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Modern and future surveys effectively provide a panchromatic view for largenumbers of extragalactic objects. Consistently modeling these multiwavelengthsurvey data is a critical but challenging task for extragalactic studies. TheCode Investigating GALaxy Emission (CIGALE) is an efficient PYTHON code forspectral energy distribution (SED) fitting of galaxies and active galacticnuclei (AGNs). Recently, a major extension of CIGALE (named X-CIGALE) has beendeveloped to account for AGN/galaxy X-ray emission and improve AGN modeling atUV-to-IR wavelengths. Here, we apply X-CIGALE to different samples, includingCOSMOS spectroscopic type 2 AGNs, CDF-S X-ray detected normal galaxies, SDSSquasars, and COSMOS radio objects. From these tests, we identify severalweaknesses of X-CIGALE and improve the code accordingly. These improvements aremainly related to AGN intrinsic X-ray anisotropy, X-ray binary emission, AGNaccretion-disk SED shape, and AGN radio emission. These updates improve the fitquality and allow new interpretation of the results, based on which we discussphysical implications. For example, we find that AGN intrinsic X-ray anisotropyis moderate, and can be modeled as $L_X(\theta) \propto 1+\cos \theta$, where$\theta$ is the viewing angle measured from the AGN axis. We merge the new codeinto the major branch of CIGALE, and publicly release this new version asCIGALE v2022.0 on https://cigale.lam.fr

Fitting AGN/galaxy X-ray-to-radio SEDs with CIGALE and improvement of the code