  Few-body $\Lambda$ hypernuclei provide valuable information towards
understanding strange matter. Recent experimental progress by the STAR
Collaboration at the RHIC facility and by the ALICE Collaboration at the LHC
has been matched by theoretical progress reviewed here: (i) lifetimes of the
hypertriton $_{\Lambda}^3$H, $_{\Lambda}^3$n if particle-stable,
$_{\Lambda}^4$H and $_{\Lambda}^4$He and their charge symmetry breaking, and
(ii) the onset of $\Lambda\Lambda$ hypernuclear binding.
