ThorVG × OSSCA 2026

TOTAL · Issue + PR 21

• thorvg#4698infra: build fails when asan is enabled (MSYS2)
• thorvg#4688cpu: repeat-gradient anti-aliasing ignores transform
• thorvg#4446lottie: layer effect dropped by JSON key order
• thorvg#4577wgpu: unrendered regions make the window transparent on Windows (MSYS2)
• thorvg#4669gif: Some parts of the visual colors are still not encoded correctly.
• thorvg#1758gif: a broken gif conversion
• thorvg#4497common: support build-time log level selection
• thorvg#4174renderer: Support actual font face name instead of font file name
• thorvg#3788text: support ttc extension
• thorvg#4547infra: binary size workflow not working on wg_engine
• thorvg#4591doc: ambiguous 'default value' phrasing in docs
• thorvg#4710cpu_engine: allow subpixel-aligned axis-aligned rects
• thorvg#4750cpu_engine: sync repeat-gradient anti-aliasing with transform
• thorvg#4721lottie: fix layer effects dropped by JSON key order
• thorvg.example#70wgpu: fix the crash on Wayland sessions
• thorvg#4685savers/gif: separate color quantization from the palette search structure
• thorvg#4655savers/gif: fix broken gif palette creation
• thorvg#4603infra: enable the wg engine in the binary size workflow
• thorvg#4590Revert "doc: fix incorrect alpha default value in fill()/strokeFill() description"
• thorvg#4586doc: fix incorrect current point description in appendRect()
• thorvg#4576doc: fix incorrect alpha default value in fill()/strokeFill() description

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TOTAL · Issue + PR 6

• thorvg.web#139lottie: can't export to png with webgl canvas
• thorvg#3737support png saver
• thorvg.web#342perf-test: canvas is not resized when the window size changes
• thorvg#4581infra: OpenMP dependency requirement when OpenMP support is enabled
• thorvg.web#343perf-test: resize canvas on window changes
• thorvg#4600infra: Require OpenMP dependency when enabled

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TOTAL · Issue + PR 6

• thorvg#4618clean up compiler padding warnings
• thorvg#4642svg: refactor named color assignment
• thorvg#4601proposal: Detect struct byte padding during build
• thorvg#4621svg: Speed up color lookup with binary search
• thorvg#4620Wpadded warnings clean up
• thorvg#4640svg: optimize named color lookup with binary search

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TOTAL · Issue + PR 4

• thorvg.web#357infra: Bundle Size Report
• thorvg.web#337infra: WASM build fails when EMSDK path contains spaces
• thorvg.web#363Test/bundle size report
• thorvg.web#338infra: Preserved EMSDK paths containing spaces

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TOTAL · Issue + PR 4

• thorvg.web#340infra: bring playground and perf-test into the pnpm workspace
• thorvg.web#344 perf-test: retarget workflow to webcanvas
• thorvg.web#335test(webcanvas): Add unit tests for uncovered Shape APIs
• thorvg.web#336ci: skip workflows on test-only changes

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TOTAL · Issue + PR 3

• thorvg.web#350playground: remove global injection in `window.devicePixelRatio` for the zoom control
• thorvg.web#197playground: animation is reset during zooming
• thorvg.web#349playground: preserve animation state while zooming

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TOTAL · Issue + PR 3

• thorvg#4641svg: Clarify null separator handling for invalid style declarations
• thorvg#4605SVG: nullptr crash parsing a css @font-face with no trailing ;
• thorvg#4609svg/parser: Prevent a crash in font-face declarations

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TOTAL · Issue + PR 3

• thorvg#3251gpu: handling very short closed paths
• thorvg#4612engines: draw a cap dot for degenerate closed subpaths (M x y Z)
• thorvg#4627api: add origin reference point API for Paint

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TOTAL · Issue + PR 3

• thorvg#29cpu: AVX optimization
• thorvg#4426gl_engine: blur shader optimization
• thorvg#4697gl: optimize Gaussian blur weight calculation

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TOTAL · Issue + PR 3

• thorvg.flutter#36update flutter issues fixes in thorvg flutter plus
• thorvg.flutter#38Support Picture for SVG Rendering
• thorvg.flutter#40svg: Add Svg widget for static SVG rendering

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TOTAL · Issue + PR 2

• thorvg#4349lottie: revise bezier interpolator
• thorvg#4653wg_engine: fix compiler warning for WgStageBufferSolidColor

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TOTAL · Issue + PR 2

• thorvg#4630trimpath() only normalizes offsets by one period, contradicting the documented circular range
• thorvg#4631renderer/trimpath: normalize offsets beyond one period

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TOTAL · Issue + PR 2

• thorvg#4703optimize struct memory usage
• thorvg#4618clean up compiler padding warnings

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TOTAL · Issue + PR 1

• thorvg.web#347perf-test: add a engine version display

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TOTAL · Issue + PR 1

• thorvg.web#364perf-test: fix initial state flicker

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TOTAL · Issue + PR 1

• thorvg.web#353test(webcanvas): Add unit tests for uncovered Picture APIs

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