v1.0.0

Platform Support

Android

• Android window support with YupActivity Java class (#29, #34)
• Java bytecode compilation via yup_android_java.cmake (#53)
• External storage permissions (READ_EXTERNAL_STORAGE / WRITE_EXTERNAL_STORAGE) for file access (#61)

iOS

• iOS CI pipeline with Xcode toolchain (#8)
• Updated minimum deployment targets: iOS/tvOS 13.0, watchOS 6.0, macOS 11.0 (#72)
• ARC enabled by default on Apple platforms (#91)
• iOS Simulator-specific framework groups (iosSimFrameworks / iosSimWeakFrameworks) in module declarations (#48)

macOS

• macOS message loop reworked: time-sliced event dispatch via CFRunLoopRunInMode targeting ~60 Hz; quit event registered with NSAppleEventManager for proper Apple Event quit handling (#47)
• NSSupportsSuddenTermination = false added to macOS Info.plist (#47)

Emscripten / WebAssembly

• Full Emscripten/WASM support including AudioWorklet audio device (#25)
• WASM threading with exported runtime methods (#61)
• -msimd128 compile flag and configurable stack size for Emscripten targets (#98)

SDL2

• SDL2 integration with libpng, libwebp, and rive_decoders (#37)
• Improved SDL/YUP Message Manager dispatch loop (#38)
• SDL symbol namespacing to prevent linker conflicts in Apple platform plugins (#112)

Graphics

• Reworked rendering backend selection API: YUP_RIVE_USE_D3D, YUP_RIVE_USE_METAL, YUP_RIVE_USE_OPENGL, YUP_RIVE_USE_DAWN (#24)
• Headless graphics context and no-op Rive factory for offscreen rendering (#32, #52)
• SVG rendering support (#56, #64)
• SVG 1.1 spec compliance: blend modes, patterns, polygon/polyline (#100, #118)
• Path API improvements with comprehensive examples (basic shapes, arcs, curves, transforms, advanced) (#56)
• createStrokePolygon() with feather effects (#55)
• Improved color management and gradient editor (#87)
• Improved CPU and GPU image rendering (#39, #87)
• Color::brighter() / darker() made const (#32)
• AffineTransform::inverted() constexpr method (#19)
• constexpr math utilities: jabs(), jmap(), jlimit(), findMinimum() / findMaximum(), nextPowerOfTwo(), and more (#18)
• ColorGradient::Spread enum: Pad, Repeat, Reflect tiling modes with withSpread() builder (#119)
• CubicBezier class: pointAt(), derivative(), length(), splitAt(), bounding box, and intersection (#119)

Image Formats

• New image format I/O framework: ImageFormat, ImageFormatReader, ImageFormatWriter, ImageFormatManager - plugin-style registry with magic-byte detection and animated image support (#119)
• BMP image format: reader (1/4/8/16/24/32-bpp, RLE4/RLE8, palette) and writer (24-bpp uncompressed), controlled by YUP_IMAGE_FORMAT_BMP (#119)
• PPM/PGM/PBM (Netpbm) image format: full P1–P6 plain and binary read/write, controlled by YUP_IMAGE_FORMAT_PPM (#119)
• PNG image format via libpng: grayscale, grayscale+alpha, RGB, and RGBA at 8- and 16-bit depths, controlled by YUP_IMAGE_FORMAT_PNG (#119)
• JPEG image format via libjpeg: quality-level encoding, controlled by YUP_IMAGE_FORMAT_JPEG (#119)
• WebP image format via libwebp, controlled by YUP_IMAGE_FORMAT_WEBP (#119)
• Animated GIF image format via libgif: per-frame delay, loop count, animated write API (beginAnimation / writeFrame / endAnimation), controlled by YUP_IMAGE_FORMAT_GIF (#119)
• Image::loadFromData() reimplemented via ImageFormatManager (#119)

