Here’s what it likely means:
. This particular version was a milestone in the V5 lifecycle before the transition to the V5-6 release cycle. Core Version Breakdown P2 (Platform 2):
It looks like you’re dealing with a (64-bit) package — likely a cracked or licensed release from a group named “wanlyo” (often associated with engineering software distributions).
The specific version and release number. Many engineering firms remained on R21 for years due to its stability and compatibility with existing supplier ecosystems. GA (General Availability):
