Searched around and didn’t see this request so I thought I’d make it. I was surprised to learn how much I love the emoji support and how much information it communicates in BK’s various dashboards.
GitHub has this — not in enough places, in my opinion, but it has it when creating new issues:
Could we get something similar when editing emoji-enabled text fields in Buildkite?
That, or a button on the text field that gives us an emoji menu like this (they both achieve the same goal):