>I've been trying to steal with my racoon without any success.
>Have tried it against animal mobs, sentient mobs, PCs all
>without success. Tried against low level little finger mobs,
>while mobs were sleeping, while I was invisible, tried
>stealing coins, gave them very light items and tried to steal
>it back. All without it succeeding even once.
>
>All I get is "Damn scavenging animals!"
>
>Even tried stealing during combat in the hope that that's how
>its supposed to work but apparently no too.
>
>Took a good look at my racoon description and even tried
>sniffing at them before stealing. Nadir.
>
>Is something wrong with my racoon's steal?

Nope. When thieves were revamped, steal in general was made harder. Racoons were not ignored in this, but they still have a decent chance to steal.