Is the Defer button a new feature?

[VSCPlays]

I am wondering if the defer button is new, I just noticed it now

so is the defer button a new feature?

[md-misko]

It was introduced in June '19

Discourse 2.3.0.beta11 Release Notes

New features in 2.3.0.beta11 Staff Action logs support infinite loading Need to figure out which admin created a backup in 2018? What about the color of the staff category back in 2015? Staff Action logs now support infinite loading, so you can just keep swimming scrolling until you find what you need. Don’t forget to take advantage of the filters to decrease the entries you must scroll through. Review queue improvements The consolidated review queue introduced the “reviewable priority”, which …

[Moin]

It is not new, but disabled by default. Maybe you enabled it in your preferences