Treasury stopped minting it reportedly back in May of this year. It’s officially still valid denomination and with tons in circulation, it’s doubtful it will be going away anytime soon.

It looks like they’ll stop minting in “early 2026,” when they run out of blanks [1].

[1] https://thehill.com/homenews/nexstar_media_wire/5554660-dont...

Some places have moved ahead with it because supply is already constrained: https://www.mprnews.org/story/2025/10/06/kwik-trip-ditches-p...

(Note this is the way to do it, instead of splitting the difference fairly, they’re just always rounding down - eating a few cents here and there)