Development history

Build log

Each internal build, in order, with what landed and what stayed broken.

These are internal development builds. None of them has been publicly released or distributed, and there are no download links for them — this page is a record of progress, not a release archive.

v0.4.0 "Wireframe" Alpha Latest internal build Jun 2, 2026

What landed

New: manual wire creation between component pins in the 3D scene
New: document organizer — attach datasheets, PDFs and notes directly to components
Improved: STL import now preserves sub-assembly hierarchy on drag-and-drop
Fixed: viewport camera jump when switching between orthographic views
Fixed: project autosave occasionally skipping the active scene

Still broken

Auto-wiring engine is not yet implemented (manual wiring only)
No PLC / robot code import-export yet

Internal build — never distributed

v0.3.0 "Foundation" Alpha Apr 18, 2026

What landed

New: 3D STL import with kinematic chain hierarchy and local reference frames
New: zone/token flow-simulation engine (early preview, no PLC write-back yet)
New: project file format (.arsyn) with versioned autosave
Improved: viewport performance on assemblies above 2,000 parts

Still broken

Wiring tools not yet available
Document organizer not yet available

Internal build — never distributed

v0.2.0 "First Light" Alpha Feb 9, 2026

What landed

New: first end-to-end build — project shell, 3D viewport, basic scene graph

Still broken

Early technical preview — expect rough edges

Internal build — never distributed