They took a beating and are ready to leave.
“Yevgeny Prigozhin says Wagner is beginning to pull out of Bakhmut after leading the Russian effort to destroy and seize the city. The mercenary group will complete its withdrawal on June 1, and hand over positions to Russia’s regular military, he says.”
https://twitter.com/ChristopherJM/status/1661634853605965824
“Russian “Veteran’s Notes” channel describes a problem preventing Russians from using counter-battery fire near borders - there’s too much Russian EW which suppresses Russian drones (mavics) preventing artillery adjusting. Meanwhile, Ukrainians are switching to other frequencies en masse to bypass Russian EW.”
https://twitter.com/wartranslated/status/1661508713981571073