TSMC's N2 node uses gate-all-around transistors, but will not be available for a few more years.
TSMC: 2nm Chips Arriving in 2026 : Read more
TSMC: 2nm Chips Arriving in 2026 : Read more
Pretty sure China will invade Taiwan by then so? who knows ya know?
I'm still hoping the Taiwan government has a deadman's switch setup for TSMC. China takes over... Kaboom! Now TSMC is only making chips at it's smaller locations around the world.