homebrew notes this formulae as deprecated or disabled.

[LostAccount]

I like dshb - works fine but is there any concern re the warning?

Warning: Some installed formulae are deprecated or disabled.
You should find replacements for the following formulae:
dshb

➜  ~ brew doctor
Please note that these warnings are just used to help the Homebrew maintainers
with debugging if you file an issue. If everything you use Homebrew for is
working fine: please don't worry or file an issue; just ignore this. Thanks!

Warning: Some installed formulae are deprecated or disabled.
You should find replacements for the following formulae:
  dshb

Warning: You are using macOS 10.13.
We (and Apple) do not provide support for this old version.
You will encounter build failures with some formulae.
Please create pull requests instead of asking for help on Homebrew's GitHub,
Twitter or any other official channels. You are responsible for resolving
any issues you experience while you are running this
old version.

➜  ~ 

[luni-moon]

Lucky, it isn't even available anymore :(