With Capture one 12 release are you planning to release a PS plugin for it ?

When I see your answer, I'm not sure to be clear. What I would like is not capture one in photoshop nor photoshop in capture one, it is also not the possibility to have ACR in capture one or a new RAW engine for C1. They are two differents tools and it will be a non sens to do that.
What I ask is a way to have access to more options after creating psd files with C1 like "open as layer in PS", 'open files with merge in PS".... just few tools to improve workflow.

Maybe PS devs works on that already, maybe not, maybe alter, maybe they don't when because C1 is a competitor to LR, I don't know, I just submit an idea because Phase One allow the possibility for third party brand to add there tools in C1.

Yeah I know C1 is a direct competitor to ACR/LR, but you know they work simply differently. My concern is more about C1/PS interaction.  In his new version C1 allow third party plugins (I didn't mention it in the original post). As it is third party plugins, it is not develop by Phase One.
Honestly I know I will not get a official answer, it is more tell it will be very pleasant to see a PS plugin for C1 in the future to give more options to PS Exportation/management, and I'm pretty sure it will make happy a lot of photographers.

Ask Phase One - it's their raw converter. If they decided to make a plugin for Photoshop that would be their decision (but don't hold your breath - considering Capture One's position as direct competitor to ACR/Lightroom).

This is a user forum and Adobe does not make public what they plan to do. They also do not use third party software as far as I know till they buy them out. Adobe has two interfaces to convert RAW files into rgb images I do not believe they will want a third.