OrcaSlicer/CHANGELOG_v0.9.4.md

Snapmaker Orca Full Spectrum v0.9.4

Mixed-filament workflow expansion, Local-Z ordering fixes, and release hardening. Based on Snapmaker Orca v2.2.4.

Highlights

Multi-Perimeter Mixed Filament Support

• Added support for multi-perimeter patterns so mixed-filament layouts can preserve more complex perimeter assignments.
• Extended the mixed-filament planning path to carry those patterns through slicing and G-code generation.

Object Color Mapping And Filament Assignment

• Improved object-color matching with a more predictable Keep color path when new colors are appended.
• Simplified appended-color handling so imported object colors map to the intended filament entries more reliably.
• Increased the color picker capacity beyond 16 colors for larger multi-color projects.

Mixed Filament Workflow Improvements

• Improved mixed-filament UI performance in the object-color workflow.
• Added mixed-filament reordering support so custom entries can be reorganized without recreating them.
• Updated project/config handling so reordered entries stay consistent across the slicing pipeline.

Local-Z And Tool Ordering

• Added Local-Z wipe tower reserve planning and pass ordering updates to keep tool sequencing aligned with Local-Z execution.
• Introduced LocalZOrderOptimizer coverage and integration points to improve pass ordering determinism.

Stability And Build Reliability

• Added GUI startup profiling hooks to help diagnose initialization cost.
• Hardened Bonjour socket cleanup by dropping unusable sockets more aggressively.
• Added /FS to MSVC parallel compile options to reduce Windows build contention.

Tests

• Added test_local_z_order_optimizer.cpp.
• Expanded mixed-filament regression coverage in test_mixed_filament.cpp.
• Added triangle selector coverage in test_triangle_selector.cpp.

Important Notes

• Experimental release with limited printer validation.
• macOS builds from this fork are unsigned and not notarized.
• Use at your own risk.