Notes. We report 95% CL intervals or upper bounds on the isocurvature fraction β_iso at three scales (k_low = 0.002 Mpc⁻¹, k_mid = 0.050 Mpc⁻¹, and k_high = 0.100 Mpc⁻¹), the scale-independent correlation fraction, cos Δ, and the non-adiabatic contribution to the CMB temperature variance, α_{non − adi}. Here Δχ² is the difference between the χ² of the best-fit mixed and pure adiabatic models. In the last column we give the difference between the log of Bayesian evidences. (A negative lnB means that Bayesian model comparison disfavours the mixed model.) The number of extra parameters compared with ΛCDM is denoted by Δn in the first column. Note that the uniform priors on the primordial powers at two scales lead to non-uniform priors on the parameters reported in this table. This is particularly significant for β_iso(k_mid), where the prior peaks at a non-zero value. The baseline Planck 2018 TT,TE,EE+lowE+lensing results are highlighted in bold.