## v3.4.0 - Form: Add M4 Super Mirror Track. - Add the possibility to print the mean/first/last values of selected sensors in GIXS, GIXD, area_detector, XRF, Data 1D, XRR. - GIXS, area_detector: returns now `images`, which contains all the images from the scan is extract_each is True, else None. - XRR_liquid: correct bug if the selected scan is not a XRR. - XRR: the background by default is now left/right instead of up/down.