Yes. If you have Ian dating Lena and Holly kissing Lena earlier. Holly will confess this at the beachhouse.
If you have Ian dating Holly and Lena kissing Holly earlier. Holly will also confess at the beach house, but it has more dialogue and Holly talking about how she feels for both protagonists.
In both routes Holly and Ian agreed to talk about it all together with Lena. But when Lena arrives at the beach house they don't yet get the chance. The confrontation with all 3 people is being saved for Lena's block
At this point I would recommend anyone wanting to see the best throuple path go for Ian sleeping with Lena, then sleeping with Holly, making Holly Ians gf, and having Lena pursue Holly. That way you have the new updates plus Holly and Ian sleeping together in between talking about Lena.