While v3.4.2 was a minor update, it is part of the "v3.4" family which introduced several workflow improvements for graphic designers:
Added the ability for teams to share and collaborate on assets via Creative Cloud Team Libraries. Core Capabilities of Adobe Dimension Adobe Dimension v3.4.2
Easily visualize branding, packaging, and logo designs by dragging 2D graphics onto 3D models. While v3
Seamlessly works with assets from Adobe Stock and links directly to Adobe Photoshop and Adobe Illustrator for texture editing. System Requirements System Requirements Users can export 3D model UVs
Users can export 3D model UVs as PSD files, allowing for more precise graphic design in Photoshop or Illustrator.
Uses the Adobe Mercury Rendering Engine to provide high-quality previews in real-time before the final ray-traced render.
Adobe Dimension v3.4.2, released in May 2021, is a maintenance update for Adobe’s 3D staging and rendering software. This specific version primarily focused on and stability rather than introducing new creative features. Overview of Version 3.4.2