There was a recent exclusive report from GoNintendo that stated that HoYoverse's Nintendo Switch port of Genshin Impact is still in development. It was essentially a single sentence, which was:
"The Switch version is still in development, and we will release more information as we progress further along."
It's not much information, but it confirms that the long-awaited port hasn't been canceled yet. Some Travelers have speculated that it would never come out, but the above report indicates that it's still something in the works. However, there is no expected release date.
HoYoverse did state that they would release more information when they made more progress on the project, but there's no telling when that will happen.
The above tweet contains GoNintendo's exclusive report. Essentially, they reached out to HoYoverse and got a response that this port of Genshin Impact is still in development.
Players have stated that they played a beta test of this port, such as the one shown below.
Unfortunately, there isn't much clear footage documenting this beta test. At the very least, the project made enough progress for a basic beta test at an anime convention. The best footage can be seen below (which still isn't clear).
Either way, HoYoverse has never officially released any gameplay footage of the project or anything else about it since the first trailer. It's become a running gag in the Genshin Impact community that the port will never come out, even if there has been a few times when the project was confirmed to still be in development.
The above video was one of the official Genshin Impact's oldest videos on YouTube. It aired on January 13, 2020, and was only 33 seconds long. In it, Travelers would see the iconic Nintendo Switch
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