This BBC report says the Russian Black Sea fleet is reduced to little more than a coastal flotilla and the fleet is now adopting a defensive posture after heavy losses. This also makes an attack on Odessa unlikely. Odessa and other Black sea ports are where grain shipments leave Ukraine for Africa and other parts of Europe. This means shipments using Turkey and UN sponsored deal can now safely be routed from Odessa.
It also means Ukraine is in a better position in the south in and around Crimea.