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We review the most precise tests of the CKM model of flavour physicsperformed by the LHCb collaboration during the current year. These includeworld best measurements of both time-dependent and time-independent $C\!P$violation in charm decays, the first observation of a nonzero mass differenceof the neutral charm-meson eigenstates, and the most precise determination todate of the mass difference between the $B_s^0$ eigenstates. A new simultaneouscombination of measurements of the CKM angle $\gamma$ and of charm decaysallows to improve the precision on the decay-width difference of the neutralcharm-meson eigenstates by a factor of 2 with respect to the combination ofcharm results only and to reach the best precision on $\gamma$ from a singleexperiment. The precision of the measurements is mainly limited by statistics,so further improvement is expected in the future.

Mixing and $C\!P$ violation in beauty and charm at LHCb