  We discuss the present state and planned updates of CosmoLattice, a
cutting-edge code for lattice simulations of non-linear dynamics of
scalar-gauge field theories in an expanding background. We first review current
capabilities of the code, including the simulation of interacting singlet
scalars and of Abelian and non-Abelian scalar-gauge theories. We also comment
on new features recently implemented, such as the simulation of gravitational
waves from scalar and gauge fields. Secondly, we discuss new extensions of
CosmoLattice that we plan to release publicly. On the one hand, we comment on
new physics modules, which include axion-gauge interactions $\phi F
\widetilde{F}$, non-minimal gravitational couplings $\phi^2 R$, creation and
evolution of cosmic defect networks, and magneto-hydro-dynamics (MHD). On the
other hand, we discuss new technical features, including evolvers for
non-canonical interactions, arbitrary initial conditions, simulations in 2+1
dimensions, and higher accuracy spatial derivatives.
