Apple’s VP of software engineering, Craig Federighi, answered the question of whether the company was working on merging iOS and macOS with a huge “No.” on stage at WWDC yesterday. However, he went on to explain that Apple is in the middle of a multi-year project to bring UIKit iOS apps to its desktop platform.

Now, Wired was able to get some more clarity from Federighi on how Apple will make this happen, including some details on what developers can expect.

The new report mentions how there’s some conflict between Apple saying it isn’t merging the two operating systems and its work on porting apps from iOS to macOS.

To this point, the beta version of macOS Mojave was released with four (previously) iOS only apps: Apple News, Stocks, Voice Memos, and Home. Also, the new Mac App Store was redesigned with lots of similarities to the much more vibrant iOS one.

As for what developers can expect for how much work app porting will be in the future when UIKit comes to the Mac, it sounds like a mixed bag.

Federighi stressed to Wired that even with these changes, Macs and iOS devices are still very unique.

While the software VP talked a bit about how not all iOS apps will be a good fit to port, he mentioned the mega-popular Fortnite as a good example.

When asked about how different chip architectures could affect iOS apps running on macOS, Federighi said that it wouldn’t be a big deal.

Naturally, Wired’s Lauren Goode asked about the possibility of touchscreen Macs in the future. Federighi reiterated Apple’s stance that they aren’t a good fit for laptops and desktops.

Additionally, he shared that Apple hasn’t seen any competitors bring anything “compelling” to market.

Another topic of concern for developers will be what UIKit for Mac and bringing over iOS apps will mean for revenue. If a dev is used to offering their app on the web and keeping all of the proceeds, will they want to share that with Apple in the case of porting apps to macOS?

There are of course many more details that Apple has yet to share. After prodding for an idea of when to expect Apple to make these new tools available, but it sounds like it could at next year’s WWDC.

Will developers have the same level of control if they’re creating a macOS app from an iOS app?

Federighi insisted that how an app is distributed and how much it costs will still be up to the developer.