MeshLab by Dynart v2026.02.1

MeshLab by Dynart v2026.02.1

Features

Lasso Cut Tool (edit_cut)

• Draw a closed polyline to cut through mesh triangles and select the inside region
• Q = cut and select, W = subtract, Delete = delete selected faces
• Selection keys: D = deselect, A = select all, I = invert
• Own Dynart Tools toolbar section

Global Undo/Redo (Ctrl+Z / Ctrl+Y)

• Full undo/redo stack covering all filters and edit tools
• Up to 50 undo levels
• CDC (Content-Defined Chunking) deduplication — only changed mesh regions are stored, reducing memory usage by ~80-90% compared to full mesh copies

Optional Inverted CTRL Selection

• Opt-in setting (default OFF): drag adds to selection, CTRL+drag replaces
• Configurable via global parameter in MeshLab settings

Global Parameter System for Edit Plugins

• Edit plugins can now register persistent settings saved across sessions

Reload Confirmation Dialogs

• Confirmation prompts before Reload / Reload All to prevent accidental data loss

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Memory Usage (CDC Undo)

	Full mesh copy (old)	CDC dedup (new)
10 undo levels (1M vert)	~920 MB	~93 MB
50 undo levels (1M vert)	N/A	~130 MB