If you are using this specific version, you still have access to the powerful tools that define the Nik legacy: NIK collection incorporated into PhotoLab - DxO Forum
: The update addressed critical launch issues where the Nik Selective Tool might fail to appear or crash when opening specific plugins like Silver Efex Pro or Viveza . nik-collection-by-dxo-5-2-1-0-patch
While the current state of the art is , the v5.2.1.0 patch was a critical stability update for the Nik Collection 5 suite. It primarily focused on ensuring the software remained a reliable "workhorse" for photographers using the latest versions of Adobe Photoshop and macOS/Windows at that time. Core Feature Focus: Stability & Integration If you are using this specific version, you