Has Russia given up on Kinburn Spit, its westernmost foothold in Ukraine?

At the start of the war in Ukraine, the Russian capture of Kinburn Spit – a narrow piece of land that holds the key to several Ukrainian ports – was hailed as one of Moscow’s most significant victories on the southern front. From there, Russia could launch attacks on the Ukrainian mainland, and use it as a springboard should it make an attempt to take Odesa. Now, Russian forces appear to have pulled back from the once so-strategic spit. What is going on?