--- title: "7.40.02" canonical: "https://documentation.chaos.com/space/VMAX/939425795/7.40.02" format: markdown --- ## V-Ray 7, update 4, hotfix 1 *Official release* Date - Jun 22, 2026 > Macro (ui-button) ### **Modified features** --- **V-Ray** - Đ•xtend the object gizmos overlap avoidance in Chaos Vantage in viewport - Set V-Ray GPU as ActiveShade renderer when choosing V-Ray for the production renderer - Support for ThinkingParticles in 3ds Max 2027 - Switch Wireframe override viewport mode to Default shading mode while Chaos Vantage is running in 3ds Max's viewport **VFB** - Change the log parameters from scene oriented to user oriented - Add minimize button to the log when it is detatched from the VFB **V-Ray Toolbar** - Change the default option to Chaos Vantage in viewport from the Chaos Vantage toolbar menu ### **Bug Fixes** --- **V-Ray** - Chaos Vantage viewport ActiveShade uses locked viewport's projection instead of the active viewport - VRayMtl SSS data is written in the VRayRefraction render element when used with VRayBlendMtl - Per-viewport filters are not saved when restarting Chaos Vantage in the viewport - Distributed Rendering 2 (DR2) does not work with Backburner - Crash with Chaos Vantage in viewport when resizing 3ds Max window - Random crash with VRayProxy and Chaos Vantage in viewport - Crash on Reset after rendering VRayBitmaps with user tags with Distributed Rendering 2 (DR2) and localhost enabled **V-Ray Toolbar** - Button state in Chaos Vantage toolbar is not updated on Chaos Vantage viewport start/stop from the viewport ActiveShade option **V-Ray Toolbar** - Show Histogram doesn't trigger immediate persistent settings save