Catia V5r20 Apr 2026

The Generative Shape Design (GSD) workbench received a massive upgrade. The "Edge Fillet" became smarter, allowing for "chordal" fillets that maintain constant width on complex, non-developable surfaces. For Class-A surfacing, this was a game-changer.

Disclaimer: Dassault Systèmes has ended mainstream support for V5R20. Using it in a connected environment poses security risks. Always ensure your legacy software complies with your IT security policies. Catia V5r20

For many users, V5R20 represents . It is the version that “just works.” It doesn’t crash as often as its predecessors, and it doesn't force you to upgrade your hardware like the later versions do. Key Features That Defined V5R20 While modern CATIA focuses on cloud collaboration and generative design, V5R20 focused on surface perfection and user control . Here is what made it legendary: The Generative Shape Design (GSD) workbench received a