Raisin are unable to offer SEPA Instant Inbound or Outbound. Over the last 10 days, I transferred money from my reference account (AIB) to my Raisin Cash account, and separately from my Raisin Cash Account to my reference account (AIB) and in both cases SEPA Standard was the only option, SEPA Instant was not available. I asked Raisin support why and the curt response was that they do not offer SEPA Instant. Go figure.
In fairness to the much maligned Irish Banks, various SEPA Instant transfers have all worked and their implementations appear to be pretty solid. VOP also appears to be working well. I've completed SEPA Instant transfers involving AIB, BOI, N26 and BUNQ, all without issue. The only ongoing annoyance is BOI's refusal to let you change the name on a Payee (to match the actual account name) and forcing the deletion and re-addition of the Payee to achieve this - not a big deal I suppose, more of an irritation.