This is Furukawa, President of Nintendo. We will make an announcement about the successor to Nintendo Switch within this fiscal year. It will have been over nine years since we announced the existence of Nintendo Switch back in March 2015. We will be holding a Nintendo Direct this June regarding the Nintendo Switch software lineup for the latter half of 2024, but please be aware that there will be no mention of the Nintendo Switch successor during that presentation.
https://twitter.com/NintendoCoLtd/status/1787736518762881197
No confirmation about what it is or when it'll release, but for all those people who say wait for Switch 2 in the comments it least now that's something official about future Nintendo hardware.
I'm predicting Pokémon Legends: Z-A will be a release title for the new console.