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1. Commits on Nov 5, 2026

   • perf(modifiers): reuse target projections and avoid full parameter conversions

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   • fix(modifiers): preserve complete modern preset conversion

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   • feat(rig): evaluate and persist modifier stacks

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2. Commits on Oct 31, 2026

   • feat(rig): integrate three-layer mouths and VTS tracking options

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3. Commits on Oct 26, 2026

   • feat(rig): the plan's remaining modules - brow.spring bobs the brow on a pendulum as it stops; mouth.capture adds JawOpen, the jaw dropping behind closed lips; the mouth's inside darkens at a small…

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   • feat(rig): natural blinks and glances, and a VTube Studio mapping tuned for module rigs - the motion/natural base blinks shut in about two frames and opens over about five at uneven gaps, one of th…

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4. Commits on Oct 22, 2026

   • fix(hit-area): follow the CMO3 depth slice and refuse hit areas in older builds - an imported model's depth split keeps the source as the back and adds the front to its hit areas - psd-pose reports…

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   • fix(motion): report clamped spins for VTube Studio, choose seeded motion IDs ahead, hold the trajectory base after composition

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   • fix(export): standard expressions only on generated rigs, sidecars named by the written moc ids - an imported CMO3 has no expressions until edited; the standard names follow the interface language …

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   • feat(export): keep expressions, the pose and motion events in the project and write exp3 and pose3 - RigEditOverlay holds expressions (standard ones until first edited) and pose groups, MotionClip …

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   • fix(hit-area): keep hit areas on the meshes that replace theirs and report what export drops - a polygon, island or depth split puts its pieces in the original's place, a layer deletion takes its m…

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   • feat(hit-area): keep hit areas in the document and export them - rigEdits.hitAreas holds each area's ID, name and meshes in test order, saved with the rig definitions and left out of the revision t…

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   • fix(motion): key repeating axes on their turn, keep repeat in cmo3, report clamped spins

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5. Commits on Oct 21, 2026

   • fix(export): address the Screen blend and channel override review - psd-pose renders every mesh normal and writes its blend to the layer, so pre-5.3 add and multiply meshes no longer vanish; they b…

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   • fix(export): keep Screen blend from the PSD to the export - a Screen layer's mesh gets Cubism 5.3 Screen instead of Normal - a runtime before 5.3 draws it as Add, the nearest mode that never darken…

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6. Commits on Oct 16, 2026

   • feat(export): add a Unity prefab target (#43)

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   • fix(cmo3): fractional draw orders export as whole numbers in the same stacking (#40)

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7. Commits on Oct 12, 2026

   • fix: repair export, import, animation, and editing bugs

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   • fix: close the prior review findings on readers, runtime, and history

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8. Commits on Oct 10, 2026

   • test: remove the ad-hoc unit tests - they checked data shapes one feature at a time and missed the bugs that come from features combined; the dev tools in tools/ and the format-eval render parity t…

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   • feat: offer back unsaved edits after a crash; GUI fixes from the test report

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     claude

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   • fix(export): HD PSD layers fit the canvas, GIF palettes come from the clip, sheets are checked before rendering

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9. Commits on Oct 9, 2026

   • feat(export): Cubism Animator projects (.can3) beside the cmo3 - Can3 writes every clip as a scene in the Animator's fixed track layout (root group, model track with visual, parameter, part opacity…

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   • feat(build): Windows ARM64 and Linux arm64 packages, and macOS details - Linux arm64: the Cubism preview, the native renderer build (CMake, build_live2d_renderer.sh) and package_linux.sh use the SD…

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   • perf(sim): a bend takes one float atan2 of its two triangles' rotations - XpbdSolver.turn gives the rotation as an unnormalized (cos, sin) and the bend takes fastAtan2 of the first times the second…

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   • feat(runtime): C ABI 1.4 - what changed per mesh, a log and a host allocator - p2l_mesh_changes: whether a mesh draws and whether its visibility, opacity, draw order, place in the render order, ver…

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   • feat(runtime): bindings and builds beyond the JVM - C and C++: examples/c/render_example.c loads a rig through a shared model, plays a second and writes p2l_render's frame to a BMP; build_example.b…

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   • fix(export): the software rasterizer culls as Cubism does - with culling on only front faces draw, those with (b - a) x (c - a) < 0 in canvas coordinates, the rule the editor's preview and the web …

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   • feat(web): the player draws every color and alpha blend mode and isolated groups as the header composites them - premultiplied throughout (textures uploaded premultiplied without color management, …

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   • feat(runtime): C ABI 1.2 - clip layers with priorities, clip events and curves beyond parameters, several expressions, the rig's opacity and color overrides, physics wind, stabilization and vertica…

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   • feat(runtime): C ABI 1.1 - models shared by rigs, update stages and a host layer, parts and isolated groups, and what the file says about parameters, clips and the panel - p2l_model_load/free and p…

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   • fix(runtime): a panic inside the runtime fails the handle instead of aborting the host, and the C ABI carries a version - every entry point catches unwinding (the first evaluation in p2l_rig_load i…

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10. Commits on Oct 8, 2026

    • test: one class per subject and shared fixtures - core, application and project tests no longer reach into ui: desktop projection, panel selection, depth split painting, canvas mode and brush parit…

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    • fix(runtime): start every update from the host's pose so breathing, gaze, blinks and added expressions do not pile up - the C ABI applied clips, expressions, behaviors and physics onto the values t…

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    • feat(runtime): part poses and zstd writing - POSE (Cubism pose3: one part per group shows, the others fade out by Cubism's back-opacity rule, linked parts follow; applied after evaluation as each m…

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