One of CATIA's most powerful features. It allows users to embed "intelligence" into their designs using rules, formulas, and checks. This ensures that if a design parameter is changed, the entire model updates automatically while adhering to pre-defined engineering constraints. Integration with MBSE and Modern Workflows

Decades of aircraft and car designs exist in V5 formats. Maintaining them in their native environment is often safer than a mass migration.

CATIA V5-6R2023 isn't just one program; it's a massive suite of "workbenches" tailored to specific engineering tasks. According to documentation from Pulsar UBA , the release provides refined tools across these core areas:

While Dassault Systèmes encourages the move to the 3DEXPERIENCE Platform , many industry giants remain on V5-6 for several reasons:

The bread and butter of the software. It includes Part Design, Assembly Design, and Drafting. The R2023 update brings subtle performance improvements to large assembly handling, reducing lag when working on complex machines with thousands of components.