On 15-11-2019 14:04, Wolfgang Schuster wrote:
> Use separator=rule, the columns environments uses since a few months
> the mixedcolumns mechanism but the you can load the old code base
> with \usemodule[old-multcolumns].

Is the new syntax the default for the new context only?
e.g. the online documentation doesn't mention the separator=rule syntax.

https://wiki.contextgarden.net/Command/setupcolumns

.F