This was a transitional period for Enscape. Prior to 2021, Enscape 2.9 was the standard. Version 3.0 (which includes build 40148) introduced a massive overhaul of the user interface, moving from a floating toolbar to a docking window system. Build 40148 was a hotfix or service release that polished the initial 3.0 launch, fixing bugs related to VRAM usage and material editor crashes.
Modern Enscape has a built-in batch render queue. Build 40148 does not. Instead, use the : enscape 3d 40148 2021
: Leveraging AI-powered upscaling, this allowed for higher frame rates and better resolution even on mid-range hardware. This was a transitional period for Enscape