The documents provided do not specify a particular software version that is being discussed as the principal version. Although there are references to specific bugs (CSCvq05985 and CSCvm86310) and potential workarounds, including upgrading to a 'fixed release', no specific software version from the given list is identified as the main subject.
The documents discuss issues related to Cisco DNA Center, specifically with SDA FE and device-tracking pointing to the wrong MAC address and Tunnel Interface, but do not identify a principal software version from the provided list.