Confirmed via Twitter by Nintendo president Furukawa:

This is Furukawa. At today's Corporate Management Policy Briefing, we announced that Nintendo Switch software will also be playable on the successor to Nintendo Switch. Nintendo Switch Online will be available on the successor to Nintendo Switch as well. Further information about…

— 任天堂株式会社（企業広報・IR） (@NintendoCoLtd) November 6, 2024

https://www.nintendolife.com/news/2024/11/its-official-switch-2-will-be-backwards-compatible

I think it's the other thread that's glitched while this one is good.

Day 1 baby! Day 1!!!

This will be my first pre-ordered console!

Sorry for the messiness, I was away from my computer and VGChartz on mobile is a nightmare, the page kept glitching out or going unresponsive.

How anyone can use this site on a phone is beyond me, it's horrendous.

That's good. The two most obvious things are now confirmed for S2 - backwards compatibility and NSO. Just hope they are planning on adding GC to NSO in a couple years.

Not surprising but great to hear the official confirmation.

How will that work?a seperate slot for the mini cards? Can you have ps5 level games running on small sd cards?

Maybe something like we saw with the DS. One slot that receives different cards. 

Happy to see this rumor turned out true.

Does "being able to play switch games" translate to be able to play switch cartridges? I'm not certain that it does. the successor might just be able to play digital versions of switch games.