Generally, CBUs are banned.

Nowadays, there are new warheads that are 'kind of like CBUs'. Generally, these are following patterns developed by, for example, South…

Generally, CBUs are banned. That said, there are countries that have never ratified the ban: Russia, Saudi Arabia, Syria, North Korea etc., for example.

Nowadays, there are new warheads that are 'kind of like CBUs'. Generally, these are following patterns developed by, for example, South Africans of the 1980s: pre-fragmented warheads, or warheads filled with steel balls and similar stuff.