• OpenSCAD Compatibility — Added support for opening, creating, editing and importing OpenSCAD CSG files. • SVG Import — Added support for importing SVG files as ShapeScript paths or path groups. • Paths — Added hull, minkowski and boolean CSG operations for coplanar paths. • Builders — Added support for lathe along a path. • Paths — Added path length, point orientation, distance-based sampling and resampling, and a length option for path blocks. • Syntax — Added top-level script options that can be overridden when importing a script. • Rendering — Added preview symbol for using different geometry and detail settings when viewing and exporting. • Selection — Added hide command and group selection, with highlighting for all selected children. • Import — Added named geometry selection using #name fragments and lookup by name using dot or string subscript syntax. • Paths — Added name support to paths and path primitives, including text. • Materials — Added CSS named colors and improved color and texture overrides for imported models. • Text — Added letterspacing option for text blocks. • Syntax — Added single-line if statements without braces. • Debugging — Missing fonts and textures now produce warnings instead of fatal errors. • Performance — Added persistent geometry cache and improved minkowski and union performance. • Progress — Added progress indicators for script evaluation, geometry generation and export. • Camera — Flat models now automatically use the top camera view. • Export — Fixed lathe orientation, polyhedron face winding and transform precision in CSG exports. • Bug fix — Fixed inset shifting positioned objects and incorrectly offsetting rotated or reflected cones. • Bug fix — Improved mesh repair, path material preservation and shading on hulls of curved profiles. • Bug fix — Fixed stale error messages, improved error highlighting and reduced console flicker when reloading files. • Examples — Added a Tank example demonstrating path hulls, extrusion and stepped path enumeration. • Compatibility — Added support for iPhone Duo. • Compatibility — Now requires iOS 15 or later.

• Rendering — Added partial minkowski previews and improved cancellation responsiveness. • SVG Import — Removed redundant points from imported straight paths. • Bug fix — Fixed type validation for if, for and switch expressions. • Bug fix — Fixed hull materials and textures being lost, and improved reliability. • Bug fix — Fixed clipping when combining multiple meshes. • Bug fix — Improved repair of complex meshes and fixed artifacts in complex path fills and extrusions.

• Source Editor — Fixed source ranges for if, for and switch expressions. • iPad — Fixed source editor bottom inset behavior. • Rendering — Improved wireframe toggle responsiveness. • Performance — Improved cancellation responsiveness for geometry generation and imported models. • Export — Exporting a scene that is empty after focus/debug filtering now reports the problem earlier. • Import — Improved SVG path import compatibility. • Meshes — Improved mesh detessellation, inset and repair behavior.

• Rendering — Improved partial rendering feedback while geometry is still being generated. • Performance — Improved geometry cache reuse when only material properties change. • Performance — Improved triangulation, detessellation and path geometry check performance. • Bug fix — Fixed viewer interaction lockup after switching tabs. • Bug fix — Fixed extrusion of closed paths containing repeated tail points.

• Source Editor — Added title menu actions for moving, duplicating, renaming and sharing files. • Source Editor — Added title menu actions for line numbers, line wrapping and find/replace. • Source Editor — Added manual save support for network documents. • iPad — Source Editor now opens in a separate window when using multi-window mode. • Files — Improved handling of moved or renamed files and file names containing / or :. • Performance — Improved responsiveness when previewing and updating complex models. • Selection — Fixed UI lockups when building selection menus for complex scenes.

• Syntax — Added support for composing and scaling rotations with the * operator. • Functions — Added rotation constructor function for defining reusable rotation values. • Export — The export cancellation dialog no longer flashes up briefly for every export. • Help — Added offline help viewer with search function.

• Export — Fixed app freezing when exporting complex scenes. • Export — Image export now preserves the aspect ratio when overriding only width or height. • Bug fix — Fixed rotation command regression introduced in version 1.6.0. • Help — Added direct access to online documentation from source editor.

• Syntax — Added inset function for paths and meshes. • Primitives — Added icosphere geometry type. • Paths — Added miterLimit property and support for root-level miter limits. • Materials — Added HSB color support and path.color property. • Syntax — Added angle-axis rotation literals and object syntax for color, rotation, size, point, path, polygon and mesh values. • Debugging — Added focus command for inspecting selected geometry in complex scenes. • Import — Fixed loading of directory-based model formats (e.g. OBJ + MTL). • Import — Imported STL and OFF files now automatically fix incorrect polygon winding. • Export — Long-running exports can now be cancelled. • Export — CSG export now preserves circle and square semantics instead of converting them to generic polygons. • Bug fix — Fixed occasional mesh corruption issues and improved watertightness. • Bug fix — Fixed custom block transforms for tuple geometry returns. • Bug fix — Fixed parsing of command arguments inside multiline tuples. • Bug fix — Fixed command/property name shadowing. • Rendering — Improved rendering of translucent planar meshes and opacity textures. • Examples — Updated the example projects to showcase the new features and techniques.

• Crash fix — Fixed crash on app launch.

• Bug fix — Fixed incorrect count, allButFirst, allButLast and indexed member results for tuples. • Bug fix — Fixed child transforms being ignored when looping over shape values returned from a function. • Bug fix — Fixed performance regression when extruding along a path. • Bug fix — Fixed blank lines being omitted from console output. • Bug fix — Restored original subpath joining behavior. • Bug fix — Fixed various cases of malformed or inverted geometry.

• Improvement — Improved handling of complex or self-intersecting paths. • Bug fix — Fixed inverted edge vertex normals on complex extruded shapes, including text. • Bug fix — Unlock Export Feature now works again.

• Bug fix — Fixed rendering of non-overlapping transparent objects. • Object Selection — Added long-press contextual menu for selecting objects in the editor. • Debug Console — Console is now a resizable bottom sheet instead of a fixed-size footer.

• Bug fix — Fixed rendering of nested transparent objects. • Bug fix — Fixed spurious type mismatch warning. • Bug fix — Unterminated block comments now produce an error. • Bug fix — Fixed loft command when lofted shapes have different numbers of points. • Crash fix — Fixed crash with non-finite scale or position values. • Import — Added support for tilde in import paths. • Import — Added size limits for imported files. • Improvement — Improved cancellation responsiveness.

• Bug fix — Fixed unexpected flattening of nested tuple values.

• Syntax — You can now use if, switch and for statements inside expressions. • Syntax — Added optional message parameter for assert command. • Syntax — Textures and fonts can now be imported for later use with the import command. • Bug fix — Fixed off-center convex hull calculation. • Bug fix — Fixed expression snd func scope transforms. • Bug fix — Editing or replacing a texture file now triggers reload automatically. • Improvement — Removed redundant parentheses from logged values. • Import — Lights are now included when importing scene files.

• Bug fix — Fixed misalignment when using twist option with extrude command • Bug fix — Fixed vertex normals when extruding along a path with sharp corners • Bug fix — Fixed loft command with coplanar paths producing inverted faces • Bug fix — Fixed occasional missing vertices in hull command output • Improvement — Improved hull and minkowski command performance

• Crash fix — Fixed crash when creating a path from empty subpaths. • Bug fix — Fixed minkowski command output with off-center input shapes. • Bug fix — Fixed bounds calculation for intersection shapes. • Bug fix — Fixed bug where mesh.triangles member returned polygons instead of triangles. • Bug fix — Fixed partial render state sometimes not being shown after an error. • Bug fix — Scene info no longer shows imported models and textures after they have been removed. • Improvement — Improved detessellation algorithm (now merges more polygons than before). • Improvement — Improved subpaths implementation (more reliably preserves distinct subpaths).

• Minkowski sum — Added minkowski command for creating a Minkowski sum of meshes or paths. • Editing — Added undo/redo buttons to built-in source editor. • Export — Added support for exporting OpenSCAD CSG (Constructive Solid Geometry) files. • Import/Export — Added support for importing and exporting OFF (Object File Format) files. • Syntax — Custom blocks now accept child objects via implicit children parameter. • Syntax — Added fonts property for listing available fonts. • Syntax — Made font command name matching more lenient. • Syntax — The sum function now works with vector inputs. • Debugging — Improved error messaging for mismatched angle types. • Debugging — Improved function parameter type inference. • Debugging — Improved type error messages. • Performance — Significantly improved performance when extruding complex paths such as text. • Improvement — The smoothing command now works with imported meshes. • Improvement — Improved vertex color blending for hull and extrusion commands. • Crash fix — Fixed crash when a function has duplicate parameter names. • Bug fix — The loft command now works correctly again with paths containing a single point. • Bug fix — Fixed some bugs with transform commands and properties in custom blocks. • Bug fix — Accessing mesh and polygon member properties now works for tuples of meshes/polygons. • Bug fix — Fixed cache invalidation bug when using smoothing or hull commands.

• Performance — Significantly improved performance when rendering geometry with high detail. • Crash fix — Fixed crash in path command when successive points have the same coordinate. • Crash fix — Fixed crash when displaying error line number in some cases. • Bug fix — Fixed some text input glitches.

• Bug fix — Significantly improved loft output when lofted shapes have different numbers of points. • Performance — Repeated access to an imported file is now cached to reduce loading time. • Improvement — Home Screen icon now supports dark and tinted modes.

• Bug fix — The polygons, triangles and volume members should now work correctly in all cases. • Improvement — Added support for the British spelling "centre" as an alias for "center".

• Model info — Added mesh volume to model info. • Meshes — Added mesh.volume member. • Meshes — Added mesh.triangles and polygon.triangles members. • Functions — Added sum() function. • Syntax — Added partial ranges using the new "from" operator. • Crash fix — Fixed crash when extruding single-point paths. • Bug fix — Fixed bug with returning subscripted values. • Bug fix — Fixed some bugs with negative or reversed ranges.

• Bug fix — Fixed escaping of object names in 3MF export.

• Export — Added 3MF export. • Bug fix — Improved SVG path support. • Bug fix — Fixed issue where bounds member didn't work on text command output. • Editor — Tap to select shapes now works through invisible objects. • Debugging — Partial scene progress is now displayed after an error to aid debugging.

• Export — Added SVG export. • Syntax — Added "in" operator for testing if a value lies within a tuple or range. • Syntax — Negative subscript indices can now be used to access elements at the end of a list.