• Hide vendored HarfBuzz symbols on Apple (#4263).
• Add attribute buffer index to support multiple attributes interleaved in single buffer bind [Core optimization] (#4241).
• core: Fix crash in RenderLayer::updateTile when layerGroup is not a TileLayerGroup (#4217).
• Expose Metal texture from headless backend (#4267).
• Update metal-cpp (#4087).
• Optimize fill extrusion memory by using instancing [Core optimization] (#4256).
• fix(renderer): guard ImageManager callback against use-after-free (#4233).