Changes in version 0.6.2 (2026-02-18)                  

  - Update to v0.6.2 of the underlying PIQP library
  - Migrate from R6 to S7 OOP system
  - Inequality constraints are now double-sided: h_l <= Gx <= h_u
  - Variable bounds renamed: x_lb/x_ub to x_l/x_u
  - Result fields renamed: z to z_l/z_u, z_lb/z_ub to z_bl/z_bu, s to
    s_l/s_u, s_lb/s_ub to s_bl/s_bu
  - Info fields renamed: primal_inf to primal_res, dual_inf to dual_res
  - New settings: infeasibility_threshold,
    preconditioner_reuse_on_update
  - Use generic functions solve(), update(), get_settings(), get_dims(),
    and update_settings() instead of R6 methods
  - Support for problem data updates and warm starts via update()

                        Changes in version 0.3.1                        

  - Update to v0.3.1 of the underlying PIQP library

                 Changes in version 0.2.2 (2023-08-14)                  

  - First CRAN release