3.15.0

Highlights

HDR lighting & IBL

• Bundled CC0 HDRI library (~25 MB): studio_neutral, sunset_outdoor, overcast_outdoor, indoor_window, and synthetic flat_grey under media/hdri/
• Inspector Environment (Object mode): HDRI picker, Browse, skybox toggle, background blur
• HDR Environment material presets: Polished Metal, Brushed Metal, Glass, Plastic, Painted Wood, Skin, Car Paint — each with tuned env intensity/tint; pairs with studio_neutral by default
• First-run defaults: studio_neutral + ACES tonemap + 0 EV exposure
• PBR IBL per material: env intensity and tint in the Material Editor
• CLI: qtmesh hdri --list, qtmesh hdri --download <name>

AI mesh segmentation (v2)

• Retrained mesh segmentation model: 31.5% → 94.7% accuracy on rig-truth evaluation (#410)
• Improved exterior capsule caps, independent side-fix metric, scoped mirror provenance

Also in this release

• Text-to-motion experimental pipeline (#411)
• Curve editor channel visibility tags
• HDR skybox + tonemap compositor groundwork (#470–#472)

Install

• Windows: winget install FernandoTonon.QtMeshEditor
• macOS: Homebrew cask qtmesheditor
• Linux: .deb from this release, Snap, or Docker ghcr.io/fernandotonon/qtmesh

Full CLI reference: see CLAUDE.md or qtmesh --help.