Offscreen Rendering

• GraphicsContext::OffscreenTarget abstract interface for opaque platform GPU offscreen resources (#119)
• Offscreen API on GraphicsContext: createOffscreenTarget(), beginOffscreen(), endOffscreen(), readOffscreenPixels() - implemented for Metal, OpenGL, and D3D backends (#119)
• Graphics constructors for rendering to an Image or OffscreenTarget outside the main frame cycle (#119)
• Image gained renderCanvas backing (RenderCanvas) alongside texture for offscreen render-to-texture; duplicate() re-enabled with proper deep copy (#119)
• Graphics::TransparencyLayer RAII class for isolated group opacity compositing: renders into an offscreen target and composites back at the given opacity on commit() (#119)

Animations (yup_animation)

• New yup_animation module: Lottie-compatible animation engine depending on yup_core and yup_graphics (#119)
• Animation: high-level handle with loadFromFile(), loadFromData(), loadFromStream(), renderFrame(), renderAtTime(), renderAtProgress(), toJson(), and saveToFile() (#119)
• AnimationPlayer: stateful playback controller with forward, reverse, and ping-pong direction modes, looping, variable speed, frame-range clamping, seek, and onFrameChanged / onLoopCompleted / onPlaybackEnded callbacks (#119)
• AnimationEasing: cubic bezier easing with named presets (linear, easeIn, easeOut, easeInOut, hold) and fromLottieTangents() import (#119)
• AnimationProperty<T>: generic animated property with keyframe interpolation; specializations for float, Point<float>, Size<float>, and Color (#119)
• AnimationTransform: animated anchor, position, scale, rotation, and opacity with conversion to AffineTransform at a given frame (#119)
• Full animation data model: AnimationComposition, AnimationGroup, AnimationLayer, ShapeLayer, shape types (ellipse, rect, path, star, merge, trim, repeater, polystar), paint types (fill, stroke, linear/radial gradient), and modifiers (#119)
• LottieReader: parse .json and .lottie (ZIP) files from file, string, or stream into the animation data model (#119)
• LottieWriter: serialize the animation data model back to Lottie JSON (pretty or compact) with full round-trip support (#119)
• LottieExpressionEvaluator: JavaScript expression evaluator for Lottie property expressions via JavascriptEngine (#119)
• AnimationRenderer: renders an AnimationComposition to a Graphics context - layer hierarchy, parent-child transforms, matte layers (track-matte), shape fills/strokes/gradients, and image layers (#119)
• AnimationFrameExporter: exports individual or all frames to Image objects via offscreen GPU, and exports animations to animated GIF files (#119)

Audio

Plugin Support

• VST3 plugin support (#44)
• Audio Unit (AUv2) plugin support (#93, #106)
• Barebone Audio Unit (AUv3) plugin support (#122)
• Barebone AAX plugin support (#122)
• Barebone LV2 plugin support (#122)
• Audio Plugin Host for AUv2, VST3, and CLAP (#93, #98, #106)
• Standalone plugin support with improved audio parameters (#46)
• CLAP/VST3/AU validators and code signing (YUP_ENABLE_VST3_VALIDATOR, etc.) (#106)
• pluginval integration for automated VST3 validation (#67)

Audio Formats (yup_audio_formats)

• New yup_audio_formats module: AudioFormat, AudioFormatManager, AudioFormatReader, AudioFormatWriter, WAV codec (#51)
• Opus, MP3, FLAC, AAC, CoreAudio, and WMF codec support (#86, #88)

DSP (yup_dsp)

