[MC-276809] /version command replies "you are ... versions behind" instead of "server is ... versions behind".

Join an server running 1.20.1 or so (while you run 1.21.1), then enter /version in chat. This reply appears:

[media]

instead, in last line it should say "(this) server is 52 version(s) behind".

/version is not a vanilla command.

Thank you for your report!
However, this issue is Invalid.

Your game, launcher or server is modified.
If you can reproduce the issue in a vanilla environment, please recreate the issue.

Any non-standard client/server/launcher build needs to be taken up with the appropriate team, not Mojang.
A world which had previously been opened with a modified client might be corrupted. Please try reproducing the issue in a newly generated world.
Any plugin issues need to be addressed to the creator of the plugin or resource pack.
If you have problems on large servers like Hypixel, please contact them first as they run modified server software.

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ooooh wow, ok, that is VERY unfortunate. Is there any vanilla command to check server version?