpress.org/ticket/7350.
In accordance with our WP compatibility guidelines, we’ll be dropping official support for WP 3.8 in BuddyPress 2.5. For more details, see #6805.