### Julien Peloton, MS, Antony Lewis, Julien Carron, Oliver Zahn

The correlation between CMB lensing measurements from the CMB 2- and 4-point functions is computed for a possible CMB-Stage 4 experiment, including CMB polarization. Julien Peloton released a light version of the code used for the paper in his lenscov package. It computes full CMB and CMB lensing power spectrum covariances and other quantities useful for CMB lensing.