https://support.microsoft.com/en-us/topic/updates-for-skype-for-business-server-subscription-edition-se-kb5065372-45f6768c-d60e-4ac3-b60e-0f850b9911cd
Updates for Skype for Business Server Subscription Edition (SE) (KB5065372) - Microsoft Support
Lists the available updates for Skype for Business Server Subscription Edition.
skype businessserver subscriptionupdates