Shadowfix.lua -

Flight simmers often describe it as a "must-have" for immersion, especially in VR where jagged lines are much more noticeable.

: Unlike heavy graphics mods, this is a lightweight Lua script that provides a significant visual boost without taxing your GPU.

: It requires the FlyWithLua plugin. You simply drop the .lua file into your Scripts folder and restart the sim. User Perspectives

“Very cool lua! I am using vulkan beta 11, and I had a lot of jagged shadows, this fixed most of the shadow problems with barely any fps impact.” X-Plane.Org Forum · 5 years ago “Works well, improves the shadows considerably.” X-Plane.Org Forum · 8 years ago Alternatives & Evolutions

While the original ShadowFix is a classic, newer tools have built upon its logic:

: For those on X-Plane 12, developers like OGMFLY have integrated similar shadow fixes directly into comprehensive visual enhancer packs. Note : There is also a makeup product called Shadow Fix Go to product viewer dialog for this item.

The script is a favorite for those who want a "set it and forget it" visual upgrade. It’s particularly effective in using the Vulkan engine, where shadow artifacts can be especially distracting.