Nothing new, I'm afraid. All we know so far:
- SoC is still Tegra X1+/Mariko;
- RAM is still 4GB LPDDR4x;
- New display (likely OLED);
- New dock with 4K upscaling;
- New battery profile.

These have all been confirmed from reverse-engineering the Switch firmware.

— Mike Heskin (@hexkyz) May 28, 2021