Based on the version string you provided ( 20170425.r.252 ), this refers to a specific update within the lifecycle. The "Pl" at the end typically indicates the Polish language version of the installer or application, though the software features remain consistent across localizations.
: This panel became more dynamic, displaying relevant information based on the selected layer. For instance, selecting a type layer would instantly show character and paragraph settings. Adobe Photoshop CC 2017.1.1 -20170425.r.252- Pl...