There was a big issue with torpedoes and depth charges. While both are in the 'Anti Navy' weapon category, they are different—depth charges ignore anti-torpedo defenses. On top of that, some depth charges cannot target water-surface-level units at all. Many people didn't know this because they had no way of finding out unless they looked at the code or tested the game extensively

From now on, this issue is fixed—everything is clear, and the Exodus now has its targeting limitation shown in a tooltip