• New yup_dsp module with FFT/windowing via ooura, pffft, vDSP, IPP, FFTW3 (#71)
• Basic IIR filter implementations (#71)
• Linkwitz-Riley crossover filters (#71)
• FIR filter (#75)
• Partitioned convolution (#75)
• Oversampler and Resampler (2×/4×/8×) (#97)
• Noise generators (#71)
• Virtual analog filters: AnalogTwoPoleFilter, AnalogVowelFilter, AnalogKorg35Filter, AnalogMoogLadderFilter, AnalogRolandDiodeFilter, CombFilter (#103)
• Spectral processor (#116)
• Onset detectors (SpectralFlux and ComplexFluxODF) with perceptual filter bank (#117)
• Time-domain and Frequency-domain stretching with backend selection (homebrew PSOLA plus bungee) (#104)
• Distortion processors with oversampling: TanhDistortionProcessor, BlunterSoftClipperProcessor, AaIirHardClipperProcessor (#108)
• Click-less fractionally addressed delay (FAD) (#109)
• Emscripten AudioWorklet audio device (#25)
• MIDI 2.0 / Universal MIDI Packets (UMP) implementation (#83)
• KMeterState de-interleaving buffers pre-allocated in prepare(), eliminating per-block heap allocation in the audio callback (#119)

Synthesiser

• SynthesiserVoice converted to ReferenceCountedObject with Ptr = ReferenceCountedObjectPtr<SynthesiserVoice>; Synthesiser::addVoice() now accepts SynthesiserVoice::Ptr (#82)

Audio Graph (yup_audio_graph / yup_audio_plugin_host)

• New yup_audio_graph and yup_audio_plugin_host modules (#93)
• Thread-safe BufferingAudioSource with atomic nextPlayPos (#98)
• AudioPlayHead::getContinuousTimeInSamples(): continuous sample time without loop-reset (#35)

UI

Components and Widgets

• Customizable theming/skinning system (#13)
• mouseDoubleClick() virtual method with configurable threshold (#14)
• KeyboardFocusMode enum replacing boolean setWantsKeyboardFocus(); added textInput() callback (#16)
• PopupMenu and ComboBox components (#57, #62)
• Native file chooser via FileChooser (#61)
• Component paint profiling: PaintProfiler with ring-buffer stats (min/max/mean/p50/p95/p99) (#95)
• ComponentNative::getGraphicsContext() virtual method allowing components to access the GPU context for offscreen operations (#119)
• MouseListener weak-referenceable interface for all mouse events; Component::addMouseListener() / removeMouseListener() (#30)
• Improved slider components (knob, linear, range) and button components (#70)

Text

• TextEditor and Label components (#16, #55)
• Improved fonts: better layouting, variable font axis manipulation, embedded fallback font (#55)
• Clipboard support (#55)

Audio GUI (yup_audio_gui)

• New yup_audio_gui module (#70)
• MIDI keyboard component (#70)
• Filter frequency response visualisation (#71)
• Spectrum analyser component (#71)
• Spectrogram component with peak/RMS/power/PSD level modes (#102)
• Oscilloscope and spectrum analyzer display processors (#109)

Data Models (yup_data_model)

• New yup_data_model module (#15)
• UndoManager with Transaction, ScopedTransaction, UndoableAction (#15)
• DataTree hierarchical data structure with builder pattern and transactional mutations (#73, #74)
• DataTree query support (#74)
• DataTree schema validation (#74)
• CachedValue<T> for type-safe DataTree property references (#74)
• DataTree complete UndoableAction suite for transactional mutations: PropertySetAction, PropertyRemoveAction, RemoveAllPropertiesAction, AddChildAction, RemoveChildAction, RemoveAllChildrenAction, MoveChildAction, CompoundAction - all with full undo/redo semantics (#82)
• Identifier usable as std::unordered_map key via std::hash specialization (#27)

Artboard (Rive Integration)

• Improved artboard placement (#17, #43)
• Shared Rive file across multiple Artboard components (#43)
• State machine inputs: setNumberInput(), setBoolInput(), triggerInput() (#17, #43)
• advanceAndApply() and durationSeconds() for timeline control (#17)
• State machine event handling (#43)
• Multi-artboard component support (#43)

