The v1.6 update, released in late 2022, focused heavily on technical infrastructure, performance, and multiplayer stability.
: Performance for rebuilding stations was optimized to prevent frame drops during large-scale network edits. New Tools : NIMBY.Rails.v1.6.Early.Access.zip
If you are looking for information regarding the of the game, Overview of NIMBY Rails v1.6 The v1
: This version saw the groundwork for supporting Direct3D12 and Vulkan renderers and the implementation of texture compression to save VRAM. Legitimate Access The v1.6 update