Version 1.0.0 ------------- - Initial release. A software implementation of the model described by Stevenson, Smit, and Setyawan (2026). - Includes model fitting function `fit.morph()`; plotting function `plotmorph()`; simulation functions `sim.measurements()`, `sim.morph()`, and `extract.sim.morph()`; prediction function `predictblup()`; and S3 methods `plot.lme.morph()`, `predict.lme.morph()`, `summary.lme.morph()`. - The data analysed in Stevenson, Smit, and Setyawan (2026) are available as the exported object `manta`.