Core & Utilities

New Modules

• yup_simd: SIMD vectorization framework (#107)
• yup_python: Python bindings (from popsicle) (#65)

yup_core Additions

• SqliteDatabase with Statement and Transaction (#94)
• Perfetto profiling: YUP_ENABLE_PROFILING, Profiler singleton, YUP_PROFILE_START / YUP_PROFILE_STOP macros (#20)
• Watchdog file watching utility (#50)
• URL copy and move constructors (#58)
• messageThreadID made atomic (removed mutex) (#26)
• ReferenceCountedObject::incReferenceCount() / decReferenceCount() made const (#28)
• DatagramSocket multicast overloads with local IP (#60)
• ResultValue<T>::valueOr() (#96)
• AudioSampleBuffer::fill() overloads (#110)
• JavascriptEngine::executeWithResult() to execute a code block and capture the last expression result (#119)
• JavascriptEngine::registerNativeFunction() for top-level native function registration by name (#119)
• JavaScript $ accepted as valid identifier character, required for Lottie expression compatibility (#119)
• WASM: POSIX file API extended with symlink(), dirent.h, fnmatch.h, utime.h support; WASMFS enabled for standalone builds (#36, #59)
• Linux: File::isOnRemovableDrive() implemented via /sys/block/<dev>/removable (#36)

Build System

• zlib and oboe extracted from inline module sources into standalone thirdparty/ modules for cleaner namespace isolation and build separation (#6, #7)
• TARGET_IDE_GROUP parameter on yup_standalone_app and yup_audio_plugin; all modules, tests, and examples placed in dedicated "Modules", "Tests", and "Examples" IDE folders (#11)
• appleFrameworks / appleWeakFrameworks module declaration fields unifying iOS and macOS framework lists (#36)
• Per-platform C++ standard override via *CppStandard module header fields (appleCppStandard, osxCppStandard, linuxCppStandard, wasmCppStandard, androidCppStandard, msftCppStandard) (#52)
• Platform CMake files reorganized under cmake/platforms/ and loaded dynamically per target platform (#36)
• Circular dependency detection for YUP modules (#111)
• Module link options support (per-platform *LinkOptions) (#53)
• Module target aliases (yup::yup_core, etc.) (#53)
• Code coverage: YUP_ENABLE_COVERAGE, codecov integration (#54)
• Test sharding support: --gtest_total_shards / --gtest_shard_index for parallel CI runs (#119)

Bug Fixes

• Crash at startup when height/width is 0 on custom-scaled screens (#21)
• Application never quits: incorrect quitMessagePosted ordering in stopDispatchLoop() (#42)
• Redraw issues and app icon rendering on macOS (#31)
• iOS toolchain: removed hardcoded DEVELOPER_DIR path (#72)
• CoreAudio thread safety: atomic operations replacing mutex (#76)
• SMPTE timecode validation, SSE macro, and memory fixes (#78)
• ZIP timestamp: missing >>1 for 2-second resolution (#92)
• StyledText::clear() fully resets state; caret bounds and glyph index for empty lines (#96)
• Duplicated SDL symbols in Apple plugins (#112)
• ComboBox popup re-opens on click-to-dismiss; added ignoreMouseDownAfterPopupDismissal (#114)
• AudioDeviceManager destructor race on midiCallbackLock (#115)
• Android oboe: __ANDROID__ preprocessor instead of ANDROID (#9)
• Graphics::drawImage(), renderStrokePath(), renderFillPath(), renderFittedText(): opacity not propagated to renderer - fixed (#119)
• SIMDRegister: tail-loop bounds check preventing out-of-bounds access in load and store paths (#119)
• Mouse-wheel events now dispatched to the component under the cursor when no component is focused (#30)
• Linux Watchdog: inotify fd set to non-blocking, read buffer heap-allocated, thread join order corrected to prevent crash on destruction (#36)

New Contributors

• @eyalamirmusic made their first contribution in #2
• @dikadk made their first contribution in #21
• @AnimatorJeroen made their first contribution in #42
• @kunitoki with @Copilot made their first contribution in #115

Full Changelog: https://github.com/kunitoki/yup/commits/v1.0.0