Uncaught (in promise) TypeError: artifacts.flat is not a function

[umesh-timalsina]

Uncaught (in promise) TypeError: artifacts.flat is not a function
at ForgeActionButton.Execute.getArtifactInputs (Execute.js:228)

[brollb]

What browser were you using? It seems like flat should be supported by most major browsers and it is not clear how artifacts could be anything other than an array... Weird bug