It appears that a Ukrainian maritime drone, similar to those using in an attack on Sevastopol, has struck Novorossiysk. This would be strategically important, showing that more of the Russian Navy is under threat. Efforts may be underway to suppress this story in Russian media.
What might be missed in the report is that Novorossiysk, unlike Savastopol, is not in occupied Ukraine. It is in Russia. According to Wikipedia, “Novorossiysk is the biggest Russian seaport. In 2019 cargo turnover amounted to 142,5m tons. In 2021 cargo turnover amounted to 105,2m tons.”
It is too early to say that this is the start of a Ukrainian campaign against Russia’s oil and gas export industry, but it would be one way to apply additional leverage. If the Ukrainians are successful in their crowd funding drive to build 100 of these explosive Uncrewed Surface Vessels, they could make it very dangerous for Russia’s tankers and coastal energy infrastructure.