openscad/releases/2015.02.md

Language Features:

• text() module
• offset()
• List comprehensions, let()
• concat()
• surface() can now take PNG images as input
• min() and max() can now take a vector argument
• 2D minkowski and holes
• chr()

Program Features:

• Added --viewall cmd-line parameter
• MDI
• FIXME: Windows cmd-line fixes
• Qt5, retina
• SVG export
• AMF export
• Color schemes for viewer and editor can be user-edited
• Improved editor
• Splash screen
• Docking of GUI components
• Toolbars
• More robust STL export

Bugfixes/improvements:

• Internal cavity fix
• Performance: 2D (clipper), preview, hull, minkowski, surface, n-ary-union, transforms (polyset)
• Performance: Reduce duplicate evaluation of identical expressions
• STL export/import stability fixes
• F6 stability fixes
• Better recursion behavior
• Reorganized examples a bit
• improved search() behavior
• Mac: Timestamps in output fixed

Deprecations:

• polyhedron triangles

Misc: