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Update for 1.9.3 release
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‎CHANGELOG.md‎

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# Change Log
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## [1.9.3](https://github.com/nicklockwood/ShapeScript/releases/tag/1.9.3) (2025-11-13)
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- Fixed misalignment when using `twist` option with `extrude` command
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- Fixed vertex normals for extrusions where `along` path has sharp corners
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- Fixed bugs where `loft` with coplanar paths produced inverted faces
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- Fixed occasional missing vertices in `hull` command output
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- Improved `hull` and `minkowski` command performance
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- Bumped Euclid to version 0.8.13
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## [1.9.2](https://github.com/nicklockwood/ShapeScript/releases/tag/1.9.2) (2025-10-26)
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- Fixed crash when creating a path from empty subpaths

‎README.md‎

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To install the ShapeScript framework using CocoaPods, add the following to your Podfile:
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```ruby
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pod 'ShapeScript', '~> 1.9.2'
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pod 'ShapeScript', '~> 1.9.3'
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```
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To install using Carthage, add this to your Cartfile:
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```ogdl
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github "nicklockwood/ShapeScript" ~> 1.9.2
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github "nicklockwood/ShapeScript" ~> 1.9.3
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```
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To install using Swift Package Manager, add this to the `dependencies:` section in your Package.swift file:
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```swift
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.package(url: "https://github.com/nicklockwood/ShapeScript.git", .upToNextMinor(from: "1.9.2")),
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.package(url: "https://github.com/nicklockwood/ShapeScript.git", .upToNextMinor(from: "1.9.3")),
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```
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The repository also includes ShapeScript Viewer apps for iOS and macOS, a cut-down version of the full ShapeScript apps available on the [Mac](https://apps.apple.com/app/id1441135869) and [iOS](https://apps.apple.com/app/id1606439346) app stores. It is not currently possible to install or run these apps using CocoaPods, Carthage or Swift Package Manager but you can run them by opening the included Xcode project and selecting the `Viewer (Mac)` or `Viewer (iOS)` schemes. For Linux, see [usage instructions](#usage-linux) below.

‎ShapeScript.podspec.json‎

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{
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"name": "ShapeScript",
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"version": "1.9.2",
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"version": "1.9.3",
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"license": {
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"type": "MIT",
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"file": "LICENSE.md"
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"authors": "Nick Lockwood",
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"source": {
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"git": "https://github.com/nicklockwood/ShapeScript.git",
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"tag": "1.9.2"
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"tag": "1.9.3"
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},
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"source_files": ["ShapeScript", "LRUCache/Sources", "SVGPath/Sources"],
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"requires_arc": true,

‎ShapeScript.xcodeproj/project.pbxproj‎

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"$(inherited)",
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"@executable_path/Frameworks",
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);
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MARKETING_VERSION = 1.9.2;
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MARKETING_VERSION = 1.9.3;
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PRODUCT_BUNDLE_IDENTIFIER = com.charcoaldesign.ShapeScriptViewer;
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PRODUCT_MODULE_NAME = Viewer;
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PRODUCT_NAME = ShapeScript;
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"$(inherited)",
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"@executable_path/Frameworks",
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);
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MARKETING_VERSION = 1.9.2;
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MARKETING_VERSION = 1.9.3;
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PRODUCT_BUNDLE_IDENTIFIER = com.charcoaldesign.ShapeScriptViewer;
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PRODUCT_MODULE_NAME = Viewer;
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PRODUCT_NAME = ShapeScript;
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"@executable_path/../Frameworks",
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"@loader_path/Frameworks",
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);
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MARKETING_VERSION = 1.9.2;
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MARKETING_VERSION = 1.9.3;
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MODULE_VERIFIER_SUPPORTED_LANGUAGES = "objective-c objective-c++";
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MODULE_VERIFIER_SUPPORTED_LANGUAGE_STANDARDS = "gnu17 gnu++20";
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PRODUCT_BUNDLE_IDENTIFIER = com.charcoaldesign.ShapeScriptLib;
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"@executable_path/../Frameworks",
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"@loader_path/Frameworks",
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);
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MARKETING_VERSION = 1.9.2;
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MARKETING_VERSION = 1.9.3;
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MODULE_VERIFIER_SUPPORTED_LANGUAGES = "objective-c objective-c++";
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MODULE_VERIFIER_SUPPORTED_LANGUAGE_STANDARDS = "gnu17 gnu++20";
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PRODUCT_BUNDLE_IDENTIFIER = com.charcoaldesign.ShapeScriptLib;
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"$(inherited)",
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"@executable_path/../Frameworks",
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);
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MARKETING_VERSION = 1.9.2;
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MARKETING_VERSION = 1.9.3;
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PRODUCT_BUNDLE_IDENTIFIER = com.charcoaldesign.ShapeScriptViewer;
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PRODUCT_MODULE_NAME = Viewer;
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PRODUCT_NAME = "ShapeScript Viewer";
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"$(inherited)",
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"@executable_path/../Frameworks",
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);
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MARKETING_VERSION = 1.9.2;
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MARKETING_VERSION = 1.9.3;
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PRODUCT_BUNDLE_IDENTIFIER = com.charcoaldesign.ShapeScriptViewer;
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PRODUCT_MODULE_NAME = Viewer;
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PRODUCT_NAME = "ShapeScript Viewer";

‎ShapeScript/Interpreter.swift‎

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// MARK: Public interface
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public let version: String = "1.9.2"
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public let version: String = "1.9.3"
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public func evaluate(
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_ program: Program,

‎Viewer/Mac/WhatsNew.rtf‎

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\
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\pard\tx220\tx720\pardeftab720\li720\fi-720\partightenfactor0
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\f1\b\fs28 \cf2 ShapeScript 1.9.3 \'97 2025-11-13\
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\
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\pard\tx220\tx720\pardeftab720\li720\fi-720\partightenfactor0
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\cf2 \kerning1\expnd0\expndtw0 \'95
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\f0\b0 \expnd0\expndtw0\kerning0
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Fixed misalignment when using `twist` option with `extrude` command.\
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\ \'95
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\f0\b0 \expnd0\expndtw0\kerning0
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Fixed vertex normals for extrusions where `along` path has sharp corners.\
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\ \'95
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\f0\b0 \expnd0\expndtw0\kerning0
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Fixed bugs where `loft` with coplanar paths produced inverted faces.\
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\ \'95
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\f0\b0 \expnd0\expndtw0\kerning0
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Fixed occasional missing vertices in `hull` command output.\
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\ \'95
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\f0\b0 \expnd0\expndtw0\kerning0
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Improved `hull` and `minkowski` command performance.\
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\ \'95
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\f0\b0 \expnd0\expndtw0\kerning0
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Bumped Euclid to version 0.8.13.\
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\
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\f1\b\fs28 \cf2 ShapeScript 1.9.2 \'97 2025-10-26\
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\
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\pard\tx220\tx720\pardeftab720\li720\fi-720\partightenfactor0

‎Viewer/iOS/WhatsNew.rtf‎

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\paperw11900\paperh16840\margl1440\margr1440\vieww24140\viewh18420\viewkind0
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\deftab720
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\f0\b \cf2 ShapeScript 1.9.3 \'97 2025-11-13\
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\
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\pard\tx220\tx720\pardeftab720\li720\fi-720\partightenfactor0
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\cf2 \kerning1\expnd0\expndtw0
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\f1\b0 \expnd0\expndtw0\kerning0 \'95
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\f1\b0 \expnd0\expndtw0\kerning0
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Fixed misalignment when using `twist` option with `extrude` command.\
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\ \'95
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\f1\b0 \expnd0\expndtw0\kerning0
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Fixed vertex normals for extrusions where `along` path has sharp corners.\
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\ \'95
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\f1\b0 \expnd0\expndtw0\kerning0
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Fixed bugs where `loft` with coplanar paths produced inverted faces.\
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\ \'95
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\f1\b0 \expnd0\expndtw0\kerning0
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Fixed occasional missing vertices in `hull` command output.\
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\ \'95
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\f1\b0 \expnd0\expndtw0\kerning0
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Improved `hull` and `minkowski` command performance.\
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\ \'95
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\f1\b0 \expnd0\expndtw0\kerning0
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Bumped Euclid to version 0.8.13.\
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\
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\f0\b \cf2 ShapeScript 1.9.2 \'97 2025-10-26\
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\
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\pard\tx220\tx720\pardeftab720\li720\fi-720\partightenfactor0

‎docs/1.9.3‎

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1.9.0

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