Today, it was announced that Psyonix's hit game Rocket League was heading to Nintendo Switch. Why is that relevant? Well, because it has once again brought up a topic which has been a thorn in the side of Sony this console generation: cross-play.

According to Pysonix, Rocket League on Switch will be cross-network play with Xbox One and PC, but not the PS4, which can still only cross-play with PC.

This news came on the back of Microsoft announcing during its E3 2017 presser that cross-platform play was coming to Minecraft, meaning Switch, Xbox One, PC, VR, mobile players will be able to play together. But not PS4 players.

Minecraft spokesperson Aubrey Norris -- following the announcement -- tweeted out the following tweet about wanting to get PlayStation on board, suggesting that it is on Sony that it is not included in the new cross-play feature.

That being said, today Eurogamer spoke to PlayStation Global Sales and Marketing Head Jim Ryan, who once again reaffirmed that Sony isn't particularly keen on cross-play.

When asked by Eurogamer if Sony was simply not playing ball with the whole cross-play thing, Ryan had the following to say:

"It's certainly not a profound philosophical stance we have against this. We've done it in the past. We're always open to conversations with any developer or publisher who wants to talk about it. Unfortunately it's a commercial discussion between ourselves and other stakeholders, and I'm not going to get into the detail of that on this particular instance. And I can see your eyes rolling."

To this, Eurogamer further pressed Ryan saying that Sony's lack of participation and lack of explanation for why it won't get involved, has left many gamers upset, to which Ryan replied:

"Yeah. We've got to be mindful of our responsibility to our install base. Minecraft - the demographic playing that, you know as well as I do, it's all ages but it's also very young. We have a contract with the people who go online with us, that we look after them and they are within the PlayStation curated universe. Exposing what in many cases are children to external influences we have no ability to manage or look after, it's something we have to think about very carefully."

Later in the interview between the two, Ryan says nothing is a done deal; however, he does confirm that there is no live conversation ongoing at the moment about the topic.