The successor to Nintendo Switch named Switch 2 will continue to be a hybrid console that can be played on TV and in portable mode, it will be launched without an OLED screen (it will have an LCD) and it will have cartridges/cards for physical games , according to various sources. Anonymous to VGC, where they say that the device is “likely” to hit stores in the second half of 2024. They add that there are already development studios outside the Japanese company with the development kit.
The DSi was a hardware upgrade and so was the New 3DS.
It was a PS4 Pro situation. It was still the DS family, same games etc. A Switch 2 with only updated internals would be totally different, it won’t be the same console