Coasters: Immersion 1.0.0 — Stable

Client-side only. Install it on your own game; no server needed.

Camera & Neck

• Fixed the camera lagging behind in valleys and loops at high FPS.

• New neck model with two springs:

  • It pitches forward when braking.
  • It leans back on lift hills and launches.
  • It sinks under high G with a small rebound.

• New Head Weight and Neck Inertia options.

• Telemetry rewritten: it no longer measures its own camera offset, and forces are measured along the real travel direction.

Other Vehicles

• Everything is coaster-only by default: no more cart sounds or hand animations on planes or helicopters.
• New Vehicles page: enable camera, FOV, speed effects, audio, and rider animation per group for any vehicle.

Effects

• Depth-aware motion blur:

  • Close things (the rail, passing lamps) stretch more.
  • Distant scenery stays sharp.
  • Bright lights leave streaks.

• Falls back to the classic radial blur if the shader can't load, or with shader packs.

Settings Menu

• New menu with two side cards that leave the centre of the screen free.

• The world keeps running behind it during the test ride and while riding.

• Per-page colours, pixel-art icons, floating sparkles, and an animated mini coaster.

• Separate centred layout on the title screen, with an ease-in-out slide in and out.

• Fewer, better-grouped options:

  • Camera (View, Neck, Forces)
  • Effects
  • Passenger
  • Audio
  • Vehicles
  • Performance
  • Advanced

• Settings and the Custom preset now persist between sessions.

Performance & Compatibility

• No per-frame allocations in the camera, telemetry, or menu paths; the mod accounts for about 0.1% of render-thread allocations.
• Sub-level render distance is unlimited by default.
• Fixed ~200 ms freezes caused by Create: Coasters Simulated. Its per-curve caches never hit and flooded the reference queue under a lock; they are now replaced by bounded, value-keyed caches (only applies if that mod is present).
• Concentus (Opus) is bundled as plain classes, so it no longer breaks Sodium + Connector.

Diagnostics

• The F8 recording now includes GC, heap, allocation per frame, and camera step.
• It also has a stall watchdog that logs what the render and server threads were doing during any freeze.