Yes. CHERI handily solves the spatial issue but does not really have a good solution for temporal safety as every solution eventually ends up requiring sweeping

Yes. CHERI handily solves the spatial issue but does not really have a good solution for temporal safety as every solution eventually ends up requiring sweeping memory and revoking capabilities. Temporal safety really is a beast of an issue and it's still unclear whether there is a palatable solution using CHERI.