Gaia DR3 colour-magnitude diagram depicting the candidate hot subdwarfs (1682) from Culpan et al. (2022) with Gaia light curves (grey circles). The variability classifications are shown for the selected candidate variable hot subdwarfs (290) with TESS observations (141/290). Among the candidate hot subdwarfs, CVs are also identified from the literature and are represented by left triangles. The grey background data points correspond to the Gaia Catalogue of Nearby Stars (Gaia Collaboration 2021b).