Changes in version 2.3.1                        

CRAN Compliance

  - Replace all cat() / print() calls with message() or warning() for
    suppressible console output.
  - Add verbose parameters to seurat_to_gedi(), gedi_to_seurat(),
    check_optional_dependencies(), and install_optional_dependencies().
  - Replace cat()-based progress bars with txtProgressBar() across
    imputation and training routines.
  - Replace installed.packages() with requireNamespace() for dependency
    checking.
  - Move hdf5r from Imports to Suggests (optional dependency for H5AD
    I/O).
  - Add ggplot2 and scales to Imports; add uwot and digest to Suggests.
  - Use CRAN-required two-line LICENSE format.
  - Add @return documentation tags to all exported and documented
    functions.
  - Replace non-ASCII characters in C++ source files with ASCII
    equivalents.
  - Remove redundant Maintainer field from DESCRIPTION.

                        Changes in version 2.3.0                        

  - Initial public release with C++ backend and R6 interface.
  - Support for multiple data modalities (count matrices, paired data,
    binary indicators).
  - Latent variable model with block coordinate descent optimization.
  - Dimensionality reduction, batch correction, and imputation.
  - Differential expression and pathway association analysis.
  - H5AD file I/O for Python interoperability.
  - Seurat and SingleCellExperiment integration.