Has anyone else seen this?
WARNING: The 'install' command is deprecated! It will be removed with archiso v49

OK, I'll bite: where have you seen this?

As the title says archiso when I run it that warning pops up.

I assume you mean you booted a live medium created from the arch iso?
And?
Did you continue to install it?
Did you drop it in a crater of molten lava?
What?
Why are you asking this question?
Are you insinuating something?

Where did you get that arch iso? Are you talking about an arch install iso?

There is no v49 to arch install iso.
https://www.archlinux.org/download/

The latest is:
archlinux-2020.08.01-x86_64.iso

Right now the version is 47.1 it says it will be deprecated in verison 49 i was asking if anyone else has seen this message.

No, actually I was building an iso you would not get this message installing an iso.

Oh, you are talking about this.
https://www.archlinux.org/packages/extra/any/archiso/
https://wiki.archlinux.org/index.php/Archiso

You could give some info so that the forum knows what you are talking about, instead of a little piece of info.

Is this related to your question?

https://gitlab.archlinux.org/archlin...9d05077ae08eee
https://gitlab.archlinux.org/archlin...c883802722f61f

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Archiso is a tool for building Arch Linux live CD ISO images.

The Archiso repo is here: https://gitlab.archlinux.org/archlinux/archiso/

Putting "It will be removed with archiso v49" into the search box results in a handful of results in the file archiso/mkarchiso, including the 'install' command mentioned: https://gitlab.archlinux.org/archlin...mkarchiso#L840

From there it's easy to identify that there are (at least) two relevant commits:
https://gitlab.archlinux.org/archlin...90a31abfdca2fd
https://gitlab.archlinux.org/archlin...e7bcbbfa14054d

This is clearly a deliberately change to remove legacy commands that presumably are no longer necessary - if the wiki page / project docs and/or latest version of the readme do not provide instructions on how to achieve what you need without those commands then you should presumably raise an issue with Archiso to get that resolved.

What else could it be!

You just did a lot of footwork for OP... assuming they even had a real question...

That's not true - you didn't see my feet move at all! :P

Following a few links isn't that much effort, but yeah - I probably should have simply asked "have you tried searching the archiso repo for that message" and left it at that.

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