- a building's transition corridors carry the reference's bright-doorway fade: the black tunnel between sunlit outside and a lit interior is gone
- the Options window gets its first real pages: seven 1.12 sound rows on Audio and the two 1.12 Video Options sliders on Graphics, all live CVars
- terrain culls like the real client: the ground is one-sided, so from underneath you see through it exactly as 1.12.1 does
- the beam system's data plane lands: 48 live chain, drain and funnel beams read off the real patch chain, with a byte-exact wire golden — the renderer follows
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>