CVX2.2, released in Jan 2020, supports Mosek 9.x’s native exponential cone capability. That is preferred (faster and more reliable) to using CVXQUAD’s exponential.m replacement. When using CVX2.2 with Mosek 9.x, the reformulation tricks presented in CVXQUAD: How to use CVXQUAD's Pade Approximant instead of CVX's unreliable Successive Approximation for GP mode, log, exp, entr, rel_entr, kl_div, log_det, det_rootn, exponential cone. CVXQUAD's Quantum (Matrix) Entropy & Matrix Log related functions are not necessary.