On 26/08/2018 04:15, Benjamin Berg wrote:
> Hi,
> 
> I am using \ior_get_str:NN in my package[1]. This results in the
> following error when used with new LaTeX 3 versions:
> 
>     LaTeX error: "kernel/deprecated-command" The deprecated command
>     '\ior_get_str:NN' has been or will be removed on 2018-03-05. Use
>     instead '\ior_str_get:NN'.
> 
> Simply replacing \ior_get_str:NN with \ior_str_get:NN would make the
> package incompatible with older versions of LaTeX3 though, and I would
> prefer to keep compatibility between versions for a while.
> 
> Is there a suggested way to deal with this change on a package level?
> 
> Regards,
> Benjamin

Simply put: update your code.

We provide a two TL-cycle period for people to update their packages, 
before removing deprecated commands. The *strong* likelihood is that 
users updating package X will also update expl3, and vice versa: for 
most end users, updating is done using their TeX system.

Joseph